internal Monitor(MonitorInformationStruct monitorInfo,
DeviceModeStruct deviceMode)
{
this.deviceMode = deviceMode;
dpiScale = (double)deviceMode.dmPelsWidth /
(monitorInfo.Monitor.Right - monitorInfo.Monitor.Left) *
((int)typeof(SystemParameters).GetProperty("Dpi", BindingFlags.NonPublic | BindingFlags.Static).GetValue(null, null) / 96.0);
}
internal static IEnumerable <Monitor> GetMonitors()
{
List <Monitor> monitors = new List <Monitor>();
EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero, delegate(IntPtr monitorHandle, IntPtr displayDeviceContextHandle, ref Rect monitorSize, IntPtr callbackData)
{
MonitorInformationStruct monitorInfo = new MonitorInformationStruct();
// Has to be set before it is used so GetMonitorInfo knows what it is dealing with
monitorInfo.Size = Marshal.SizeOf(monitorInfo);
GetMonitorInfo(monitorHandle, ref monitorInfo);
DeviceModeStruct deviceMode = new DeviceModeStruct();
EnumDisplaySettings(monitorInfo.DeviceName, -1, ref deviceMode);
monitors.Add(new Monitor(monitorInfo, deviceMode));
return(true);
}, IntPtr.Zero);
return(monitors);
}
private static extern bool EnumDisplaySettings(string deviceName,
int modeNum,
ref DeviceModeStruct deviceMode);