对图片进行缩小可以用这个API函数来实现:
Public Declare Function StretchBlt Lib "gdi32" Alias "StretchBlt" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal nSrcWidth As Long, ByVal nSrcHeight As Long, ByVal dwRop As Long) As Long
具体各个参数的作用你自己可以查一下,我记得也不太清,希望你能满意
Public Declare Function StretchBlt Lib "gdi32" Alias "StretchBlt" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal nSrcWidth As Long, ByVal nSrcHeight As Long, ByVal dwRop As Long) As Long
具体各个参数的作用你自己可以查一下,我记得也不太清,希望你能满意
你到底碰到什么问题?讲清楚啊?要不我问你:
我要用bcb写一个操作系统(5000分)麻烦你帮我解答一下?