mirror of https://github.com/dahall/Vanara.git
Lots of fixes for ShellNamespaceTreeControl (#153). Still not perfect (keyboard movement could be improved), but much better.
dahall
parent
435b843080
commit
5edb3ab930
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@ -47,8 +47,8 @@
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this.shellNamespaceTreeControl1.TabIndex = 0;
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this.shellNamespaceTreeControl1.AfterExpand += new System.EventHandler<Vanara.Windows.Forms.ShellNamespaceTreeControlEventArgs>(this.shellNamespaceTreeControl1_AfterExpand);
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this.shellNamespaceTreeControl1.AfterLabelEdit += new System.EventHandler<Vanara.Windows.Forms.ShellNamespaceTreeControlItemLabelEditEventArgs>(this.shellNamespaceTreeControl1_AfterLabelEdit);
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this.shellNamespaceTreeControl1.BeforeExpand += new System.EventHandler<Vanara.Windows.Forms.ShellNamespaceTreeControlEventArgs>(this.shellNamespaceTreeControl1_BeforeExpand);
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this.shellNamespaceTreeControl1.BeforeItemDelete += new System.EventHandler<Vanara.Windows.Forms.ShellNamespaceTreeControlEventArgs>(this.shellNamespaceTreeControl1_BeforeItemDelete);
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this.shellNamespaceTreeControl1.BeforeExpand += new System.EventHandler<Vanara.Windows.Forms.ShellNamespaceTreeControlCancelEventArgs>(this.shellNamespaceTreeControl1_BeforeExpand);
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this.shellNamespaceTreeControl1.BeforeItemDelete += new System.EventHandler<Vanara.Windows.Forms.ShellNamespaceTreeControlCancelEventArgs>(this.shellNamespaceTreeControl1_BeforeItemDelete);
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this.shellNamespaceTreeControl1.BeforeLabelEdit += new System.EventHandler<Vanara.Windows.Forms.ShellNamespaceTreeControlItemLabelEditEventArgs>(this.shellNamespaceTreeControl1_BeforeLabelEdit);
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this.shellNamespaceTreeControl1.ItemMouseClick += new System.EventHandler<Vanara.Windows.Forms.ShellNamespaceTreeControlItemMouseClickEventArgs>(this.shellNamespaceTreeControl1_ItemMouseClick);
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this.shellNamespaceTreeControl1.ItemMouseDoubleClick += new System.EventHandler<Vanara.Windows.Forms.ShellNamespaceTreeControlItemMouseClickEventArgs>(this.shellNamespaceTreeControl1_ItemMouseDoubleClick);
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@ -8,6 +8,7 @@ using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using Vanara.Windows.Shell;
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using static Vanara.PInvoke.Shell32;
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namespace ExplorerBrowser
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{
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@ -20,6 +21,8 @@ namespace ExplorerBrowser
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private void ShellNamespaceTreeControlTestForm_Load(object sender, EventArgs e)
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{
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using var qaPidl = new PIDL("shell:::{679f85cb-0220-4080-b29b-5540cc05aab6}");
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shellNamespaceTreeControl1.RootItems.Add(new ShellFolder(qaPidl), false, true);
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shellNamespaceTreeControl1.RootItems.Add(ShellFolder.Desktop, true, true);
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propertyGrid1.SelectedObject = shellNamespaceTreeControl1;
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}
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@ -39,19 +42,21 @@ namespace ExplorerBrowser
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log.AppendText($"After label edit: {e.Item.Name}, {e.Label}" + Environment.NewLine);
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}
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private void shellNamespaceTreeControl1_BeforeExpand(object sender, Vanara.Windows.Forms.ShellNamespaceTreeControlEventArgs e)
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private void shellNamespaceTreeControl1_BeforeExpand(object sender, Vanara.Windows.Forms.ShellNamespaceTreeControlCancelEventArgs e)
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{
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log.AppendText($"Before expand: {e.Item.Name}, {e.Action}" + Environment.NewLine);
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}
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private void shellNamespaceTreeControl1_BeforeItemDelete(object sender, Vanara.Windows.Forms.ShellNamespaceTreeControlEventArgs e)
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private void shellNamespaceTreeControl1_BeforeItemDelete(object sender, Vanara.Windows.Forms.ShellNamespaceTreeControlCancelEventArgs e)
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{
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log.AppendText($"Before delete: {e.Item.Name}, {e.Action}" + Environment.NewLine);
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e.Cancel = MessageBox.Show(this, "Delete?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No;
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}
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private void shellNamespaceTreeControl1_BeforeLabelEdit(object sender, Vanara.Windows.Forms.ShellNamespaceTreeControlItemLabelEditEventArgs e)
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{
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log.AppendText($"Before label edit: {e.Item.Name}, {e.Label}" + Environment.NewLine);
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e.CancelEdit = true;
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}
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private void shellNamespaceTreeControl1_ItemMouseClick(object sender, Vanara.Windows.Forms.ShellNamespaceTreeControlItemMouseClickEventArgs e)
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@ -1476,7 +1476,7 @@ namespace Vanara.Windows.Forms
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// *** The implementation in Shell32 uses MSG which has proven to be slow. This passes the Message structure directly. ***
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[ComImport, Guid("68284fAA-6A48-11D0-8c78-00C04fd918b4"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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private interface IInputObject_WinForms
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internal interface IInputObject_WinForms
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{
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[PreserveSig]
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HRESULT UIActivateIO([In, MarshalAs(UnmanagedType.Bool)] bool fActivate, in Message pMsg);
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@ -2,6 +2,7 @@
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using System.Collections;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Drawing;
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using System.Linq;
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using System.Runtime.InteropServices;
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@ -11,6 +12,7 @@ using Vanara.Extensions;
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using Vanara.PInvoke;
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using Vanara.Windows.Shell;
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using static Vanara.PInvoke.Shell32;
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using static Vanara.PInvoke.User32;
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namespace Vanara.Windows.Forms
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{
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@ -148,8 +150,10 @@ namespace Vanara.Windows.Forms
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[ToolboxItem(true), ToolboxBitmap(typeof(ShellNamespaceTreeControl), "ShellNamespaceTreeControl.bmp")]
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[Description("A Shell object that displays a tree of shell items.")]
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[ComVisible(true), Guid("0639efb8-7701-472e-863d-d6fbc543d736")]
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public class ShellNamespaceTreeControl : Control, PInvoke.Shell32.IServiceProvider, INameSpaceTreeControlEvents, INameSpaceTreeControlDropHandler //, INameSpaceTreeAccessible
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public class ShellNamespaceTreeControl : Control, Shell32.IServiceProvider, INameSpaceTreeControlEvents, INameSpaceTreeControlDropHandler, IMessageFilter //, INameSpaceTreeAccessible
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{
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internal INameSpaceTreeControl pCtrl;
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private const NSTCSTYLE defaultStyle = NSTCSTYLE.NSTCS_HASEXPANDOS | NSTCSTYLE.NSTCS_ROOTHASEXPANDO | NSTCSTYLE.NSTCS_FADEINOUTEXPANDOS |
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NSTCSTYLE.NSTCS_NOINFOTIP | NSTCSTYLE.NSTCS_ALLOWJUNCTIONS | NSTCSTYLE.NSTCS_SHOWSELECTIONALWAYS | NSTCSTYLE.NSTCS_FULLROWSELECT |
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NSTCSTYLE.NSTCS_TABSTOP;
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@ -172,10 +176,10 @@ namespace Vanara.Windows.Forms
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NSTCSTYLE2.NSTCS2_DISPLAYPADDING | NSTCSTYLE2.NSTCS2_DISPLAYPINNEDONLY | NSTCSTYLE2.NTSCS2_NOSINGLETONAUTOEXPAND |
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NSTCSTYLE2.NTSCS2_NEVERINSERTNONENUMERATED;
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internal INameSpaceTreeControl pCtrl;
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private uint adviseCookie = uint.MaxValue;
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private BorderStyle borderStyle = BorderStyle.None;
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private HWND hWndNsTreeCtrl, hWndTreeView;
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private bool oleUninit = false;
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private INameSpaceTreeControl2 pCtrl2;
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private EnumFlagIndexer<NSTCSTYLE> style = defaultStyle;
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private EnumFlagIndexer<NSTCSTYLE2> style2 = defaultStyle2;
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@ -186,31 +190,36 @@ namespace Vanara.Windows.Forms
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{
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RootItems = new ShellNamespaceTreeRootList(this);
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BackColor = SystemColors.Window;
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oleUninit = Ole32.OleInitialize().Succeeded;
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}
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/// <summary>Called after an item is expanded.</summary>
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[Category("Behavior"), Description("Occurs when an item has been expanded.")]
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public event EventHandler<ShellNamespaceTreeControlEventArgs> AfterExpand;
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/// <summary>Called after the item leaves edit mode.</summary>
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[Category("Behavior"), Description("Occurs when the text of an item has been edited by the user.")]
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public event EventHandler<ShellNamespaceTreeControlItemLabelEditEventArgs> AfterLabelEdit;
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/// <summary>Called before an item is expanded.</summary>
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[Category("Behavior"), Description("Occurs when an item it about to be expanded.")]
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public event EventHandler<ShellNamespaceTreeControlEventArgs> BeforeExpand;
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/// <summary>Called before an item and all of its children are deleted.</summary>
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[Category("Behavior"), Description("Occurs when an item is about to be deleted.")]
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public event EventHandler<ShellNamespaceTreeControlEventArgs> BeforeItemDelete;
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/// <summary>Called after an item has been added.</summary>
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[Category("Behavior"), Description("Occurs when an item has been added.")]
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public event EventHandler<ShellNamespaceTreeControlEventArgs> AfterItemAdd;
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/// <summary>Called after an item and all of its children are deleted.</summary>
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[Category("Behavior"), Description("Occurs when an item has been deleted.")]
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public event EventHandler<ShellNamespaceTreeControlEventArgs> AfterItemDelete;
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/// <summary>Called after an item has been added.</summary>
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[Category("Behavior"), Description("Occurs when an item has been added.")]
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public event EventHandler<ShellNamespaceTreeControlEventArgs> AfterItemAdd;
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/// <summary>Called after the item leaves edit mode.</summary>
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[Category("Behavior"), Description("Occurs when the text of an item has been edited by the user.")]
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public event EventHandler<ShellNamespaceTreeControlItemLabelEditEventArgs> AfterLabelEdit;
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/// <summary>Occurs when the selection changes.</summary>
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[Category("Behavior"), Description("Occurs when an item has been selected.")]
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public event EventHandler AfterSelect;
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/// <summary>Called before an item is expanded.</summary>
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[Category("Behavior"), Description("Occurs when an item it about to be expanded.")]
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public event EventHandler<ShellNamespaceTreeControlCancelEventArgs> BeforeExpand;
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/// <summary>Called before an item and all of its children are deleted.</summary>
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[Category("Behavior"), Description("Occurs when an item is about to be deleted.")]
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public event EventHandler<ShellNamespaceTreeControlCancelEventArgs> BeforeItemDelete;
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/// <summary>Called before the item goes into edit mode.</summary>
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[Category("Behavior"), Description("Occurs when the text of an item is about to be edited by the user.")]
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@ -224,10 +233,6 @@ namespace Vanara.Windows.Forms
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[Category("Behavior"), Description("Occurs when an item is double-clicked with the mouse.")]
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public event EventHandler<ShellNamespaceTreeControlItemMouseClickEventArgs> ItemMouseDoubleClick;
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/// <summary>Occurs when the selection changes.</summary>
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[Category("Behavior"), Description("Occurs when an item has been selected.")]
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public event EventHandler AfterSelect;
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/// <summary>Indicates whether to insert spacing (padding) between top-level nodes.</summary>
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[DefaultValue(false), Category("Appearance"), Description("Indicates whether to insert spacing (padding) between top-level nodes.")]
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public bool AddTopLevelNodePadding
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@ -257,7 +262,7 @@ namespace Vanara.Windows.Forms
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public BorderStyle BorderStyle
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{
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get => borderStyle;
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set { if (borderStyle != value) { borderStyle = value; InitializeControl(); } }
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set { if (borderStyle != value) { borderStyle = value; /*InitializeControl();*/ } }
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}
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/// <summary>
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@ -431,6 +436,19 @@ namespace Vanara.Windows.Forms
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}
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}
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/// <summary>Indicates whether to display infotips when the mouse cursor is over an item.</summary>
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[DefaultValue(false), Category("Behavior"), Description("Indicates whether ToolTips will be displayed on the items.")]
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public bool ShowItemToolTips
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{
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get => !HasTreeStyle(NSTCSTYLE.NSTCS_NOINFOTIP);
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set
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{
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SetTreeStyle(NSTCSTYLE.NSTCS_NOINFOTIP, !value);
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if (value)
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SetTreeStyle(NSTCSTYLE.NSTCS_RICHTOOLTIP, false);
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}
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}
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/// <summary>Indicates whether the control draws lines to the left of the tree items that lead to their individual parent items.</summary>
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[DefaultValue(false), Category("Appearance"), Description("Indicates whether lines are displayed between sibling items and between parent and child items.")]
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public bool ShowLines
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@ -439,14 +457,6 @@ namespace Vanara.Windows.Forms
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set => SetTreeStyle(NSTCSTYLE.NSTCS_HASLINES, value);
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}
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/// <summary>Indicates whether to display infotips when the mouse cursor is over an item.</summary>
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[DefaultValue(false), Category("Behavior"), Description("Indicates whether ToolTips will be displayed on the items.")]
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public bool ShowItemToolTips
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{
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get => !HasTreeStyle(NSTCSTYLE.NSTCS_NOINFOTIP);
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set => SetTreeStyle(NSTCSTYLE.NSTCS_NOINFOTIP, !value);
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}
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/// <summary>
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/// If <see langword="true"/>, the control displays an indicator on the leftmost edge of those items that have child items. Clicking
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/// on the indicator expands the item to reveal the children of the item.
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@ -533,6 +543,22 @@ namespace Vanara.Windows.Forms
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set => SetTreeStyle(value ? NSTCSTYLE.NSTCS_RICHTOOLTIP | NSTCSTYLE.NSTCS_NOINFOTIP : NSTCSTYLE.NSTCS_RICHTOOLTIP, value);
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}
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/// <summary>
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/// Gets the required creation parameters when the control handle is created.
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/// </summary>
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protected override CreateParams CreateParams
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{
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get
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{
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var cp = base.CreateParams;
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if (!this.IsDesignMode())
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{
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cp.Style &= ~(int)WindowStyles.WS_VISIBLE;
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}
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return cp;
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}
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}
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/// <summary>Collapses all of the items in the tree.</summary>
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public void CollapseAll() => pCtrl.CollapseAll();
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@ -548,7 +574,7 @@ namespace Vanara.Windows.Forms
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/// <summary>Retrieves the item that a given point is in, if any.</summary>
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/// <param name="pt">The point to be tested.</param>
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/// <returns>The item in which the point exists, or <see langword="null"/> if the point does not exist in an item.</returns>
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public ShellItem HitTest(System.Drawing.Point pt)
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public ShellItem HitTest(Point pt)
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{
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pCtrl.HitTest(pt, out var psi);
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return psi is null ? null : ShellItem.Open(psi);
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@ -571,19 +597,31 @@ namespace Vanara.Windows.Forms
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/// </remarks>
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public void SetItemState(ShellItem item, ShellTreeItemState stateMask, ShellTreeItemState state) => pCtrl.SetItemState(item?.IShellItem, (NSTCITEMSTATE)stateMask, (NSTCITEMSTATE)state);
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bool IMessageFilter.PreFilterMessage(ref Message m)
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{
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if (m.Msg == (int)WindowMessage.WM_KEYDOWN || m.Msg == (int)WindowMessage.WM_KEYUP)
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Debug.WriteLine($"PreFileter msg: {(WindowMessage)m.Msg}, {(Keys)unchecked((int)(long)m.WParam)}");
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return (pCtrl as ExplorerBrowser.IInputObject_WinForms)?.TranslateAcceleratorIO(m) == HRESULT.S_OK;
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}
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HRESULT INameSpaceTreeControlEvents.OnAfterContextMenu(IShellItem psi, IContextMenu pcmIn, in Guid riid, out object ppv)
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{
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if (riid == typeof(IContextMenu).GUID)
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{
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// TODO: Call event to modify pcmIn
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// TODO: Figure out how to host ContextMenuStrip
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//if (ContextMenuStrip != null)
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//{
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// var ictxmenu = new IContextMenu();
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// ppv = ContextMenuStrip.; /* get IContextMenu from ContextMenuStrip */
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// return HRESULT.S_OK;
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//}
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ppv = pcmIn;
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return HRESULT.E_NOTIMPL; // Change if menu provided by event
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}
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else
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{
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ppv = default;
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return HRESULT.E_NOTIMPL;
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}
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return HRESULT.E_NOTIMPL;
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}
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HRESULT INameSpaceTreeControlEvents.OnAfterExpand(IShellItem psi)
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@ -608,14 +646,16 @@ namespace Vanara.Windows.Forms
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HRESULT INameSpaceTreeControlEvents.OnBeforeExpand(IShellItem psi)
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{
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BeforeExpand?.Invoke(this, new ShellNamespaceTreeControlEventArgs(psi, ShellNamespaceTreeControlAction.Expand));
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return HRESULT.S_OK;
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var args = new ShellNamespaceTreeControlCancelEventArgs(psi, false, ShellNamespaceTreeControlAction.Expand);
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try { BeforeExpand?.Invoke(this, args); } catch (Exception ex) { return HRESULT.FromException(ex); }
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return args.Cancel ? HRESULT.S_FALSE : HRESULT.S_OK;
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}
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HRESULT INameSpaceTreeControlEvents.OnBeforeItemDelete(IShellItem psi)
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{
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BeforeItemDelete?.Invoke(this, new ShellNamespaceTreeControlEventArgs(psi, ShellNamespaceTreeControlAction.BeforeDelete));
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return HRESULT.S_FALSE;
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var args = new ShellNamespaceTreeControlCancelEventArgs(psi, false, ShellNamespaceTreeControlAction.BeforeDelete);
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BeforeItemDelete?.Invoke(this, args);
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return args.Cancel ? HRESULT.S_FALSE : HRESULT.S_OK;
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}
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HRESULT INameSpaceTreeControlEvents.OnBeforeStateImageChange(IShellItem psi) => HRESULT.S_OK;
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@ -623,13 +663,53 @@ namespace Vanara.Windows.Forms
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HRESULT INameSpaceTreeControlEvents.OnBeginLabelEdit(IShellItem psi)
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{
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BeforeLabelEdit?.Invoke(this, new ShellNamespaceTreeControlItemLabelEditEventArgs(psi));
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return HRESULT.S_FALSE;
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return HRESULT.S_OK;
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}
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HRESULT INameSpaceTreeControlDropHandler.OnDragEnter(IShellItem psiOver, IShellItemArray psiaData, bool fOutsideSource, uint grfKeyState, ref uint pdwEffect)
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{
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var ido = new DataObject();
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ido.SetFileDropList(GetStringCollection(psiaData));
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var dragEvent = new DragEventArgs(ido, (int)grfKeyState, MousePosition.X, MousePosition.Y, DragDropEffects.All, (DragDropEffects)pdwEffect);
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base.OnDragEnter(dragEvent);
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pdwEffect = (uint)dragEvent.Effect;
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return HRESULT.S_OK;
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}
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HRESULT INameSpaceTreeControlDropHandler.OnDragLeave(IShellItem psiOver)
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{
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base.OnDragLeave(EventArgs.Empty);
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return HRESULT.S_OK;
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}
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HRESULT INameSpaceTreeControlDropHandler.OnDragOver(IShellItem psiOver, IShellItemArray psiaData, uint grfKeyState, ref uint pdwEffect)
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{
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var ido = new DataObject();
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ido.SetFileDropList(GetStringCollection(psiaData));
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var dragEvent = new DragEventArgs(ido, (int)grfKeyState, MousePosition.X, MousePosition.Y, DragDropEffects.All, (DragDropEffects)pdwEffect);
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base.OnDragOver(dragEvent);
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pdwEffect = (uint)dragEvent.Effect;
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return HRESULT.S_OK;
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}
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HRESULT INameSpaceTreeControlDropHandler.OnDragPosition(IShellItem psiOver, IShellItemArray psiaData, int iNewPosition, int iOldPosition) => HRESULT.E_FAIL;
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HRESULT INameSpaceTreeControlDropHandler.OnDrop(IShellItem psiOver, IShellItemArray psiaData, int iPosition, uint grfKeyState, ref uint pdwEffect)
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{
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var ido = new DataObject();
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ido.SetFileDropList(GetStringCollection(psiaData));
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var dragEvent = new DragEventArgs(ido, (int)grfKeyState, MousePosition.X, MousePosition.Y, DragDropEffects.All, (DragDropEffects)pdwEffect);
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base.OnDragDrop(dragEvent);
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pdwEffect = (uint)dragEvent.Effect;
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return HRESULT.S_OK;
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}
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HRESULT INameSpaceTreeControlDropHandler.OnDropPosition(IShellItem psiOver, IShellItemArray psiaData, int iNewPosition, int iOldPosition) => HRESULT.E_FAIL;
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HRESULT INameSpaceTreeControlEvents.OnEndLabelEdit(IShellItem psi)
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{
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AfterLabelEdit?.Invoke(this, new ShellNamespaceTreeControlItemLabelEditEventArgs(psi));
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return HRESULT.S_FALSE;
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return HRESULT.S_OK;
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}
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HRESULT INameSpaceTreeControlEvents.OnGetDefaultIconIndex(IShellItem psi, out int piDefaultIcon, out int piOpenIcon)
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@ -643,7 +723,8 @@ namespace Vanara.Windows.Forms
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HRESULT INameSpaceTreeControlEvents.OnItemAdded(IShellItem psi, bool fIsRoot)
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{
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AfterItemAdd?.Invoke(this, new ShellNamespaceTreeControlEventArgs(psi, ShellNamespaceTreeControlAction.AfterAdd));
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return HRESULT.S_FALSE;
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return HRESULT.E_NOTIMPL;
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//return HRESULT.S_OK;
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}
|
||||
|
||||
HRESULT INameSpaceTreeControlEvents.OnItemClick(IShellItem psi, NSTCEHITTEST nstceHitTest, NSTCECLICKTYPE nstceClickType)
|
||||
|
|
@ -668,13 +749,14 @@ namespace Vanara.Windows.Forms
|
|||
ItemMouseDoubleClick?.Invoke(this, args);
|
||||
else
|
||||
ItemMouseClick?.Invoke(this, args);
|
||||
return HRESULT.S_FALSE;
|
||||
return args.Handled ? HRESULT.S_OK : HRESULT.S_FALSE;
|
||||
}
|
||||
|
||||
HRESULT INameSpaceTreeControlEvents.OnItemDeleted(IShellItem psi, bool fIsRoot)
|
||||
{
|
||||
AfterItemDelete?.Invoke(this, new ShellNamespaceTreeControlEventArgs(psi, ShellNamespaceTreeControlAction.AfterDelete));
|
||||
return HRESULT.S_FALSE;
|
||||
return HRESULT.E_NOTIMPL;
|
||||
//return HRESULT.S_OK;
|
||||
}
|
||||
|
||||
HRESULT INameSpaceTreeControlEvents.OnItemStateChanged(IShellItem psi, NSTCITEMSTATE nstcisMask, NSTCITEMSTATE nstcisState) => HRESULT.S_OK;
|
||||
|
|
@ -683,10 +765,69 @@ namespace Vanara.Windows.Forms
|
|||
|
||||
HRESULT INameSpaceTreeControlEvents.OnKeyboardInput(uint uMsg, IntPtr wParam, IntPtr lParam)
|
||||
{
|
||||
System.Diagnostics.Debug.WriteLine($"Kbd msg: {(User32.WindowMessage)uMsg}");
|
||||
if (uMsg == (uint)User32.WindowMessage.WM_KEYUP)
|
||||
base.OnKeyUp(new KeyEventArgs((Keys)wParam.ToInt32()));
|
||||
return HRESULT.S_OK;
|
||||
System.Diagnostics.Debug.WriteLine($"Kbd msg: {(WindowMessage)uMsg}, {(Keys)unchecked((int)(long)wParam)}");
|
||||
//var args = new KeyEventArgs((Keys)unchecked((int)(long)wParam) | ModifierKeys);
|
||||
var hSel = SendMessage(hWndTreeView, ComCtl32.TreeViewMessage.TVM_GETNEXTITEM, ComCtl32.TreeViewActionFlag.TVGN_CARET);
|
||||
if (hSel != default && uMsg == (uint)WindowMessage.WM_KEYUP)
|
||||
{
|
||||
switch ((Keys)unchecked((int)(long)wParam))
|
||||
{
|
||||
case Keys.Down:
|
||||
//Move(IsExpanded(hSel) ? ComCtl32.TreeViewActionFlag.TVGN_CHILD : ComCtl32.TreeViewActionFlag.TVGN_NEXT);
|
||||
Move(ComCtl32.TreeViewActionFlag.TVGN_NEXTVISIBLE);
|
||||
break;
|
||||
case Keys.Up:
|
||||
//var hPrev = SendMessage(hWndTreeView, ComCtl32.TreeViewMessage.TVM_GETNEXTITEM, ComCtl32.TreeViewActionFlag.TVGN_PREVIOUS, hSel);
|
||||
//if (hPrev != default)
|
||||
//{
|
||||
// if (IsExpanded(hPrev))
|
||||
// Move(ComCtl32.TreeViewActionFlag.TVGN_PREVIOUSVISIBLE);
|
||||
// else
|
||||
// SelItem(hPrev);
|
||||
//}
|
||||
Move(ComCtl32.TreeViewActionFlag.TVGN_PREVIOUSVISIBLE);
|
||||
break;
|
||||
case Keys.Right:
|
||||
if (IsExpanded(hSel))
|
||||
Move(ComCtl32.TreeViewActionFlag.TVGN_CHILD);
|
||||
else
|
||||
SendMessage(hWndTreeView, ComCtl32.TreeViewMessage.TVM_EXPAND, ComCtl32.TreeViewExpandFlags.TVE_EXPAND, hSel);
|
||||
break;
|
||||
case Keys.Left:
|
||||
if (IsExpanded(hSel))
|
||||
SendMessage(hWndTreeView, ComCtl32.TreeViewMessage.TVM_EXPAND, ComCtl32.TreeViewExpandFlags.TVE_COLLAPSE, hSel);
|
||||
else
|
||||
Move(ComCtl32.TreeViewActionFlag.TVGN_PARENT);
|
||||
break;
|
||||
case Keys.Home:
|
||||
Move(ComCtl32.TreeViewActionFlag.TVGN_ROOT);
|
||||
break;
|
||||
case Keys.End:
|
||||
Move(ComCtl32.TreeViewActionFlag.TVGN_LASTVISIBLE);
|
||||
break;
|
||||
case Keys.Enter:
|
||||
break;
|
||||
case Keys.Space:
|
||||
break;
|
||||
}
|
||||
}
|
||||
//if (uMsg == (uint)WindowMessage.WM_KEYUP)
|
||||
// OnKeyUp(args);
|
||||
//return args.Handled ? HRESULT.S_FALSE : HRESULT.S_OK;
|
||||
return HRESULT.S_FALSE;
|
||||
|
||||
bool IsExpanded(IntPtr item) => SendMessage(hWndTreeView, (uint)ComCtl32.TreeViewMessage.TVM_GETITEMSTATE, item, (IntPtr)(int)ComCtl32.TreeViewItemStates.TVIS_EXPANDED) == (IntPtr)(int)ComCtl32.TreeViewItemStates.TVIS_EXPANDED;
|
||||
|
||||
void Move(ComCtl32.TreeViewActionFlag dir)
|
||||
{
|
||||
SelItem(SendMessage(hWndTreeView, ComCtl32.TreeViewMessage.TVM_GETNEXTITEM, dir, hSel));
|
||||
}
|
||||
|
||||
void SelItem(IntPtr hNext)
|
||||
{
|
||||
if (hNext != default)
|
||||
SendMessage(hWndTreeView, ComCtl32.TreeViewMessage.TVM_SELECTITEM, ComCtl32.TreeViewActionFlag.TVGN_CARET, hNext);
|
||||
}
|
||||
}
|
||||
|
||||
HRESULT INameSpaceTreeControlEvents.OnPropertyItemCommit(IShellItem psi) => HRESULT.S_FALSE;
|
||||
|
|
@ -699,6 +840,11 @@ namespace Vanara.Windows.Forms
|
|||
|
||||
HRESULT Shell32.IServiceProvider.QueryService(in Guid guidService, in Guid riid, out object ppvObject)
|
||||
{
|
||||
if (riid == typeof(INameSpaceTreeControlDropHandler).GUID || riid == typeof(INameSpaceTreeControlEvents).GUID)
|
||||
{
|
||||
ppvObject = this;
|
||||
return HRESULT.S_OK;
|
||||
}
|
||||
ppvObject = default;
|
||||
return HRESULT.E_NOINTERFACE;
|
||||
}
|
||||
|
|
@ -707,24 +853,65 @@ namespace Vanara.Windows.Forms
|
|||
/// <param name="disposing">
|
||||
/// <see langword="true"/> to release both managed and unmanaged resources; <see langword="false"/> to release only unmanaged resources.
|
||||
/// </param>
|
||||
protected override void Dispose(bool disposing) => base.Dispose(disposing);
|
||||
protected override void Dispose(bool disposing)
|
||||
{
|
||||
base.Dispose(disposing);
|
||||
if (oleUninit) Ole32.OleUninitialize();
|
||||
}
|
||||
|
||||
/// <summary>Called when [create control].</summary>
|
||||
/// <summary>Raises the <see cref="AfterSelect"/> event.</summary>
|
||||
protected virtual void OnAfterSelect() => AfterSelect?.Invoke(this, EventArgs.Empty);
|
||||
|
||||
/// <summary>Raises the <see cref="M:System.Windows.Forms.Control.CreateControl"/> method.</summary>
|
||||
protected override void OnCreateControl()
|
||||
{
|
||||
base.OnCreateControl();
|
||||
if (this.IsDesignMode()) return;
|
||||
|
||||
// Grab interfaces
|
||||
pCtrl = new INameSpaceTreeControl();
|
||||
pCtrl2 = pCtrl as INameSpaceTreeControl2;
|
||||
|
||||
pCtrl.TreeAdvise(this, out adviseCookie);
|
||||
SetSite(this);
|
||||
// Initialize and capture child window handles
|
||||
var rect = BorderStyle == BorderStyle.None ? Bounds : Rectangle.Inflate(Bounds, -1, -1);
|
||||
pCtrl.Initialize(Parent.Handle, rect, style).ThrowIfFailed();
|
||||
var sb = new StringBuilder(512);
|
||||
var srect = (RECT)RectangleToScreen(rect);
|
||||
hWndNsTreeCtrl = User32.EnumChildWindows(Parent.Handle).First(h => IsClass(h, "NamespaceTreeControl"));
|
||||
hWndTreeView = hWndNsTreeCtrl.EnumChildWindows().First(h => IsClass(h, "SysTreeView32"));
|
||||
|
||||
InitializeControl();
|
||||
// Remove default roots and update style
|
||||
pCtrl.RemoveAllRoots();
|
||||
UpdateStyle();
|
||||
|
||||
pCtrl.RemoveAllRoots();
|
||||
// Setup event handler and sink
|
||||
pCtrl.TreeAdvise(this, out adviseCookie).ThrowIfFailed();
|
||||
SetSite(this);
|
||||
Application.AddMessageFilter(this);
|
||||
|
||||
bool IsClass(HWND hWnd, string className) =>
|
||||
GetClassName(hWnd, sb, sb.Capacity) > 0 && sb.ToString() == className && GetWindowRect(hWnd, out var r) && r == srect;
|
||||
}
|
||||
|
||||
/// <summary>Raises the <see cref="E:System.Windows.Forms.Control.GotFocus"/> event.</summary>
|
||||
/// <param name="e">An <see cref="T:System.EventArgs"/> that contains the event data.</param>
|
||||
protected override void OnGotFocus(EventArgs e)
|
||||
{
|
||||
base.OnGotFocus(e);
|
||||
if (!hWndTreeView.IsNull)
|
||||
SetFocus(hWndTreeView);
|
||||
}
|
||||
|
||||
protected override void OnKeyDown(KeyEventArgs e)
|
||||
{
|
||||
System.Diagnostics.Debug.WriteLine($"Base KeyDown: {e.KeyCode}");
|
||||
base.OnKeyDown(e);
|
||||
}
|
||||
|
||||
protected override void OnKeyUp(KeyEventArgs e)
|
||||
{
|
||||
System.Diagnostics.Debug.WriteLine($"Base KeyUp: {e.KeyCode}");
|
||||
base.OnKeyUp(e);
|
||||
}
|
||||
|
||||
/// <summary>Raises the <see cref="E:HandleDestroyed"/> event.</summary>
|
||||
|
|
@ -733,8 +920,9 @@ namespace Vanara.Windows.Forms
|
|||
{
|
||||
if (pCtrl != null)
|
||||
{
|
||||
if (adviseCookie > 0)
|
||||
pCtrl.TreeUnadvise(adviseCookie);
|
||||
SetSite(null);
|
||||
pCtrl.TreeUnadvise(adviseCookie);
|
||||
Marshal.ReleaseComObject(pCtrl);
|
||||
pCtrl = null;
|
||||
}
|
||||
|
|
@ -747,11 +935,8 @@ namespace Vanara.Windows.Forms
|
|||
base.OnHandleDestroyed(e);
|
||||
}
|
||||
|
||||
/// <summary>Raises the <see cref="AfterSelect"/> event.</summary>
|
||||
protected virtual void OnAfterSelect() => AfterSelect?.Invoke(this, EventArgs.Empty);
|
||||
|
||||
/// <summary>Raises the <see cref="E:Paint" /> event.</summary>
|
||||
/// <param name="e">The <see cref="System.Windows.Forms.PaintEventArgs" /> instance containing the event data.</param>
|
||||
/// <summary>Raises the <see cref="E:Paint"/> event.</summary>
|
||||
/// <param name="e">The <see cref="PaintEventArgs"/> instance containing the event data.</param>
|
||||
protected override void OnPaint(PaintEventArgs e)
|
||||
{
|
||||
base.OnPaint(e);
|
||||
|
|
@ -764,7 +949,7 @@ namespace Vanara.Windows.Forms
|
|||
protected override void OnSizeChanged(EventArgs e)
|
||||
{
|
||||
base.OnSizeChanged(e);
|
||||
InitializeControl();
|
||||
SetWindowPos(hWndNsTreeCtrl, HWND.NULL, Left, Top, Width, Height, SetWindowPosFlags.SWP_NOACTIVATE | SetWindowPosFlags.SWP_NOOWNERZORDER | SetWindowPosFlags.SWP_NOZORDER);
|
||||
}
|
||||
|
||||
/// <summary>Enables a container to pass an object a pointer to the interface for its site.</summary>
|
||||
|
|
@ -772,7 +957,15 @@ namespace Vanara.Windows.Forms
|
|||
/// A pointer to the <c>IServiceProvider</c> interface pointer of the site managing this object. If <see langword="null"/>, the
|
||||
/// object should call Release on any existing site at which point the object no longer knows its site.
|
||||
/// </param>
|
||||
protected virtual void SetSite(PInvoke.Shell32.IServiceProvider sp) => (pCtrl as IObjectWithSite)?.SetSite(sp);
|
||||
protected virtual void SetSite(Shell32.IServiceProvider sp) => (pCtrl as IObjectWithSite)?.SetSite(sp);
|
||||
|
||||
private static System.Collections.Specialized.StringCollection GetStringCollection(IShellItemArray psiaData)
|
||||
{
|
||||
using var shiArray = new ShellItemArray(psiaData);
|
||||
var fileList = new System.Collections.Specialized.StringCollection();
|
||||
fileList.AddRange(shiArray.Select(shi => shi.ParsingName).ToArray());
|
||||
return fileList;
|
||||
}
|
||||
|
||||
private IEnumerable<IShellItem> EnumChildren(IShellItem psi)
|
||||
{
|
||||
|
|
@ -808,13 +1001,6 @@ namespace Vanara.Windows.Forms
|
|||
|
||||
private bool HasTreeStyle(NSTCSTYLE2 style) => style2[style];
|
||||
|
||||
private void InitializeControl()
|
||||
{
|
||||
if (pCtrl is null) return;
|
||||
var wh = BorderStyle == BorderStyle.None ? 0 : -1;
|
||||
pCtrl.Initialize(Handle, Rectangle.Inflate(Bounds, wh, wh), style);
|
||||
}
|
||||
|
||||
private bool SetTreeStyle(NSTCSTYLE style, bool value)
|
||||
{
|
||||
if (HasTreeStyle(style) == value) return false;
|
||||
|
|
@ -839,17 +1025,15 @@ namespace Vanara.Windows.Forms
|
|||
pCtrl2?.SetControlStyle2(NSTCSTYLE2_ALL, style2);
|
||||
|
||||
// Get the current root items and states of visible items
|
||||
using var iArray = RootItems.GetItemArray();
|
||||
var roots = new List<(ShellItem, NSTCITEMSTATE, int, bool)>(iArray.Select(i => (i, GetState(i.IShellItem), pCtrl.GetItemCustomState(i.IShellItem, out var num).Succeeded ? num : 0, RootItems.onlyShowChildren[i])));
|
||||
var states = EnumVisibleItems().Select(i => (i, GetState(i))).Where(t => t.Item2 != NSTCITEMSTATE.NSTCIS_NONE).ToList();
|
||||
|
||||
// Reset the list (required to refresh)
|
||||
RootItems.Clear();
|
||||
RootItems.SyncWithParent();
|
||||
|
||||
// Add back all roots and their states
|
||||
foreach (var (i, state, num, childOnly) in roots)
|
||||
foreach (var (i, state, num, childOnly) in RootItems.Select(i => (i, GetState(i.IShellItem), pCtrl.GetItemCustomState(i.IShellItem, out var num).Succeeded ? num : 0, RootItems.onlyShowChildren[i])))
|
||||
{
|
||||
RootItems.Add(i, childOnly, state.IsFlagSet(NSTCITEMSTATE.NSTCIS_EXPANDED));
|
||||
//RootItems.Add(i, childOnly, state.IsFlagSet(NSTCITEMSTATE.NSTCIS_EXPANDED));
|
||||
if (state != NSTCITEMSTATE.NSTCIS_NONE)
|
||||
pCtrl.SetItemState(i.IShellItem, NSTCITEMSTATE_ALL, state);
|
||||
if (num != 0)
|
||||
|
|
@ -863,61 +1047,39 @@ namespace Vanara.Windows.Forms
|
|||
NSTCITEMSTATE GetState(IShellItem shi) => pCtrl.GetItemState(shi, NSTCITEMSTATE_ALL, out var state).Succeeded ? state : 0;
|
||||
}
|
||||
|
||||
HRESULT INameSpaceTreeControlDropHandler.OnDragEnter(IShellItem psiOver, IShellItemArray psiaData, bool fOutsideSource, uint grfKeyState, ref uint pdwEffect)
|
||||
{
|
||||
var ido = new DataObject();
|
||||
ido.SetFileDropList(GetStringCollection(psiaData));
|
||||
var dragEvent = new DragEventArgs(ido, (int)grfKeyState, MousePosition.X, MousePosition.Y, DragDropEffects.All, (DragDropEffects)pdwEffect);
|
||||
base.OnDragEnter(dragEvent);
|
||||
pdwEffect = (uint)dragEvent.Effect;
|
||||
return HRESULT.S_OK;
|
||||
}
|
||||
|
||||
private static System.Collections.Specialized.StringCollection GetStringCollection(IShellItemArray psiaData)
|
||||
{
|
||||
using var shiArray = new ShellItemArray(psiaData);
|
||||
var fileList = new System.Collections.Specialized.StringCollection();
|
||||
fileList.AddRange(shiArray.Select(shi => shi.ParsingName).ToArray());
|
||||
return fileList;
|
||||
}
|
||||
|
||||
HRESULT INameSpaceTreeControlDropHandler.OnDragOver(IShellItem psiOver, IShellItemArray psiaData, uint grfKeyState, ref uint pdwEffect)
|
||||
{
|
||||
var ido = new DataObject();
|
||||
ido.SetFileDropList(GetStringCollection(psiaData));
|
||||
var dragEvent = new DragEventArgs(ido, (int)grfKeyState, MousePosition.X, MousePosition.Y, DragDropEffects.All, (DragDropEffects)pdwEffect);
|
||||
base.OnDragOver(dragEvent);
|
||||
pdwEffect = (uint)dragEvent.Effect;
|
||||
return HRESULT.S_OK;
|
||||
}
|
||||
|
||||
HRESULT INameSpaceTreeControlDropHandler.OnDragPosition(IShellItem psiOver, IShellItemArray psiaData, int iNewPosition, int iOldPosition) => HRESULT.E_FAIL;
|
||||
|
||||
HRESULT INameSpaceTreeControlDropHandler.OnDrop(IShellItem psiOver, IShellItemArray psiaData, int iPosition, uint grfKeyState, ref uint pdwEffect)
|
||||
{
|
||||
var ido = new DataObject();
|
||||
ido.SetFileDropList(GetStringCollection(psiaData));
|
||||
var dragEvent = new DragEventArgs(ido, (int)grfKeyState, MousePosition.X, MousePosition.Y, DragDropEffects.All, (DragDropEffects)pdwEffect);
|
||||
base.OnDragDrop(dragEvent);
|
||||
pdwEffect = (uint)dragEvent.Effect;
|
||||
return HRESULT.S_OK;
|
||||
}
|
||||
|
||||
HRESULT INameSpaceTreeControlDropHandler.OnDropPosition(IShellItem psiOver, IShellItemArray psiaData, int iNewPosition, int iOldPosition) => HRESULT.E_FAIL;
|
||||
|
||||
HRESULT INameSpaceTreeControlDropHandler.OnDragLeave(IShellItem psiOver)
|
||||
{
|
||||
base.OnDragLeave(EventArgs.Empty);
|
||||
return HRESULT.S_OK;
|
||||
}
|
||||
|
||||
//HRESULT INameSpaceTreeAccessible.OnGetDefaultAccessibilityAction(IShellItem psi, out string pbstrDefaultAction) => throw new NotImplementedException();
|
||||
//HRESULT INameSpaceTreeAccessible.OnDoDefaultAccessibilityAction(IShellItem psi) => throw new NotImplementedException();
|
||||
//HRESULT INameSpaceTreeAccessible.OnGetAccessibilityRole(IShellItem psi, out object pvarRole) => throw new NotImplementedException();
|
||||
}
|
||||
|
||||
/// <summary>Provides data for the BeforeExpand, and BeforeSelect events of a <see cref="ShellNamespaceTreeControl"/> control.</summary>
|
||||
/// <seealso cref="CancelEventArgs"/>
|
||||
public class ShellNamespaceTreeControlCancelEventArgs : CancelEventArgs
|
||||
{
|
||||
/// <summary>Initializes a new instance of the <see cref="ShellNamespaceTreeControlEventArgs"/> class.</summary>
|
||||
/// <param name="shellItem">The shell item instance.</param>
|
||||
/// <param name="cancel"><see langword="true"/> to cancel the event; otherwise, <see langword="false"/>.</param>
|
||||
/// <param name="action">The action performed.</param>
|
||||
public ShellNamespaceTreeControlCancelEventArgs(ShellItem shellItem, bool cancel, ShellNamespaceTreeControlAction action) : base(cancel)
|
||||
{
|
||||
Item = shellItem;
|
||||
Action = action;
|
||||
}
|
||||
|
||||
internal ShellNamespaceTreeControlCancelEventArgs(IShellItem psi, bool cancel, ShellNamespaceTreeControlAction action) :
|
||||
this(psi is null ? null : ShellItem.Open(psi), cancel, action)
|
||||
{
|
||||
}
|
||||
|
||||
/// <summary>The action associated with this event.</summary>
|
||||
public ShellNamespaceTreeControlAction Action { get; }
|
||||
|
||||
/// <summary>The shell item associated with this event.</summary>
|
||||
public ShellItem Item { get; }
|
||||
}
|
||||
|
||||
/// <summary>Event arguments for actions against <see cref="ShellNamespaceTreeControl"/>.</summary>
|
||||
/// <seealso cref="System.EventArgs"/>
|
||||
/// <seealso cref="EventArgs"/>
|
||||
public class ShellNamespaceTreeControlEventArgs : EventArgs
|
||||
{
|
||||
/// <summary>Initializes a new instance of the <see cref="ShellNamespaceTreeControlEventArgs"/> class.</summary>
|
||||
|
|
@ -943,7 +1105,7 @@ namespace Vanara.Windows.Forms
|
|||
}
|
||||
|
||||
/// <summary>Arguments for item label edit events in a <see cref="ShellNamespaceTreeControl"/>.</summary>
|
||||
/// <seealso cref="System.EventArgs"/>
|
||||
/// <seealso cref="EventArgs"/>
|
||||
public class ShellNamespaceTreeControlItemLabelEditEventArgs : EventArgs
|
||||
{
|
||||
/// <summary>Initializes a new instance of the <see cref="ShellNamespaceTreeControlItemLabelEditEventArgs"/> class.</summary>
|
||||
|
|
@ -963,7 +1125,7 @@ namespace Vanara.Windows.Forms
|
|||
}
|
||||
|
||||
/// <summary>Arguments for mouse click events in a <see cref="ShellNamespaceTreeControl"/>.</summary>
|
||||
public class ShellNamespaceTreeControlItemMouseClickEventArgs : MouseEventArgs
|
||||
public class ShellNamespaceTreeControlItemMouseClickEventArgs : HandledMouseEventArgs
|
||||
{
|
||||
internal ShellNamespaceTreeControlItemMouseClickEventArgs(IShellItem item, MouseButtons button, NSTCEHITTEST ht)
|
||||
: base(button, 1, 0, 0, 0)
|
||||
|
|
@ -987,7 +1149,7 @@ namespace Vanara.Windows.Forms
|
|||
internal ShellNamespaceTreeRootList(ShellNamespaceTreeControl parent) => Parent = parent;
|
||||
|
||||
/// <summary>Gets the number of elements contained in the <see cref="ICollection{ShellItem}"/>.</summary>
|
||||
public int Count => GetItemArray().Count;
|
||||
public int Count => onlyShowChildren.Count;
|
||||
|
||||
/// <summary>Gets a value indicating whether this instance is read only.</summary>
|
||||
/// <value><see langword="true"/> if this instance is read only; otherwise, <see langword="false"/>.</value>
|
||||
|
|
@ -1041,16 +1203,16 @@ namespace Vanara.Windows.Forms
|
|||
/// cref="ICollection{ShellItem}"/>. The <see cref="Array"/> must have zero-based indexing.
|
||||
/// </param>
|
||||
/// <param name="arrayIndex">The zero-based index in <paramref name="array"/> at which copying begins.</param>
|
||||
public void CopyTo(ShellItem[] array, int arrayIndex) => GetItemArray().CopyTo(array, arrayIndex);
|
||||
public void CopyTo(ShellItem[] array, int arrayIndex) => onlyShowChildren.Keys.CopyTo(array, arrayIndex);
|
||||
|
||||
/// <summary>Returns an enumerator that iterates through the collection.</summary>
|
||||
/// <returns>A <see cref="IEnumerator{ShellItem}"/> that can be used to iterate through the collection.</returns>
|
||||
public IEnumerator<ShellItem> GetEnumerator() => GetItemArray().GetEnumerator();
|
||||
public IEnumerator<ShellItem> GetEnumerator() => onlyShowChildren.Keys.GetEnumerator();
|
||||
|
||||
/// <summary>Searches for the specified object and returns the zero-based index of the first occurrence within the entire list.</summary>
|
||||
/// <param name="item">The object to locate in the list. The value can be <see langword="null"/> for reference types.</param>
|
||||
/// <returns>The zero-based index of the first occurrence of item within the entire list, if found; otherwise, -1.</returns>
|
||||
public int IndexOf(ShellItem item) => GetItemArray().ToList().FindIndex(i => i.Equals(item));
|
||||
public int IndexOf(ShellItem item) => onlyShowChildren.Keys.ToList().FindIndex(i => i.Equals(item));
|
||||
|
||||
/// <summary>Inserts a Shell item to the list of roots in a tree.</summary>
|
||||
/// <param name="index">The index at which to insert the root.</param>
|
||||
|
|
@ -1076,6 +1238,17 @@ namespace Vanara.Windows.Forms
|
|||
return Parent.pCtrl.RemoveRoot(item.IShellItem).Succeeded;
|
||||
}
|
||||
|
||||
internal void SyncWithParent()
|
||||
{
|
||||
if (Parent.pCtrl is null) return;
|
||||
Parent.pCtrl.RemoveAllRoots();
|
||||
foreach (var kv in onlyShowChildren)
|
||||
{
|
||||
Parent.pCtrl.AppendRoot(kv.Key.IShellItem, kv.Key.IsFolder ? SHCONTF.SHCONTF_FOLDERS : SHCONTF.SHCONTF_NONFOLDERS,
|
||||
kv.Value ? NSTCROOTSTYLE.NSTCRS_HIDDEN : NSTCROOTSTYLE.NSTCRS_VISIBLE);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>Adds an object to the end of the list.</summary>
|
||||
/// <param name="item">The object to be added to the end of the list. The value can be <see langword="null"/> for reference types.</param>
|
||||
void ICollection<ShellItem>.Add(ShellItem item) => Add(item, false, false);
|
||||
|
|
@ -1083,7 +1256,7 @@ namespace Vanara.Windows.Forms
|
|||
/// <summary>Determines whether an element is in the list.</summary>
|
||||
/// <param name="item">The object to locate in the list. The value can be <see langword="null"/> for reference types.</param>
|
||||
/// <returns><see langword="true"/> if item is found in the list; otherwise, <see langword="false"/>.</returns>
|
||||
bool ICollection<ShellItem>.Contains(ShellItem item) => GetItemArray().Contains(item);
|
||||
bool ICollection<ShellItem>.Contains(ShellItem item) => onlyShowChildren.ContainsKey(item);
|
||||
|
||||
/// <summary>Returns an enumerator that iterates through the list.</summary>
|
||||
/// <returns>An <see cref="IEnumerator"/> for the list.</returns>
|
||||
|
|
@ -1098,8 +1271,7 @@ namespace Vanara.Windows.Forms
|
|||
/// <param name="index">The zero-based index of the element to remove.</param>
|
||||
void IList<ShellItem>.RemoveAt(int index)
|
||||
{
|
||||
using var a = GetItemArray();
|
||||
Remove(a[index]);
|
||||
Remove(this[index]);
|
||||
}
|
||||
|
||||
internal ShellItemArray GetItemArray() => Parent.pCtrl.GetRootItems(out var pItems).Succeeded ? new ShellItemArray(pItems) : new ShellItemArray();
|
||||
|
|
|
|||
|
|
@ -14,7 +14,13 @@ namespace Vanara.Windows.Forms.Design
|
|||
|
||||
public override SelectionRules SelectionRules => SelectionRules.Visible | SelectionRules.AllSizeable | SelectionRules.Moveable;
|
||||
|
||||
protected override IEnumerable<string> PropertiesToRemove { get; } = new[] { nameof(ShellNamespaceTreeControl.BackColor),
|
||||
protected override IEnumerable<string> EventsToRemove => new[] { nameof(ShellNamespaceTreeControl.BackColorChanged),
|
||||
nameof(ShellNamespaceTreeControl.BackgroundImageChanged), nameof(ShellNamespaceTreeControl.BackgroundImageLayoutChanged),
|
||||
nameof(ShellNamespaceTreeControl.CausesValidationChanged), nameof(ShellNamespaceTreeControl.ContextMenuStripChanged),
|
||||
nameof(ShellNamespaceTreeControl.CursorChanged), nameof(ShellNamespaceTreeControl.FontChanged), nameof(ShellNamespaceTreeControl.ForeColorChanged),
|
||||
nameof(ShellNamespaceTreeControl.PaddingChanged), nameof(ShellNamespaceTreeControl.RightToLeftChanged), nameof(ShellNamespaceTreeControl.TextChanged) };
|
||||
|
||||
protected override IEnumerable<string> PropertiesToRemove => new[] { nameof(ShellNamespaceTreeControl.BackColor),
|
||||
nameof(ShellNamespaceTreeControl.BackgroundImage), nameof(ShellNamespaceTreeControl.BackgroundImageLayout),
|
||||
nameof(ShellNamespaceTreeControl.CausesValidation), nameof(ShellNamespaceTreeControl.ContextMenuStrip),
|
||||
nameof(ShellNamespaceTreeControl.Cursor), nameof(ShellNamespaceTreeControl.Font), nameof(ShellNamespaceTreeControl.ForeColor),
|
||||
|
|
|
|||
Loading…
Reference in New Issue