sean-m
/
Vanara
mirror of https://github.com/dahall/Vanara.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Derived from ShellCommand and now call CancelTimeout after DragDrop event fires.

pull/38/head
David Hall 2019-02-01 11:43:05 -07:00
parent f5c7ecf216
commit 6c083b511f
1 changed files with 6 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
Windows.Shell/ShellDropTarget.cs
View File

@ -20,9 +20,9 @@ namespace Vanara.Windows.Shell
/// <item>Create a .NET application project.</item> /// <item>Create a .NET application project.</item>
/// <item>Delete the Program.cs file that includes the Main method.</item> /// <item>Delete the Program.cs file that includes the Main method.</item>
/// <item>Create a new class and derive it from <see cref="ShellDropTarget"/> with the attributes in the example below.</item> /// <item>Create a new class and derive it from <see cref="ShellDropTarget"/> with the attributes in the example below.</item>
/// <item>Ensure the project is built as "X86".</item>
/// </list> /// </list>
/// <para><b>Example:</b></para> /// <code title="Example" lang="cs">[Guid("&lt;Your GUID here&gt;"), ClassInterface(ClassInterfaceType.None)]
/// <code title="Example">[Guid("&lt;Your GUID here&gt;"), ClassInterface(ClassInterfaceType.None)]
///public class MyDropTarget : ShellDropTarget ///public class MyDropTarget : ShellDropTarget
///{ ///{
/// // In your constructor, be sure to override the DragEnter and DragDrop events and set the effect you desire. /// // In your constructor, be sure to override the DragEnter and DragDrop events and set the effect you desire.
@ -77,14 +77,14 @@ namespace Vanara.Windows.Shell
/// new MyDropTarget().Run(TimeSpan.FromSeconds(30)); /// new MyDropTarget().Run(TimeSpan.FromSeconds(30));
/// break; /// break;
/// ///
/// // Unregister this out-of-proc server from handling the DropTarget. This can be ommitted if done by an installer. /// // Unregister this out-of-proc server from handling the DropTarget. This can be omitted if done by an installer.
/// case "unregister": /// case "unregister":
/// using (var progid = new ProgId(progID, false)) /// using (var progid = new ProgId(progID, false))
/// progid.Verbs.Remove(verbName); /// progid.Verbs.Remove(verbName);
/// ShellRegistrar.UnregisterLocalServer&lt;MyDropTarget&gt;(false); /// ShellRegistrar.UnregisterLocalServer&lt;MyDropTarget&gt;(false);
/// break; /// break;
/// ///
/// // Register this out-of-proc server to handle the DropTarget. This can be ommitted if done by an installer. /// // Register this out-of-proc server to handle the DropTarget. This can be omitted if done by an installer.
/// default: /// default:
/// ShellRegistrar.RegisterLocalServer&lt;MyDropTarget&gt;("MyTestDropTarget", systemWide: false); /// ShellRegistrar.RegisterLocalServer&lt;MyDropTarget&gt;("MyTestDropTarget", systemWide: false);
/// using (var progid = new ProgId(progID, false)) /// using (var progid = new ProgId(progID, false))
@ -99,7 +99,7 @@ namespace Vanara.Windows.Shell
///}</code></remarks> ///}</code></remarks>
/// <seealso cref="Vanara.Windows.Shell.ComObject"/> /// <seealso cref="Vanara.Windows.Shell.ComObject"/>
/// <seealso cref="Vanara.PInvoke.Ole32.IDropTarget"/> /// <seealso cref="Vanara.PInvoke.Ole32.IDropTarget"/>
public abstract class ShellDropTarget : ComObject, IDropTarget, IInitializeCommand public abstract class ShellDropTarget : ShellCommand, IDropTarget, IInitializeCommand
{ {
private DataObject lastDataObject; private DataObject lastDataObject;
private DROPEFFECT lastEffect = DROPEFFECT.DROPEFFECT_NONE; private DROPEFFECT lastEffect = DROPEFFECT.DROPEFFECT_NONE;
@ -127,20 +127,6 @@ namespace Vanara.Windows.Shell
/// </summary> /// </summary>
public event DragEventHandler DragOver; public event DragEventHandler DragOver;
/// <summary>Gets the name of the command returned by <c>IInitializeCommand.Initialize</c>.</summary>
/// <value>
/// The name of the command as found in the registry. This value is <see langword="null"/> until <c>IInitializeCommand.Initialize</c>
/// is called by the host.
/// </value>
public string CommandName { get; private set; }
/// <summary>Gets the properties exposed through <c>IInitializeCommand.Initialize</c>.</summary>
/// <value>
/// Gets a <see cref="PropertyBag"/> instance. This value is <see langword="null"/> until <c>IInitializeCommand.Initialize</c> is
/// called by the host.
/// </value>
public PropertyBag Properties { get; private set; }
/// <inheritdoc/> /// <inheritdoc/>
HRESULT IDropTarget.DragEnter(IDataObject pDataObj, uint grfKeyState, Point pt, ref DROPEFFECT pdwEffect) HRESULT IDropTarget.DragEnter(IDataObject pDataObj, uint grfKeyState, Point pt, ref DROPEFFECT pdwEffect)
{ {
@ -177,14 +163,7 @@ namespace Vanara.Windows.Shell
var drgevent = CreateDragEventArgs(pDataObj, grfKeyState, pt, pdwEffect); var drgevent = CreateDragEventArgs(pDataObj, grfKeyState, pt, pdwEffect);
DragDrop?.Invoke(this, drgevent); DragDrop?.Invoke(this, drgevent);
pdwEffect = (DROPEFFECT)drgevent.Effect; pdwEffect = (DROPEFFECT)drgevent.Effect;
return HRESULT.S_OK; CancelTimeout();
}
/// <inheritdoc/>
HRESULT IInitializeCommand.Initialize(string pszCommandName, IPropertyBag ppb)
{
CommandName = pszCommandName;
Properties = new PropertyBag(ppb);
return HRESULT.S_OK; return HRESULT.S_OK;
} }