C / C++ / MFC

case WM_PAINT:
{
        PAINTSTRUCT   ps;
	HDC           hDC;
	hDC = BeginPaint(hWnd, &ps);
 
       RECT r = {0};
	HDC hdc_bitmap_text = NULL;
	UpdateWindow(hWnd);
	GetClientRect(GetDlgItem(hWnd, IDC_NEW_BITMAP), &r);
	hdc_bitmap_text = GetDC(GetDlgItem(hWnd, IDC_NEW_BITMAP));

	if(hdc_bitmap_text)
	{
		SetBkMode(hdc_bitmap_text, TRANSPARENT);
		SetTextColor(hdc_bitmap_text, RGB(0,0,0)); 
	
        	DrawText(hdc_bitmap_text,
				iCm->BitmapMessage,
				-1, 
				&r, 
				DT_SINGLELINE | DT_CENTER | DT_VCENTER);
				
		ReleaseDC(GetDlgItem(hWnd, IDC_NEW_BITMAP), hdc_bitmap_text);
		hdc_bitmap_text = NULL;
	}
      EndPaint(hWnd, &ps);
  break;
}