//user32.dll
public static IntPtr GetWindow(uint pid, bool IsWD)
{
IntPtr hWnd = IntPtr.Zero;
IntPtr lngProcId = IntPtr.Zero;;
hWnd = User32API.GetDesktopWindow();
hWnd = User32API.GetWindow(hWnd, GetWindowEnums.GW_CHILD);
while (hWnd != IntPtr.Zero)
{
//Console.WriteLine(str);
User32API.GetWindowThreadProcessId(hWnd, ref lngProcId);
if ((uint)lngProcId == pid)
{
if (IsWD)
{
if (!User32API.IsWindowVisible(hWnd))
{
hWnd = User32API.GetWindow(hWnd, GetWindowEnums.GW_HWNDNEXT);
continue;
}
}
return(hWnd);
}
hWnd = User32API.GetWindow(hWnd, GetWindowEnums.GW_HWNDNEXT);
}
return(IntPtr.Zero);
}
//.net
public static IntPtr GetIsWindow(string strProcessName)
{
if (strProcessName.IndexOf(".") > 0)
{
strProcessName = strProcessName.Substring(0, strProcessName.LastIndexOf("."));
}
Process[] ps = Process.GetProcesses();
foreach (Process item in ps)
{
if (item.ProcessName.ToLower() == strProcessName.ToLower())
{
if (User32API.IsWindowVisible(item.MainWindowHandle))
{
return(item.MainWindowHandle);
}
}
}
return(IntPtr.Zero);
}