怎样转换为GDI+的Bitmap对象

[lilianjie001]

通过文件操作，从磁盘上读取一个图片文件到unsigned char *m_buf里面，m_buf里面的数据是正确的。
现在想要转换为GDI+中的Bitmap类对象，怎样转换呢。
构造函数Bitmap(INT width,INT height,INT stride,PiexlFormat format,BYTE* scan());好像不能这么直接用吧。那位知道怎么转换。

[赵4老师]

'Public Declare Function GdipLoadImageFromStream Lib "gdiplus" (Byval stream as IStream, image As Long) As GpStatus 'Public Declare Function GdipLoadImageFromStreamICM Lib "gdiplus" (Byval stream as IStream, image As Long) As GpStatus ？