プロセス名でウィンドウハンドル取得 コピペ用

Process[] ps = Process.GetProcessesByName("hogehoge");

/*
Process[] ps = Process.GetProcesses();
foreach(var p in ps) {
  Console.WriteLine(p.ProcessName);
}
*/

if (!ps.Any())
{
    return;
}

IntPtr hWnd = ps[0].MainWindowHandle;
RECT rect = new RECT();
GetWindowRect(hWnd, out rect);