private static void CaptureActiveWindow(Action <Bitmap> action)
{
var handle = WinApi.GetForegroundWindow();
if (IntPtr.Zero == handle) // The foreground window can be NULL in certain circumstances, such as when a window is losing activation
{
return;
}
using (var bitmap = GetWindowBitmap(handle))
{
action.Invoke(bitmap);
}
}
private static void Capture(ScreenCaptureSource screenCaptureSource, Action <Bitmap> action)
{
switch (screenCaptureSource)
{
case ScreenCaptureSource.ActiveWindow:
CaptureActiveWindow(action);
break;
case ScreenCaptureSource.ActiveScreen:
CaptureScreen(Screen.FromHandle(WinApi.GetForegroundWindow()), action);
break;
case ScreenCaptureSource.PrimaryScreen:
CaptureScreen(Screen.PrimaryScreen, action);
break;
case ScreenCaptureSource.AllScreens:
CaptureAllScreens(action);
break;
default:
throw new NotImplementedException();
}
}
