C / C++ / MFC

chenxiujie wrote:

Thank you very much.

OpenSCManager(NULL,NULL,SC_MANAGER_ALL_ACCESS);

if(GetLastError()==ERROR_ACCESS_DENIED)
{
  MessageBox("User Is not Admin");
}
else
{
MessageBox("User is Admin");
}

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

Blake Miller wrote:

Remember to call CloseServiceHandle on the returned handle if the open is successful, or else you will have handle leaks in your application

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

toxcct wrote:

what is "singleton class"

//Singleton class
class CSingleton
{
private:
    CSingleton() {} // singleton construcor PRIVATE
    ~CSingleton() {} // singleton destructor PRIVATE

public:
    // For getting a pointer to the one and only instance of CSingleton
    static CSingleton* Instance()
    {
        static CSingleton Singleton;
        return &Singleton;
    }
};

//( for example ) 
void CMainFrame::OnYourHandler( CCmdUI* pCmdUI ) 
{
 pCmdUI->Enable( someBooleanValue );
}