Esempio n. 1
0
        //Sets the dictionary for display device
        public void SetupDisplay()
        {
            if (displayAndSettings == null)
            {
                displayAndSettings = new Dictionary <DisplayDevice, List <DevMode> >();
            }
            else
            {
                displayAndSettings.Clear();
            }
            if (devices == null)
            {
                devices = new List <DisplayDevice>();
            }
            else
            {
                devices.Clear();
            }

            bool error = false;

            //Here I am listing all DisplayDevices (Monitors)
            for (int devId = 0; !error; devId++)
            {
                try
                {
                    DisplayDevice device = new DisplayDevice();
                    device.cb = Marshal.SizeOf(typeof(DisplayDevice));
                    //Gets list of display devies (can include printers)
                    error = NativeMethods.EnumDisplayDevicesW(null, devId, ref device, 0) == 0;
                    DisplayDevice monitorName = device;//.Clone();
                    error = NativeMethods.EnumDisplayDevicesW(monitorName.DeviceName, 0, ref monitorName, 0) == 0;
                    if (error != true)
                    {
                        device.DeviceString = monitorName.DeviceString;
                        devices.Add(device);
                    }
                }
                catch (Exception)
                {
                    error = true;
                }
            }

            List <DisplaySet> devicesAndModes = new List <DisplaySet>();

            foreach (var device in devices)
            {
                var error1 = false;
                error = false;
                for (int i = 0; !error; i++)
                {
                    try
                    {
                        DevMode mode = new DevMode();
                        //-1 get's the current display setting
                        var result = NativeMethods.EnumDisplaySettings(device.DeviceName, -1 + i, ref mode);
                        error = result == 0;
                        if (!error)
                        {
                            //Adds new device to display and settings if not already included
                            if (!displayAndSettings.Keys.Contains(device))
                            {
                                displayAndSettings.Add(device, new List <DevMode>());
                            }

                            //Checks if Screen Resolution, Refresh rate and bits per pixel are already contained within the list to remove duplicates that can show up
                            if (!displayAndSettings[device].Where(m => m.dmPelsWidth == mode.dmPelsWidth && m.dmPelsHeight == mode.dmPelsHeight && m.dmDeviceName == mode.dmDeviceName && m.dmDisplayFrequency == mode.dmDisplayFrequency && m.dmBitsPerPel == mode.dmBitsPerPel).Any())
                            {
                                Console.WriteLine(string.Format("{0}: {1}x{2} {3}hz", device.DeviceName, mode.dmPelsWidth, mode.dmPelsHeight, mode.dmDisplayFrequency));
                                displayAndSettings[device].Add(mode);
                            }
                        }
                        if (!error1)
                        {
                            error1 = true;
                            error  = false;
                        }
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                        error = false;
                    }
                }
            }
        }
Esempio n. 2
0
 internal static extern ReturnCodes ChangeDisplaySettingsExW(string lpszDeviceName, ref DevMode lpDevMode, object hwnd, int dwFlags, object lParam);
Esempio n. 3
0
 internal static extern ReturnCodes ChangeDisplaySettingsEx(string lpszDeviceName, ref DevMode lpDevMode, IntPtr hwnd, int dwflags, IntPtr lParam);
Esempio n. 4
0
 internal static extern ReturnCodes ChangeDisplaySettings(ref DevMode lpDevMode, int dwFlags);
Esempio n. 5
0
 internal static extern int EnumDisplaySettingsW(string lpszDeviceName, int iModeNum, ref DevMode lpDevMode);
Esempio n. 6
0
        public ReturnCodes Execute(DisplayDevice device, DevMode mode)
        {
            IntPtr ptr = new IntPtr();

            return(NativeMethods.ChangeDisplaySettingsEx(device.DeviceName, ref mode, ptr, 0, ptr));
        }