-#ifdef __WIN32__
- wxMask *mask = bmp.GetMask();
- if ( !mask )
- {
- // we must have a mask for an icon, so even if it's probably incorrect,
- // do create it (grey is the "standard" transparent colour)
- mask = new wxMask(bmp, *wxLIGHT_GREY);
- }
-
- ICONINFO iconInfo;
- iconInfo.fIcon = TRUE; // we want an icon, not a cursor
- iconInfo.hbmMask = wxInvertMask((HBITMAP)mask->GetMaskBitmap());
- iconInfo.hbmColor = GetHbitmapOf(bmp);
-
- /* GRG: black out the transparent area to preserve background
- * colour, because Windows blits the original bitmap using
- * SRCINVERT (XOR) after applying the mask to the dest rect.
- */
- HDC dcSrc = ::CreateCompatibleDC(NULL);
- HDC dcDst = ::CreateCompatibleDC(NULL);
- SelectObject(dcSrc, (HBITMAP)mask->GetMaskBitmap());
- SelectObject(dcDst, iconInfo.hbmColor);
-
- BitBlt(dcDst, 0, 0, bmp.GetWidth(), bmp.GetHeight(), dcSrc, 0, 0, SRCAND);
-
- SelectObject(dcDst, NULL);
- SelectObject(dcSrc, NULL);
- DeleteDC(dcDst);
- DeleteDC(dcSrc);
-
- HICON hicon = ::CreateIconIndirect(&iconInfo);