/*******************************************************************
?*?聲明
?*?
?*?本示例代碼僅用于學習交流。
?*?拒絕在未經過本人許可的情況下在任何商業性出版物或商業性網站上使用。
?*?
?*????????????????????????????????????????????????SHARKOO?2006.3.24
?*
?*?Mail：?sharkoo@msn.com
?*?Blog：?http://sharkoo.cnblogs.com/
?*?
?*******************************************************************/
using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;
using?System.Threading;

namespace?ScreenMagnifier
{
	///?

	///?屏幕放大示例?V1.0
	///?
	///?功能說明：
	///?簡單實現了屏幕圖像的放大顯示。采樣點為鼠標點（-25，-25）－（25，25），放大2倍顯示。
	///?
	///?已知問題：
	///?1。不支持視頻截取
	///?2。部分ToolTip提示無法顯示
	///?3。可能會造成背景窗口部分顯示失效。
	///?4。SKHook類中，對于鍵盤事件處理，存在不足。
	///?
	///?

	public?partial?class?FrmMain?:?Form
	{
		#region?私有常量

		private?readonly?int?m_ScreenWidth?=?1024;

		private?readonly?int?m_ScreenHeight?=?768;

		#endregion?私有常量

		#region?私有變量

		///?

		///?用于存在屏幕捕獲位圖
		///?

		private?Bitmap?m_ScreenCapture?=?new?Bitmap（?50?50?）;

		///?

		///?屏幕捕獲點X坐標
		///?

		private?int?m_CaptureX?=?0;

		///?

		///?屏幕捕獲點Y坐標
		///?

		private?int?m_CaptureY?=?0;

		///?

		///?鎖定對象用于加鎖
		///?

		private?object?m_LockObj?=?new?object（）;

		///?

		///?鉤子管理實例
		///?

		private?SKHook?m_HookMain?=?new?SKHook（）;

		#endregion?私有變量

		#region?私有方法

		///?

		///?手動釋放資源
		///?

		private?void?CustomDispose（）
		{
			this.m_ScreenCapture.Dispose（）;
		}

		///?

		///	使用鼠標位置設置捕獲位置同時進行位圖捕獲及設置窗體顯示位置
		///?

		///?
		///?
		private?void?SetCaptureXY（?int?mousex?int?mousey?）
		{
			this.GetLoactionOfCapture（?ref?mousex?ref?mousey?）;
			if?（?this.m_CaptureX?==?mousex?&&?this.m_CaptureY?==?mousey?）
				return;
			lock?（?this.m_LockObj?）
			{
				this.m_CaptureX?=?mousex;
				this.m_CaptureY?=?mousey;
			}
			this.GetLoactionOfForm（?ref?mousex?ref?mousey?）;
			Win32API.SetWindowPos（?this.Handle?-1?mousex?mousey?0?0
				（?int?）SetWindowPosFlags.SWP_ASYNCWINDOWPOS?|?（?int?）SetWindowPosFlags.SWP_NOSIZE?）;
			this.CreateScreenCapture（）;
		}

		///?

		///?捕獲屏幕圖像到位圖
		///?

		private?void?CreateScreenCapture（）
		{
			lock?（?this.m_LockObj?）
			{
				using?（?Graphics?g?=?Graphics.FromImage（?this.m_ScreenCapture?）?）
				{
//					g.Clear（?Color.White?）;
					g.CopyFromScreen（?this.m_CaptureX?this.m_CaptureY?0?0?new?Size（?50?50?）?）;
				}
			}
			if?（?this.InvokeRequired?）
			{
				VoidCallback?InvalidateCallback?=?new?VoidCallback（?this.Invalidate?）;
				this.Invoke（?InvalidateCallback?null?）;
			}
			else
				this.Invalidate（）;
		}

		///?

		///?獲取合理的窗體顯示位置
		///?

		///?
		///?<

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????6943??2006-03-24?15:15??ScreenMagnifier0325\FrmMain.cs

?????文件????????403??2006-03-24?09:17??ScreenMagnifier0325\Program.cs

?????文件???????5273??2006-03-24?09:17??ScreenMagnifier0325\SKPublic.cs

?????文件???????3648??2006-03-24?11:49??ScreenMagnifier0325\ScreenMagnifier.csproj

?????文件????????168??2006-03-24?09:17??ScreenMagnifier0325\ScreenMagnifier.csproj.user

?????文件????????918??2006-03-24?09:17??ScreenMagnifier0325\ScreenMagnifier.sln

????..A..H.?????20992??2006-03-24?15:15??ScreenMagnifier0325\ScreenMagnifier.suo

?????文件?????127438??2006-03-24?09:17??ScreenMagnifier0325\Search.ico

?????文件????????668??2006-03-24?15:14??ScreenMagnifier0325\obj\ScreenMagnifier.csproj.FileList.txt

?????目錄??????????0??2006-03-24?09:18??ScreenMagnifier0325\obj\Release\TempPE

?????目錄??????????0??2006-03-24?09:18??ScreenMagnifier0325\obj\Release\Refactor

?????文件?????128004??2006-03-24?12:14??ScreenMagnifier0325\obj\Release\ScreenMagnifier.FrmMain.resources

?????文件????????180??2006-03-24?12:14??ScreenMagnifier0325\obj\Release\ScreenMagnifier.Properties.Resources.resources

?????文件????????844??2006-03-24?12:14??ScreenMagnifier0325\obj\Release\ScreenMagnifier.csproj.GenerateResource.Cache

?????文件??????32256??2006-03-24?15:14??ScreenMagnifier0325\obj\Release\ScreenMagnifier.pdb

?????文件?????282624??2006-03-24?15:14??ScreenMagnifier0325\obj\Release\ScreenMagnifier.exe

?????目錄??????????0??2006-03-24?09:18??ScreenMagnifier0325\obj\Release

?????文件????????844??2006-03-24?09:17??ScreenMagnifier0325\obj\Debug\ScreenMagnifier.csproj.GenerateResource.Cache

?????文件?????282624??2006-03-24?09:17??ScreenMagnifier0325\obj\Debug\ScreenMagnifier.exe

?????文件?????128004??2006-03-24?09:17??ScreenMagnifier0325\obj\Debug\ScreenMagnifier.FrmMain.resources

?????文件????????180??2006-03-24?09:17??ScreenMagnifier0325\obj\Debug\ScreenMagnifier.Properties.Resources.resources

?????文件??????32256??2006-03-24?09:17??ScreenMagnifier0325\obj\Debug\ScreenMagnifier.pdb

?????目錄??????????0??2006-03-24?09:18??ScreenMagnifier0325\obj\Debug\TempPE

?????目錄??????????0??2006-03-24?09:18??ScreenMagnifier0325\obj\Debug\Refactor

?????目錄??????????0??2006-03-24?09:18??ScreenMagnifier0325\obj\Debug

?????目錄??????????0??2006-03-24?09:18??ScreenMagnifier0325\obj

?????文件???????1216??2006-03-24?09:17??ScreenMagnifier0325\Properties\AssemblyInfo.cs

?????文件???????2553??2006-03-24?09:17??ScreenMagnifier0325\Properties\Resources.Designer.cs

?????文件???????5612??2006-03-24?09:17??ScreenMagnifier0325\Properties\Resources.resx

?????文件???????1030??2006-03-24?09:17??ScreenMagnifier0325\Properties\Settings.Designer.cs

............此處省略10個文件信息