枚举当前会话的窗口站和桌面的信息

#include "stdafx.h"

/*
文件名：EnumWindowStations.cpp
功能：枚举当前会话的session->window stations->Desktop->（top-level）Windows->（child）Windows的信息等.

made by correy
made at 2014.06.16
homepage:http://correy.webs.com
*/

#ifndef UNICODE
#define UNICODE
#endif // UNICODE

#include <windows.h>


//BOOL CALLBACK EnumChildProc(HWND hwnd, LPARAM lParam)
//{
//
//    //To continue enumeration, the callback function must return TRUE; to stop enumeration, it must return FALSE. 
//    return TRUE;
//}


BOOL CALLBACK EnumWindowsProc(HWND hwnd, LPARAM lParam)
{
    //fprintf(stderr,"\t\t\tWindows handle:0x%X!\n", hwnd);

    /*
    更多的信息，那就自己动手吧！
    如：名字，处理函数等。
    还可以EnumChildWindows。
    甚至可以EnumThreadWindows（EnumThreadWndProc）。
    */

    //To continue enumeration, the callback function must return TRUE; to stop enumeration, it must return FALSE. 
    return TRUE;
}


BOOL CALLBACK EnumDesktopProc(IN LPTSTR lpszDesktop,IN LPARAM lParam)
{
    fprintf(stderr,"\t\tDesktop name:%ws!\n", lpszDesktop);

    HDESK HD = OpenDesktop(lpszDesktop, 0, TRUE, GENERIC_READ);
    if (HD == NULL)
    {
        int x =  GetLastError ();
        return x;
    }

    BOOL B = EnumDesktopWindows(HD,  EnumWindowsProc, 0);
    if (!B)
    {
        int x =  GetLastError ();        
    }

    B = CloseDesktop(HD);
    if (!B)
    {
        int x =  GetLastError ();
        return FALSE ;
    }

    //To continue enumeration, the callback function must return TRUE. To stop enumeration, it must return FALSE. 
    return TRUE;
}


BOOL CALLBACK EnumWindowStationProc(IN LPTSTR lpszWindowStation,IN LPARAM lParam)
{
    fprintf(stderr,"\tWindowStation name:%ws!\n", lpszWindowStation);

    HWINSTA Hws = OpenWindowStation(lpszWindowStation, TRUE, GENERIC_READ);
    if (Hws == NULL)
    {
        int x =  GetLastError ();
        return x;
    }

    BOOL B = EnumDesktops(Hws, EnumDesktopProc, 0);
    if (!B)
    {
        int x =  GetLastError ();        
    }

    B = CloseWindowStation(Hws);
    if (!B)
    {
        int x =  GetLastError ();
        return FALSE ;
    }

    //To continue enumeration, the callback function must return TRUE. To stop enumeration, it must return FALSE.
    return TRUE ;
}


int __cdecl main(int argc, char *argv[])
{
    fprintf(stderr,"当前会话的window stations->Desktop->Windows信息\n");

    BOOL B = EnumWindowStations(EnumWindowStationProc, 0);//Enumerates all window stations in the current session
    if (!B)
    {
        int x =  GetLastError ();
        return x;
    }

    return 0;
}