正在阅读：使用GDI+在内存中转换图片类型使用GDI+在内存中转换图片类型

BOOL MBmpToMImage(CMemFile& cbfBmp, CMemFile& cbfImage, CString strType)

{

       int iBmpSize = cbfBmp.GetLength();

       HGLOBAL hMemBmp = GlobalAlloc(GMEM_FIXED, iBmpSize);

       if (hMemBmp == NULL) return FALSE;

       IStream* pStmBmp = NULL;

       CreateStreamOnHGlobal(hMemBmp, FALSE, &pStmBmp);

       if (pStmBmp == NULL)

       {

              GlobalFree(hMemBmp);

              return FALSE;

       }

       BYTE* pbyBmp = (BYTE *)GlobalLock(hMemBmp);

       cbfBmp.SeekToBegin();

       cbfBmp.Read(pbyBmp, iBmpSize);

       Image* imImage = NULL;

       imImage = Image::FromStream(pStmBmp, FALSE);

       if (imImage == NULL)

       {

              GlobalUnlock(hMemBmp);