bandobject.cs

随着计算机信息技术的飞速发展

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using SHDocVw;
using Microsoft.Win32;

namespace IEBand
{
	/// <summary>
	/// BandObject 的摘要说明。
	/// </summary>
	/// 
	[Guid("AE07101B-46D4-4a98-AF68-0333EA26E113")]
	public class BandObject : System.Windows.Forms.UserControl, IInputObject, IObjectWithSite, IDeskBand, IDockingWindow, IOleWindow
	{
		/// <summary> 
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;
		private System.Windows.Forms.LinkLabel llblHubdog;
		private System.Windows.Forms.LinkLabel llblMagazine;
        protected IInputObjectSite 	BandObjectSite;


		public BandObject()
		{
			// 该调用是 Windows.Forms 窗体设计器所必需的。
			InitializeComponent();

			// TODO: 在 InitializeComponent 调用后添加任何初始化

		}

		/// <summary> 
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region 组件设计器生成的代码
		/// <summary> 
		/// 设计器支持所需的方法 - 不要使用代码编辑器 
		/// 修改此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.llblHubdog = new System.Windows.Forms.LinkLabel();
			this.llblMagazine = new System.Windows.Forms.LinkLabel();
			this.SuspendLayout();
			// 
			// llblHubdog
			// 
			this.llblHubdog.Dock = System.Windows.Forms.DockStyle.Top;
			this.llblHubdog.Location = new System.Drawing.Point(0, 0);
			this.llblHubdog.Name = "llblHubdog";
			this.llblHubdog.Size = new System.Drawing.Size(176, 23);
			this.llblHubdog.TabIndex = 0;
			this.llblHubdog.TabStop = true;
			this.llblHubdog.Text = "哈巴狗的小窝";
			this.llblHubdog.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.llblHubdog_LinkClicked);
			// 
			// llblMagazine
			// 
			this.llblMagazine.Dock = System.Windows.Forms.DockStyle.Top;
			this.llblMagazine.Location = new System.Drawing.Point(0, 23);
			this.llblMagazine.Name = "llblMagazine";
			this.llblMagazine.Size = new System.Drawing.Size(176, 23);
			this.llblMagazine.TabIndex = 1;
			this.llblMagazine.TabStop = true;
			this.llblMagazine.Text = "Sina";
			this.llblMagazine.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.llblMagazine_LinkClicked);
			// 
			// BandObject
			// 
			this.Controls.Add(this.llblMagazine);
			this.Controls.Add(this.llblHubdog);
			this.Name = "BandObject";
			this.Size = new System.Drawing.Size(176, 216);
			this.ResumeLayout(false);

		}
		#endregion

		#region IInputObject 成员

		public virtual void UIActivateIO(Int32 fActivate, ref MSG Msg)
		{
			if( fActivate != 0 ) 
			{
				Control ctrl = GetNextControl(this,true);//first
				if( ModifierKeys == Keys.Shift )
					ctrl = GetNextControl(ctrl,false );//last

				if( ctrl != null ) ctrl.Select();
				this.Focus();
			}
		}

		public virtual Int32 HasFocusIO()
		{
			return this.ContainsFocus ? 0 : 1; //S_OK : S_FALSE;
		}

		public virtual Int32 TranslateAcceleratorIO(ref MSG msg)
		{
			if( msg.message == 0x100 )//WM_KEYDOWN
				if( msg.wParam == (uint)Keys.Tab)//keys used by explorer to navigate from control to control
					if( SelectNextControl( 
						ActiveControl, true, true,	true, false ))
						return 0;//S_OK

			return 1;//S_FALSE
		}

		#endregion

		#region IObjectWithSite 成员

		protected WebBrowserClass	Explorer;

		public void SetSite(Object pUnkSite)
		{
			if( BandObjectSite != null )
				Marshal.ReleaseComObject( BandObjectSite );

			if( Explorer != null )
			{
				Marshal.ReleaseComObject( Explorer );
				Explorer = null;
			}

			BandObjectSite = (IInputObjectSite)pUnkSite;
			if( BandObjectSite != null )
			{
				//获取浏览器接口
				_IServiceProvider sp = BandObjectSite as _IServiceProvider;
				Guid guid = ExplorerGUIDs.IID_IWebBrowserApp;
				Guid riid = ExplorerGUIDs.IID_IUnknown;
				
				try
				{
					object w;
					sp.QueryService( ref guid,	ref riid, out w );
				
					//一旦获得COM接口，就可以创建RCW以便使用
					Explorer = (WebBrowserClass)Marshal.CreateWrapperOfType(
						w as IWebBrowser, typeof(WebBrowserClass));

				}
				catch( COMException )
				{

				}
			}
		}

		public void GetSite(ref Guid riid, out Object ppvSite)
		{
			ppvSite = BandObjectSite;	;
		}

		#endregion

		#region IDeskBand 成员

		public void GetWindow(out IntPtr phwnd)
		{
			phwnd = Handle;
		}

		public void ContextSensitiveHelp(bool fEnterMode)
		{
			
		}

		public virtual void ShowDW(bool fShow)
		{
			if( fShow )
				Show();
			else
				Hide();
		}

		public virtual void CloseDW(UInt32  dwReserved)
		{
			Dispose( true );
		}

		public void ResizeBorderDW(IntPtr prcBorder, Object punkToolbarSite, bool fReserved)
		{
			
		}

		public void GetBandInfo(UInt32 dwBandID, UInt32 dwViewMode, ref DESKBANDINFO pdbi)
		{
			pdbi.wszTitle = ".Net面板组件";
		
			pdbi.ptActual.X = this.Width;
			pdbi.ptActual.Y = this.Height;

			//最大尺寸无限制
			pdbi.ptMaxSize.X = -1;
			pdbi.ptMaxSize.Y = -1;

			//对于最小尺寸来说，窗体的最小宽度是窗体设计时的宽度
			//因为当前是一个垂直面板，因此对高度不作限制
			pdbi.ptMinSize.X = this.Width;
			pdbi.ptMinSize.Y = -1;

			//大小改变幅度都为1
			pdbi.ptIntegral.X = 1;
			pdbi.ptIntegral.Y = 1;

			pdbi.dwModeFlags = DBIM.TITLE | DBIM.ACTUAL | DBIM.MAXSIZE | DBIM.MINSIZE | DBIM.INTEGRAL;			
		}

		protected override void OnGotFocus(System.EventArgs e)
		{
			base.OnGotFocus(e);
			BandObjectSite.OnFocusChangeIS(this, 1);		
		}
		/// <summary>
		/// Notifies explorer of focus change.
		/// </summary>
		protected override void OnLostFocus(System.EventArgs e)
		{
			base.OnLostFocus(e);
			if( ActiveControl == null )
				BandObjectSite.OnFocusChangeIS(this, 0);		
		}

		#endregion

        #region 组件注册与注销

		[ComRegisterFunctionAttribute]
		public static void Register(Type t)
		{
			string guid = t.GUID.ToString("B");
			
			RegistryKey rkClass = Registry.ClassesRoot.CreateSubKey(@"CLSID\"+guid );
			RegistryKey rkCat = rkClass.CreateSubKey("Implemented Categories");

			string name = "IEBand";
			string help = "IEBand";

			rkClass.SetValue(null, name );
			rkClass.SetValue("MenuText", name );
			rkClass.SetValue("HelpText", help );

			rkCat.CreateSubKey("{00021493-0000-0000-C000-000000000046}");
		}
   
		[ComUnregisterFunctionAttribute]
		public static void Unregister(Type t)
		{
			string guid = t.GUID.ToString("B");


			Registry.ClassesRoot.CreateSubKey(@"CLSID").DeleteSubKeyTree(guid);
		}
		#endregion

		private void llblHubdog_LinkClicked(object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e)
		{
			object Flags=null;
			object TargetFrameName=null;
			object PostData=null;
			object Headers=null;
            Explorer.Navigate("http://hubdog.csdn.net",ref Flags, ref TargetFrameName,ref PostData,ref Headers);
		}

		private void llblMagazine_LinkClicked(object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e)
		{
			object Flags=null;
			object TargetFrameName=null;
			object PostData=null;
			object Headers=null;
			Explorer.Navigate("http://news.sina.com.cn",ref Flags, ref TargetFrameName,ref PostData,ref Headers);		
		}

	}
}