mainform.cs

USB device eject 的源文件

// UsbEject version 1.0 March 2006
// written by Simon Mourier <email: simon [underscore] mourier [at] hotmail [dot] com>

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Resources;
using System.Reflection;
using System.Windows.Forms;
using System.Data;
using UsbEject.Library;

namespace UsbEject
{
	public class MainForm: System.Windows.Forms.Form
    {
        private SplitContainer splitContainer1;
        private TreeView treeViewDisks;
        private PropertyGrid propertyGridDevice;
        private MenuStrip mainMenuStrip;
        private ToolStripMenuItem fileToolStripMenuItem;
        private ToolStripMenuItem exitToolStripMenuItem;
        private ToolStripMenuItem viewToolStripMenuItem;
        private ToolStripMenuItem helpToolStripMenuItem;
        private ContextMenuStrip contextMenuStrip;
        private ToolStripMenuItem aToolStripMenuItem;
        private ToolStripMenuItem refreshToolStripMenuItem;
        private ToolStripMenuItem usbOnlyToolStripMenuItem;
        private ToolStripSeparator toolStripSeparator1;
        private IContainer components;
        private ToolStripMenuItem ejectToolStripMenuItem;
        private bool _loading;

		private enum IconIndex
		{
			Volume = 0,
			MyComputer = 1,
			Box = 2,
			Disk = 3,
			Eject = 4
		}

		public MainForm()
		{
			InitializeComponent();

			// load icons from resource
			ResourceManager resourceManager = new ResourceManager("UsbEject.Icons", GetType().Module.Assembly);
			treeViewDisks.ImageList = new ImageList();
			treeViewDisks.ImageList.Images.Add((Icon)resourceManager.GetObject("ico9.ico"));
			treeViewDisks.ImageList.Images.Add((Icon)resourceManager.GetObject("ico16.ico"));
			treeViewDisks.ImageList.Images.Add((Icon)resourceManager.GetObject("ico27.ico"));
			treeViewDisks.ImageList.Images.Add((Icon)resourceManager.GetObject("ico233.ico"));
			treeViewDisks.ImageList.Images.Add((Icon)resourceManager.GetObject("UsbEject.ico"));

            LoadItems();
        }

		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
            this.components = new System.ComponentModel.Container();
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainForm));
            this.splitContainer1 = new System.Windows.Forms.SplitContainer();
            this.treeViewDisks = new System.Windows.Forms.TreeView();
            this.contextMenuStrip = new System.Windows.Forms.ContextMenuStrip(this.components);
            this.ejectToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.mainMenuStrip = new System.Windows.Forms.MenuStrip();
            this.fileToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.exitToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.viewToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.usbOnlyToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
            this.refreshToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.helpToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.aToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.propertyGridDevice = new System.Windows.Forms.PropertyGrid();
            this.splitContainer1.Panel1.SuspendLayout();
            this.splitContainer1.Panel2.SuspendLayout();
            this.splitContainer1.SuspendLayout();
            this.contextMenuStrip.SuspendLayout();
            this.mainMenuStrip.SuspendLayout();
            this.SuspendLayout();
            // 
            // splitContainer1
            // 
            this.splitContainer1.Dock = System.Windows.Forms.DockStyle.Fill;
            this.splitContainer1.Location = new System.Drawing.Point(0, 0);
            this.splitContainer1.Name = "splitContainer1";
            this.splitContainer1.Orientation = System.Windows.Forms.Orientation.Horizontal;
            // 
            // splitContainer1.Panel1
            // 
            this.splitContainer1.Panel1.Controls.Add(this.treeViewDisks);
            this.splitContainer1.Panel1.Controls.Add(this.mainMenuStrip);
            // 
            // splitContainer1.Panel2
            // 
            this.splitContainer1.Panel2.Controls.Add(this.propertyGridDevice);
            this.splitContainer1.Size = new System.Drawing.Size(541, 486);
            this.splitContainer1.SplitterDistance = 230;
            this.splitContainer1.TabIndex = 0;
            // 
            // treeViewDisks
            // 
            this.treeViewDisks.ContextMenuStrip = this.contextMenuStrip;
            this.treeViewDisks.Dock = System.Windows.Forms.DockStyle.Fill;
            this.treeViewDisks.FullRowSelect = true;
            this.treeViewDisks.HideSelection = false;
            this.treeViewDisks.Location = new System.Drawing.Point(0, 24);
            this.treeViewDisks.Name = "treeViewDisks";
            this.treeViewDisks.Size = new System.Drawing.Size(541, 206);
            this.treeViewDisks.TabIndex = 1;
            this.treeViewDisks.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.treeViewDisks_AfterSelect);
            this.treeViewDisks.NodeMouseClick += new System.Windows.Forms.TreeNodeMouseClickEventHandler(this.treeViewDisks_NodeMouseClick);
            // 
            // contextMenuStrip
            // 
            this.contextMenuStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.ejectToolStripMenuItem});
            this.contextMenuStrip.Name = "contextMenuStrip";
            this.contextMenuStrip.Size = new System.Drawing.Size(99, 26);
            this.contextMenuStrip.Opening += new System.ComponentModel.CancelEventHandler(this.contextMenuStrip_Opening);
            // 
            // ejectToolStripMenuItem
            // 
            this.ejectToolStripMenuItem.Name = "ejectToolStripMenuItem";
            this.ejectToolStripMenuItem.Size = new System.Drawing.Size(98, 22);
            this.ejectToolStripMenuItem.Text = "&Eject";
            this.ejectToolStripMenuItem.Click += new System.EventHandler(this.ejectToolStripMenuItem_Click);
            // 
            // mainMenuStrip
            // 
            this.mainMenuStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.fileToolStripMenuItem,
            this.viewToolStripMenuItem,
            this.helpToolStripMenuItem});
            this.mainMenuStrip.Location = new System.Drawing.Point(0, 0);
            this.mainMenuStrip.Name = "mainMenuStrip";
            this.mainMenuStrip.Size = new System.Drawing.Size(541, 24);
            this.mainMenuStrip.TabIndex = 2;
            this.mainMenuStrip.Text = "menuStrip1";
            // 
            // fileToolStripMenuItem
            // 
            this.fileToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.exitToolStripMenuItem});
            this.fileToolStripMenuItem.Name = "fileToolStripMenuItem";
            this.fileToolStripMenuItem.Size = new System.Drawing.Size(35, 20);
            this.fileToolStripMenuItem.Text = "&File";
            // 
            // exitToolStripMenuItem
            // 
            this.exitToolStripMenuItem.Name = "exitToolStripMenuItem";
            this.exitToolStripMenuItem.Size = new System.Drawing.Size(92, 22);
            this.exitToolStripMenuItem.Text = "E&xit";
            this.exitToolStripMenuItem.Click += new System.EventHandler(this.exitToolStripMenuItem_Click);
            // 
            // viewToolStripMenuItem
            // 
            this.viewToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.usbOnlyToolStripMenuItem,
            this.toolStripSeparator1,
            this.refreshToolStripMenuItem});
            this.viewToolStripMenuItem.Name = "viewToolStripMenuItem";
            this.viewToolStripMenuItem.Size = new System.Drawing.Size(41, 20);
            this.viewToolStripMenuItem.Text = "&View";
            // 
            // usbOnlyToolStripMenuItem
            // 
            this.usbOnlyToolStripMenuItem.Checked = true;
            this.usbOnlyToolStripMenuItem.CheckOnClick = true;
            this.usbOnlyToolStripMenuItem.CheckState = System.Windows.Forms.CheckState.Checked;
            this.usbOnlyToolStripMenuItem.Name = "usbOnlyToolStripMenuItem";
            this.usbOnlyToolStripMenuItem.Size = new System.Drawing.Size(118, 22);
            this.usbOnlyToolStripMenuItem.Text = "USB Only";
            this.usbOnlyToolStripMenuItem.Click += new System.EventHandler(this.usbOnlyToolStripMenuItem_Click);
            // 
            // toolStripSeparator1
            // 
            this.toolStripSeparator1.Name = "toolStripSeparator1";
            this.toolStripSeparator1.Size = new System.Drawing.Size(115, 6);
            // 
            // refreshToolStripMenuItem
            // 
            this.refreshToolStripMenuItem.Name = "refreshToolStripMenuItem";
            this.refreshToolStripMenuItem.Size = new System.Drawing.Size(118, 22);
            this.refreshToolStripMenuItem.Text = "&Refresh";
            this.refreshToolStripMenuItem.Click += new System.EventHandler(this.refreshToolStripMenuItem_Click);
            // 
            // helpToolStripMenuItem
            // 
            this.helpToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.aToolStripMenuItem});
            this.helpToolStripMenuItem.Name = "helpToolStripMenuItem";
            this.helpToolStripMenuItem.Size = new System.Drawing.Size(40, 20);