Get the number and resolution of the display

get current display resolution

Is the resolution of the screen that displays the console window.

#include <Windows.h>
#include <stdio.h>

int main ()
{
    int nscreenwidth, nscreenheight;
    Nscreenwidth = GetSystemMetrics (sm_cxscreen);
    Nscreenheight = GetSystemMetrics (sm_cyscreen);

    printf ("The current screen resolution is:%dx%d", Nscreenwidth, nscreenheight);

    GetChar ();
    return 0;
}

Run Result:

The resolution of the current screen is: 1920x1080

get the number of screens

My Computer now has 4 screens.

#include <Windows.h>
#include <stdio.h>

int main ()
{
    int screennum;
    Screennum = GetSystemMetrics (sm_cmonitors);
    printf ("Current number of screens:%d\n", screennum);

    GetChar ();
    return 0;
}

Run the output:

Current screen Number: 4

get the total resolution of the screen

#include <Windows.h>
#include <stdio.h>

int main ()
{
    int ascreenwidth, ascreenheight;
    Ascreenwidth = GetSystemMetrics (sm_cxvirtualscreen);
    Ascreenheight = GetSystemMetrics (sm_cyvirtualscreen);

    printf ("The current screen total resolution is:%dx%d \ n", Ascreenwidth, ascreenheight);

    GetChar ();
    return 0;
}

Run the output:

The total resolution for the current screen is: 6400x1080

get the resolution of each screen

-To be continued

Reference website:
Http://www.it610.com/article/1468754.htm
http://my.oschina.net/u/1255773/blog/177533
http://blog.csdn.net/hzy694358/article/details/7396130