Enumerates services in the specified service control manager database. The name and status of each service are provided.

EnumServicesStatus.cpp

// To get the service name of a running service in Windows, you can use the EnumServicesStatus function to enumerate through the services in the Service Control Manager (SCM) database and retrieve information about each service, including its name.

#include <iostream>
#include <windows.h>
using namespace std;
int main()
  {
  SC_HANDLE scmHandle = OpenSCManager(NULL,NULL,SC_MANAGER_CONNECT|SC_MANAGER_ENUMERATE_SERVICE);

  if(scmHandle == NULL)
    {
    cerr<<"Error opening Service Control Manager, Error No: "<<GetLastError()<<endl;
    }

    DWORD bufferSize = 0;
    DWORD servicesReturned = 0;
    DWORD resumeHandle = 0;


    EnumServicesStatus(scmHandle,SERVICE_WIN32,SERVICE_STATE_ALL,NULL,0,&bufferSize,&servicesReturned,&resumeHandle);

    // buffer size error
    if(GetLastError() != ERROR_MORE_DATA)
      {
        cerr<<"Error getting buffer size"<<endl;
        CloseServiceHandle(scmHandle);
        system("PAUSE");
        return 1;
      }

  // Allocate buffer to get service Information
    LPENUM_SERVICE_STATUS services = static_cast<LPENUM_SERVICE_STATUS>(malloc(bufferSize));

    if(services == NULL)
      {
        cerr<<"Error allocating buffer "<<endl;
        CloseServiceHandle(scmHandle);
        system("PAUSE");
        return 1;
      }

    // Enumerate Services
    if(EnumServicesStatus(scmHandle,SERVICE_WIN32,SERVICE_STATE_ALL,services,bufferSize,&bufferSize,&servicesReturned,&resumeHandle))
      {
      wcout<<"Service Names: "<<endl;

      for(DWORD i = 0;i<servicesReturned;i++)
        {
        wcout<<services[i].lpServiceName<<endl;
        }
      }
    else
      {
      cerr<<"Error Enumerating Services, Error No: "<<GetLastError()<<endl;
      system("PAUSE");
      }

    free(services);
    CloseServiceHandle(scmHandle);


  system("PAUSE");
  }