HOWTO:把最小化的其他的.net应用程序重新唤醒并显示

各位大虾！
我做1个只能启动一次的应用程序，当我第二次启动该程序的时候！
怎样将已经最小化的本程序重新显示出来？！！谢谢！！
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调API.去我的blog看.

这里贴不下估计.

http://www.cnblogs.com/wxqq2001/articles/161302.html
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从老外那抄来的.同时可以防止copy后改名再启动的问题.
using System.Threading;

private const int SW_NORMAL = 1; // see WinUser.h for definitions
private const int SW_RESTORE = 9;

[DllImport("User32",EntryPoint="FindWindow")]
static extern IntPtr FindWindow(string className, string windowName);

[DllImport("User32",EntryPoint="SendMessage")]
private static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);

[DllImport("User32",EntryPoint="SetForegroundWindow")]
private static extern bool SetForegroundWindow(IntPtr hWnd);

[DllImport("User32",EntryPoint="SetWindowPlacement")]
private static extern bool SetWindowPlacement(IntPtr hWnd, [In] ref WINDOWPLACEMENT lpwndpl);

[DllImport("User32",EntryPoint="GetWindowPlacement")]
private static extern bool GetWindowPlacement(IntPtr hWnd, [In] ref WINDOWPLACEMENT lpwndpl);

private struct POINTAPI
{
public int x;
public int y;
}

private struct RECT
{
public int left;
public int top;
public int right;
public int bottom;
}

private struct WINDOWPLACEMENT
{
public int length;
public int flags;
public int showCmd;
public POINTAPI ptMinPosition;
public POINTAPI ptMaxPosition;
public RECT rcNormalPosition;
}

//Main
static void Main()
{

bool createdNew;

System.Threading.Mutex m = new System.Threading.Mutex(true, "yourApp", out createdNew);

if (! createdNew)
{
// see if we can find the other app and Bring it to front
IntPtr hWnd = FindWindow(null, "form1deText");

if(hWnd != IntPtr.Zero)
{
form1.WINDOWPLACEMENT placement = new form1.WINDOWPLACEMENT();
placement.length = Marshal.SizeOf(placement);

GetWindowPlacement(hWnd, ref placement);

if(placement.showCmd != SW_NORMAL)
{
placement.showCmd = SW_RESTORE;

SetWindowPlacement(hWnd, ref placement);
SetForegroundWindow(hWnd);
}
}

return;
}

Application.Run(new form1());

// keep the mutex reference alive until the normal termination of the program
GC.KeepAlive(m);

}

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Function PrevInstance() As Boolean
If Ubound(Diagnostics.Process.GetProcessesByName(Diagnostics.Process.GetCurrentProcess.ProcessName)) > 0 Then
me.Activate()
End If
End Function