Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
In the Window_OnPaint function, change the WM_PAINT message handling code.
VOID Window_OnPaint (HWND hWnd) { HDC hdc; PAINTSTRUCT ps; HPALETTE hOldPal = NULL; hdc = BeginPaint (hWnd, &ps);/* Get DC */ if (Data.BitmapHandle.Flags.Allocated) /* Do we have an image? */ { if (Data.hPalette) /* Is there a palette that needs to be selected? */ hOldPal = SelectPalette (hdc, Data.hPalette, TRUE); /* Select it. */ /* Paint it */ L_PaintDC (hdc, &Data.BitmapHandle, &rLeadSource, NULL, &rLeadDest, &ps.rcPaint, SRCCOPY); if (Data.hPalette) /* Return old palette if there is one. */ SelectPalette (hdc, hOldPal, TRUE); if (bFirst) { bFirst = FALSE; /* Reset the counter and start a timer to be used for display delay. */ nCount = 0; nTimer = SetTimer (hWnd, 1, 1000, NULL); if (!nTimer) { MessageBox (hWnd, TEXT("No Timers Are Available!"), TEXT("ERROR - Resources"), MB_OK); /* No timers are available, so quit the application. */ FORWARD_WM_DESTROY (hWnd, PostMessage); } } } EndPaint (hWnd, &ps); /* Return DC */ return; }