Initial Import

Author: hansschmucker

App.config

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+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

MainUI.Designer.cs

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+using Microsoft.Win32;
+using System;
+using System.Data;
+using System.Diagnostics;
+using System.Drawing;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Windows.Forms;
+
+namespace NVStreamer1080
+{
+    public partial class NVStreamerMainUI : Form
+    {
+        public NVStreamerMainUI()
+        {
+            InitializeComponent();
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        public struct DispSet
+        {
+            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 106)]
+            byte[] padding0;
+            public int width, height, dummy, frequency;
+            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
+            byte[] padding1;
+        };
+
+
+
+        [DllImport("user32.dll")]
+        public static extern int EnumDisplaySettings(string a, int b, ref DispSet c);
+        [DllImport("user32.dll")]
+        public static extern int ChangeDisplaySettings(ref DispSet a, int b);
+
+
+        private int initialWidth;
+        private int initialHeight;
+        private int initialRefresh;
+        private bool useSecondScreen = false;
+        NotifyIcon trayNotifyIcon;
+        private void NVStreamerMainUI_Load(object sender, EventArgs e)
+        {
+            Registry.CurrentUser.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true).SetValue("NVStreamer1080", Application.ExecutablePath);
+
+            var disp = new DispSet();
+            if (EnumDisplaySettings(null, -1, ref disp) == 0)
+            {
+                Application.Exit();
+                return;
+            }
+
+            initialWidth = disp.width;
+            initialHeight = disp.height;
+            initialRefresh = disp.frequency;
+
+            
+            var trayContextMenu = new ContextMenu();
+            trayNotifyIcon = new NotifyIcon();
+            IntPtr tryIconPtr = Resource1.TrayIcon.Handle;
+            Icon trayIcon = Icon.FromHandle(tryIconPtr);
+
+            trayContextMenu.MenuItems.Add("Show UI", OnShow);
+            trayContextMenu.MenuItems.Add("Exit", OnExit);
+            if (Registry.CurrentUser.OpenSubKey("SOFTWARE\\TapperWare\\NVStreamer1080", true) == null)
+                Registry.CurrentUser.CreateSubKey("SOFTWARE\\TapperWare\\NVStreamer1080", true);
+            useSecondScreen=((string)Registry.CurrentUser.OpenSubKey("SOFTWARE\\TapperWare\\NVStreamer1080", true).GetValue("UseSecondScreen","0"))=="1";
+            if (useSecondScreen)
+                useSecondScreenCB.Checked = true;
+
+            trayNotifyIcon.Icon = trayIcon;
+            trayNotifyIcon.Text = "NV Streamer 1080";
+            trayNotifyIcon.Click += OnShow;
+
+            trayNotifyIcon.ContextMenu = trayContextMenu;
+            trayNotifyIcon.Visible = true;
+            CheckTimer.Enabled = true;
+
+        }
+
+        private bool allowClose = false;
+
+        protected override void Dispose(bool isDisposing)
+        {
+            if (!allowClose)
+            {
+                ShowInTaskbar = false;
+                Visible = false;
+                return;
+            }
+
+            if ((components != null))
+            {
+                components.Dispose();
+            }
+
+            if (isDisposing)
+            {
+                trayNotifyIcon.Dispose();
+            }
+
+            if (nv1080Set)
+            {
+                SetResolution(initialWidth, initialHeight, initialRefresh);
+                nv1080Set = false;
+            }
+
+            base.Dispose(isDisposing);
+
+        }
+
+            private void OnExit(object sender, EventArgs e)
+        {
+            allowClose = true;
+            Application.Exit();
+        }
+
+        private void OnShow(object sender, EventArgs e)
+        {
+            ShowInTaskbar = true;
+            Visible = true;
+            BringToFront();
+            CenterToScreen();
+        }
+
+        private bool nv1080Set = false;
+
+        private void SetResolution(int w,int h, int r)
+        {
+
+            var disp = new DispSet();
+            if (EnumDisplaySettings(null, -1, ref disp) == 0)
+                return;
+
+            disp.width = w;
+            disp.height = h;
+            disp.frequency = r;
+            ChangeDisplaySettings(ref disp, 1);
+
+        }
+
+        private void CheckTimer_Tick(object sender, EventArgs e)
+        {
+            var Switch = Path.Combine(Environment.SystemDirectory, "DisplaySwitch.exe");
+            var nvRunning = Process.GetProcesses().Where(a => a.ProcessName.ToLower() == "nvstreamer").Count() > 0;
+            if(nvRunning && !nv1080Set)
+            {
+                if (useSecondScreen)
+                {
+                    
+                    Process.Start(Switch, "/external");
+                    label1.Text = "NVStreamer active: External";
+                }
+                else
+                {
+                    SetResolution(1920, 1080, 60);
+                    label1.Text = "NVStreamer active: 1920x1080@60";
+                }
+                nv1080Set = true;
+                useSecondScreenCB.Enabled = false;
+            }
+            else if(!nvRunning && nv1080Set)
+            {
+                if (useSecondScreen)
+                {
+                    Process.Start(Switch, "/internal");
+                }
+                else
+                {
+                    SetResolution(initialWidth, initialHeight, initialRefresh);
+                }
+                nv1080Set = false;
+                label1.Text = "NVStreamer not active";
+                useSecondScreenCB.Enabled = true;
+            }
+        }
+
+        private void HideTimer_Tick(object sender, EventArgs e)
+        {
+            ShowInTaskbar = false;
+            Visible = false;
+            HideTimer.Enabled = false;
+
+        }
+
+        private void OnSecondScreenCheckboxChange(object sender, EventArgs e)
+        {
+            Registry.CurrentUser.OpenSubKey("SOFTWARE\\TapperWare\\NVStreamer1080", true).SetValue("UseSecondScreen", useSecondScreenCB.Checked ? "1" : "0", RegistryValueKind.String);
+            useSecondScreen = useSecondScreenCB.Checked;
+
+        }
+       
+    }
+}