Use the API "GetModuleName". Here is an example:

PHP Code:
#include <windows.h>
#include <iostream.h>

int main()
{
    
int x;
    
char filename[MAX_PATH];
    
GetModuleFileName(GetModuleHandle(NULL), filenameMAX_PATH);
    
cout<<filename;
    
cin>>x;
    return 
0;