// The Refresh method updates the values to reflect the current
// situation. Run Refresh if you have changed the number or
// configuration of monitors in the display.
public static void Refresh()
{
Display.VirtualLeft = Display.GetSystemMetrics(SystemMetric.SM_XVIRTUALSCREEN);
Display.VirtualTop = Display.GetSystemMetrics(SystemMetric.SM_YVIRTUALSCREEN);
Display.VirtualWidth = Display.GetSystemMetrics(SystemMetric.SM_CXVIRTUALSCREEN);
Display.VirtualHeight = Display.GetSystemMetrics(SystemMetric.SM_CYVIRTUALSCREEN);
Display.MonitorCount = Display.GetSystemMetrics(SystemMetric.SM_CMONITORS);
Display.MonitorsHaveSameDisplayFormat = (Display.GetSystemMetrics(SystemMetric.SM_SAMEDISPLAYFORMAT) != 0);
Display.Screens = new ScreenInfoCollection();
Display.EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero,
new EnumMonitorsDelegate(EnumMonitorsProc), IntPtr.Zero);
}
public ScreenInfoCollection GetScreenInfoCollection()
{
var monitorInfoCollection = new ScreenInfoCollection();
EnumDisplayMonitors(
IntPtr.Zero,
IntPtr.Zero,
delegate(IntPtr hMonitor, IntPtr hdcmonitor, ref RECT lprcMonitor, IntPtr dwData)
{
var monitorInfoEx = new MONITORINFOEX();
monitorInfoEx.Size = Marshal.SizeOf(monitorInfoEx);
var result = GetMonitorInfo(hMonitor, ref monitorInfoEx);
if (result)
{
var displayScale = GetScreenDisplayScale(hMonitor);
var screenInfo = new ScreenInfo(hMonitor, monitorInfoEx, displayScale);
monitorInfoCollection.Add(screenInfo);
}
return(true);
},
IntPtr.Zero);
return(monitorInfoCollection);
}