case WM_PAINT:
		hdc = BeginPaint(hWnd, &ps);
		// TODO: Add any drawing code here...
		hdcBits=::CreateCompatibleDC(hdc);
		SelectObject(hdcBits, maskBitmap);
		BitBlt(hdc,  0 ,  0 ,  200 ,  200 , hdcBits,  0 ,  0 , SRCCOPY);
		DeleteDC(hdcBits);

		hdcBitsBtn1=::CreateCompatibleDC(hdc);
		if(OnBtn1 == true)
			SelectObject(hdcBitsBtn1, Btn2Bitmap);
		else
			SelectObject(hdcBitsBtn1, Btn1Bitmap);
		BitBlt(hdc,  100 ,  100 ,  140 ,  131 , hdcBitsBtn1,  0 ,  0 , SRCCOPY);
		DeleteDC(hdcBitsBtn1);

		EndPaint(hWnd, &ps);
		break;