显示Bitmap并让适应屏幕改变大小显示

CPaintDC dc(this); CRect rcClient; CDC   MemDC; CBitmap* pOldBitmap; BITMAP bm;this int nStretchMode; GetClientRect(&rcClient); bm.GetBitmap(&bm);spa MemDC.CreateCompatibleDC(&dc); pOldBitmap = MemDC.

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