C++多显示器管理，检测显示器的个数，获取每个显示器的分辨器、像素位数、顶点坐标、刷新频率、矩形范围等属性，支持窗口在任一显示器中全屏和居中，两个窗口在多显示器中切换-C++ multi-monitor management, monitoring monitors the number of the resolution for each display device, the median pixel, vertex coordinates, refresh rate, rectangle