INFO: Processing WM_PALETTECHANGED and WM_QUERYNEWPALETTE

   case WM_PALETTECHANGED:
       {
       HDC hDC;           // Handle to device context
       HPALETTE hOldPal;  // Handle to previous logical palette

       // If this application did not change the palette, select
       // and realize this application's palette
       if (wParam != hWnd)
          {
          // Need the window's DC for SelectPalette/RealizePalette
          hDC = GetDC(hWnd);

          // Select and realize hPalette
          hOldPal = SelectPalette(hDC, hPalette, FALSE);
          RealizePalette(hDC);

          // When updating the colors for an inactive window,
          // UpdateColors can be called because it is faster than
          // redrawing the client area (even though the results are
          // not as good)
          UpdateColors(hDC);

          // Clean up
          if (hOldPal)
             SelectPalette(hDC, hOldPal, FALSE);
          ReleaseDC(hWnd, hDC);
          }
       }
       break;
				

   case WM_QUERYNEWPALETTE:
       {
       HDC hDC;           // Handle to device context
       HPALETTE hOldPal;  // Handle to previous logical palette

       // Need the window's DC for SelectPalette/RealizePalette
       hDC = GetDC(hWnd);

       // Select and realize hPalette
       hOldPal = SelectPalette(hDC, hPalette, FALSE);
       RealizePalette(hDC);

       // Redraw the entire client area
       InvalidateRect(hWnd, NULL, TRUE);
       UpdateWindow(hWnd);

       // Clean up
       if (hOldPal)
          SelectPalette(hDC, hOldPal, FALSE);
       ReleaseDC(hWnd, hDC);

       // Message processed, return TRUE
       return TRUE;
       }