C#调用DLL各种传参

C++
#define JNAAPI extern "C" __declspec(dllexport) // C方式导出函数

typedef struct    
{  
    int osVersion;  
    int majorVersion;  
    int minorVersion;  
    int buildNum;  
    int platFormId;  
    char szVersion[128];  
}OSINFO;  

// 1. 获取版本信息(传递结构体指针)  
JNAAPI bool GetVersionPtr( OSINFO *info );  
// 2.获取版本信息(传递结构体引用)  
JNAAPI bool GetVersionRef(OSINFO &info);  
#define JNAAPI extern "C" __declspec(dll