问题描述 如何利用vfp编写一个dll?如何利用vb.net调用这个dll? 问题1需要一个vfp写的dll,代码如下:DEFINE CLASS VpfUpdate AS CUSTOM OLEPUBLICFUNCTION VpfUpdate(tableSource AS String, tableTarget as String) as String USE (tableSource) COPY TO (tableTarget) TYPE Fox2x RETURN tableTargetENDF