public static IntPtr GetMainWindow(uint aThreadId, string aClassName = null)
{
IntPtr win = IntPtr.Zero;
Window.EnumThreadWindows(aThreadId, (W, _) => {
if (Window.IsWindowVisible(W) && (win == null || (aClassName != null && Window.GetClassName(W) == aClassName)))
win = W;
return true;
}, IntPtr.Zero);
return win;
}
