C++中获取dll的路径

#include <atlbase.h> //头文件 
//获取当前dll的路径
string GetProgramPath(){
char filePath[MAX_PATH];
GetModuleFileNameA(_AtlBaseModule.GetModuleInstance(), filePath, MAX_PATH);
std::string strDllPath(filePath);
strDllPath = strDllPath.substr(0, strDllPath.find_last_of("\\") + 1);
return strDllPath;
}