namespace IW.Test
{
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Windows.Forms;
static class Program
{
[DllImport("USER32.DLL")]
public static extern bool SetForegroundWindow(IntPtr hWnd);
[STAThread]
static void Main()
{
// Singleton App : Es soll nur eine geben..
Process thisProcess = Process.GetCurrentProcess();
Process[] allProcesses = Process.GetProcessesByName(thisProcess.ProcessName);
Process otherProcess = null;
foreach (Process p in allProcesses)
{
if ((p.Id != thisProcess.Id) && (p.MainModule.FileName == thisProcess.MainModule.FileName))
{
otherProcess = p;
break;
}
}
if (otherProcess != null)
{
//note IntPtr expected by API calls.
IntPtr hWnd = otherProcess.MainWindowHandle;
// Verify that it is a running process.
if (hWnd != IntPtr.Zero)
{
// Make existing process the foreground application
SetForegroundWindow(hWnd);
// and kill this one
thisProcess.Kill();
}
}
else
{
//run your app here
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new MainWindow());
}
}
}
}
