调用vc的dll 返回 char * 怎样接收??? 我快疯了!!!不揭帖不睡觉
cqzyf 2008-12-26 11:43:44 VC 的头文件这样声明的
_PORT_ char *OCode(unsigned long fIDMode,bool fReference,char *lpFileName);
我这样调用
[DllImport(@"OCode.dll")]
public static extern StringBuilder OCode(long fIDMode, bool fReference,StringBuilder s);
StringBuilder a1 = new StringBuilder("132132");
StringBuilder b1 = new StringBuilder();
b1 = OCode(2, false, ddd);
不管怎样都得不到返回值,高手给我看看,调用是否正确???