mirror of https://github.com/dahall/Vanara.git
92 lines
2.7 KiB
C#
92 lines
2.7 KiB
C#
using System.Collections.Generic;
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using System.Data;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using Vanara.PInvoke;
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using Vanara.Windows.Shell;
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namespace Windows.Forms.App;
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public partial class Form1 : Form
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{
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private const string appId = "Windows.Forms.App";
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private const bool systemWide = false;
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private static readonly string[] extensions = new[] { ".dmy" };
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private object? currentDlg;
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private readonly List<string> tempFiles = new();
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public Form1()
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{
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InitializeComponent();
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FillComboWithDialogs(dlgCombo);
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shellItemChangeWatcher1.Item = new ShellFolder(Shell32.KNOWNFOLDERID.FOLDERID_RecycleBinFolder);
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shellItemChangeWatcher1.EnableRaisingEvents = true;
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}
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private void ShellItemChangeWatcher1_Changed(object sender, Vanara.Windows.Shell.ShellItemChangeWatcher.ShellItemChangeEventArgs e)
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{
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foreach (var i in e.ChangedItems)
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logDisplay.AppendText($"{e.ChangeType}={i.Name}{Environment.NewLine}");
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}
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protected override void OnHandleDestroyed(EventArgs e)
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{
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shellItemChangeWatcher1.EnableRaisingEvents = false;
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base.OnHandleDestroyed(e);
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}
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private static void FillComboWithDialogs(ComboBox cb) => cb.Items.AddRange(Assembly.GetAssembly(typeof(Vanara.Windows.Forms.AccessControlEditorDialog))!.GetTypes().Where(t => t.IsPublic && !t.IsNested && typeof(CommonDialog).IsAssignableFrom(t) || typeof(Form).IsAssignableFrom(t)).ToArray());
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private void button1_Click(object sender, EventArgs e)
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{
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if (currentDlg is null) return;
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try
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{
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if (currentDlg is CommonDialog c)
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c.ShowDialog();
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else if (currentDlg is Form f)
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f.ShowDialog();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.ToString(), null, MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void dlgCombo_SelectedIndexChanged(object sender, EventArgs e)
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{
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currentDlg = dlgCombo.SelectedItem is null ? null : Activator.CreateInstance((Type)dlgCombo.SelectedItem);
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propertyGrid1.SelectedObject = currentDlg;
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}
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private void Form1_FormClosing(object sender, FormClosingEventArgs e)
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{
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// Remove temp files
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foreach (var n in tempFiles)
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File.Delete(n);
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// Unregister app
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try { ProgId.Unregister(appId, true, systemWide); } catch { }
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}
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private void Form1_Load(object sender, EventArgs e)
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{
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// Register app
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using (var progId = ProgId.Register(appId, Text, systemWide))
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{
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progId.Verbs.Add("open", "Open", $"{Application.ExecutablePath} %1", true);
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foreach (var ext in extensions)
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progId.FileTypeAssociations.Add(ext);
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}
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// Create temp files
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var tempCount = 4;
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for (var i = 0; i < tempCount; i++)
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{
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var nfn = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), $"____File{i:D4}{extensions[0]}");
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File.WriteAllText(nfn, "dummy");
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tempFiles.Add(nfn);
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}
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}
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} |