获取屏幕数量及宽高--GetSystemMetrics

 1 #include <iostream>
 2 #include <Windows.h>
 3 #include "winuser.h"
 4 
 5 
 6 int main()
 7 {
 8     // 获取桌面x坐标，可以为负值
 9     int xScreen = ::GetSystemMetrics(SM_XVIRTUALSCREEN);
10     std::cout << "x坐标：" << xScreen << std::endl;
11     // 获取桌面y坐标，可以为负值
12     int yScreen = ::GetSystemMetrics(SM_YVIRTUALSCREEN);
13     std::cout << "y坐标：" << yScreen << std::endl;
14     // 获取桌面总宽度
15     int cxScreen = ::GetSystemMetrics(SM_CXVIRTUALSCREEN);
16     std::cout << "总宽度：" << cxScreen << std::endl;
17     // 获取桌面总高度
18     int cyScreen = ::GetSystemMetrics(SM_CYVIRTUALSCREEN);
19     std::cout << "高度：" << cyScreen << std::endl;
20     //获取屏幕数量
21     int nScreenCount = ::GetSystemMetrics(SM_CMONITORS);
22     std::cout << "屏幕数量：" << nScreenCount << std::endl;
23     getchar();
24     return 0;
25 }