所謂"綁架"就是把其他Win32程式的表單嵌入到我們託管的WinForm中.網上已經用很多java版和Delphi版還有WPF的.我在這裡補充C#版的.
定義需要的Win32 API
[DllImport("user32.dll")]
private static extern int SetParent(IntPtr hWndChild,IntPtr hWndParent);
[DllImport("user32.dll")]
private static extern bool ShowWindowAsync(IntPtr hWnd,int nCmdShow);
[DllImport("user32.dll", SetLastError = true)]
private static extern bool PostMessage(IntPtr hWnd,uint Msg,int wParam,int lParam);
[DllImport("user32.dll", EntryPoint = "SetWindowPos")]
private static extern bool SetWindowPos(IntPtr hWnd,int hWndInsertAfter,
int X,int Y,int cx,int cy,uint uFlags);
[DllImport("user32.dll")]
private static extern int SendMessage(IntPtr hWnd,uint Msg,int wParam,int lParam);
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
private static extern uint SetWindowLong(IntPtr hwnd, int nIndex, uint newLong);
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
private static extern uint GetWindowLong(IntPtr hwnd, int nIndex);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
private static public extern bool ShowWindow(IntPtr hWnd, short State);
private const int HWND_TOP = 0x0;
private const int WM_COMMAND = 0x0112;
private const int WM_QT_PAINT = 0xC2DC;
private const int WM_PAINT = 0x000F;
private const int WM_SIZE = 0x0005;
private const int SWP_FRAMECHANGED = 0x0020;
啟動我們需要綁架的程式private void Form1_Load(object sender, EventArgs e)
{
p = new Process();
//需要啟動的程式
p.StartInfo.FileName = @"c:\windows\system32\notepad.exe";
//為了美觀,啟動的時候最小化程式
p.StartInfo.WindowStyle = ProcessWindowStyle.Minimized;
//啟動
p.Start();
//這裡必須等待,否則啟動程式的控制代碼還沒有建立,不能控製程序
Thread.Sleep(1000);
//最大化啟動的程式
ShowWindow(p.MainWindowHandle, (short)ShowWindowStyles.SW_MAXIMIZE);
//設定被綁架程式的父視窗
SetParent(p.MainWindowHandle, this.Handle);
//改變尺寸
ResizeControl();
}
//控制嵌入程式的位置和尺寸
private void ResizeControl()
{
SendMessage(p.MainWindowHandle, WM_COMMAND, WM_PAINT, 0);
PostMessage(p.MainWindowHandle, WM_QT_PAINT, 0, 0);
SetWindowPos(
p.MainWindowHandle,
HWND_TOP,
0-5,//設定位移量,把原來視窗的菜單遮住
0 - 41,
(int)this.Width,
(int)this.Height+36,
SWP_FRAMECHANGED);
SendMessage(p.MainWindowHandle, WM_COMMAND, WM_SIZE, 0);
}
private void Form1_SizeChanged(object sender, EventArgs e)
{
ResizeControl();
}
需要注意的是:ResizeControl()方法很重要,否則達不到我們預期的效果.