摘要：
使用StringBuilder，举例：C++代码中函数定义如下：PVPOWERFORCASTDLL_API int PVPowerForcast(SForcastInfo &_ForcastInfo,char* DatePtr,char* Dir)C#代码中这样使用： [DllImport("PVPowerForcastDll.dll", EntryPoint = "PVPowerForcast", CallingConvention = CallingConvention.Cdecl)] private static extern int PV 阅读全文
