C++知识点

1. #include <comdef.h>   
2. //system::String^ 转化为std::string
3. std::string Convert2String(System::String^ str)  
4. {  
5.     int temp1 = (int)System::Runtime::InteropServices::Marshal::StringToHGlobalAnsi(str);  
6.     char* temp2 = (char*)temp1;  
7.     return std::string(p);//char* 2 string  
8. }