用Win API函数CreateCompatibleDC和CreateCompatibleBitmap即可在内存中创建用于存储图片的DC和HWND区域Public Declare Function CreateCompatibleDC Lib "gdi32" Alias "CreateCompatibleDC" (ByVal hdc As Long) As LongPublic Declare Function CreateCompatibleBitmap Lib "gdi32" Alias "CreateCompatibleBitmap" (ByVal hdc As Long, ByVal nWidth As Long, ByVal