private static DisplayInfo ConvertMonitorInfoToDisplayInfo(IntPtr hMonitor, PInvoke.User32.MONITORINFOEX mi)
{
return(new DisplayInfo
{
ScreenWidth = mi.Monitor.right - mi.Monitor.left,
ScreenHeight = mi.Monitor.bottom - mi.Monitor.top,
DeviceName = new string(mi.DeviceName),
WorkArea = mi.WorkArea,
Availability = mi.Flags.ToString(),
hMonitor = hMonitor
});
}
public static DisplayInfo GetDisplay(IntPtr hwnd)
{
DisplayInfo di = null;
IntPtr hMonitor;
PInvoke.RECT rc;
PInvoke.User32.GetWindowRect(hwnd, out rc);
hMonitor = PInvoke.User32.MonitorFromRect(ref rc, PInvoke.User32.MonitorOptions.MONITOR_DEFAULTTONEAREST);
PInvoke.User32.MONITORINFOEX mi = new PInvoke.User32.MONITORINFOEX();
mi.cbSize = Marshal.SizeOf(mi);
bool success = PInvoke.User32.GetMonitorInfo(hMonitor, out mi);
if (success)
{
di = ConvertMonitorInfoToDisplayInfo(hMonitor, mi);
}
return(di);
}
unsafe public static List <DisplayInfo> GetDisplays()
{
List <DisplayInfo> col = new();
_ = EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero,
delegate(IntPtr hMonitor, IntPtr hdcMonitor, ref PInvoke.RECT lprcMonitor, IntPtr dwData)
{
PInvoke.User32.MONITORINFOEX mi = new PInvoke.User32.MONITORINFOEX();
mi.cbSize = Marshal.SizeOf(mi);
bool success = PInvoke.User32.GetMonitorInfo(hMonitor, out mi);
if (success)
{
DisplayInfo di = ConvertMonitorInfoToDisplayInfo(hMonitor, mi);
col.Add(di);
}
return(true);
}, IntPtr.Zero);
return(col);
}