Added option to run on Windows startup

Steam Desktop Authenticator/MainForm.cs

@@ -35,6 +35,11 @@ public MainForm()
 
         private void MainForm_Shown(object sender, EventArgs e)
         {
+            if (Program.winStartup)
+            {
+                this.Hide();
+            }
+
             this.labelVersion.Text = String.Format("v{0}", Application.ProductVersion);
             this.manifest = Manifest.GetManifest();
 
@@ -71,6 +76,12 @@ private void MainForm_Shown(object sender, EventArgs e)
         private void MainForm_Load(object sender, EventArgs e)
         {
             trayIcon.Icon = this.Icon;
+
+            if (Program.winStartup)
+            {
+                //Minimize on load so it doesn't blink
+                this.WindowState = FormWindowState.Minimized;
+            }
         }
 
         private void MainForm_Resize(object sender, EventArgs e)

Steam Desktop Authenticator/Manifest.cs

@@ -36,6 +36,9 @@ public class Manifest
         [JsonProperty("auto_confirm_trades")]
         public bool AutoConfirmTrades { get; set; } = false;
 
+        [JsonProperty("startup_min")]
+        public bool StartupMinimized { get; set; } = true;
+
         private static Manifest _manifest { get; set; }
 
         public static string GetExecutableDir()

Steam Desktop Authenticator/Program.cs

@@ -10,6 +10,8 @@ namespace Steam_Desktop_Authenticator
 {
     static class Program
     {
+        public static bool winStartup;
+
         public static Process PriorProcess()
         // Returns a System.Diagnostics.Process pointing to
         // a pre-existing process with the same name as the
@@ -38,7 +40,7 @@ public static Process PriorProcess()
         /// The main entry point for the application.
         /// </summary>
         [STAThread]
-        static void Main()
+        static void Main(string[] args)
         {
             // run the program only once
             if (PriorProcess() != null)
@@ -47,11 +49,16 @@ static void Main()
                 return;
             }
 
+            bool startup = args.Length > 0 && args[0] == "-startup";
+
             Application.EnableVisualStyles();
             Application.SetCompatibleTextRenderingDefault(false);
 
             Manifest man = Manifest.GetManifest();
-            if(man.FirstRun)
+
+            winStartup = startup && man.StartupMinimized;
+
+            if (man.FirstRun)
             {
                 // Install VC++ Redist and wait
                 new InstallRedistribForm().ShowDialog();

Steam Desktop Authenticator/SettingsForm.cs

@@ -1,4 +1,5 @@
-using System;
+using Microsoft.Win32;
+using System;
 using System.Windows.Forms;
 
 namespace Steam_Desktop_Authenticator
@@ -8,6 +9,17 @@ public partial class SettingsForm : Form
         Manifest manifest;
         bool fullyLoaded = false;
 
+        bool startupEnabled;
+        RegistryKey rkApp = Registry.CurrentUser.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
+
+        private string StartupLine
+        {
+            get
+            {
+                return "\"" + Application.ExecutablePath + "\" -startup";
+            }
+        }
+
         public SettingsForm()
         {
             InitializeComponent();
@@ -24,6 +36,11 @@ public SettingsForm()
             SetControlsEnabledState(chkPeriodicChecking.Checked);
 
             fullyLoaded = true;
+
+            startupEnabled = rkApp.GetValue("SDA")?.ToString() == StartupLine;
+            chkStartup.Checked = startupEnabled;
+            chkStartMin.Enabled = startupEnabled;
+            chkStartMin.Checked = manifest.StartupMinimized;
         }
 
         private void SetControlsEnabledState(bool enabled)
@@ -49,7 +66,18 @@ private void btnSave_Click(object sender, EventArgs e)
             manifest.CheckAllAccounts = chkCheckAll.Checked;
             manifest.AutoConfirmMarketTransactions = chkConfirmMarket.Checked;
             manifest.AutoConfirmTrades = chkConfirmTrades.Checked;
+            manifest.StartupMinimized = chkStartMin.Checked;
             manifest.Save();
+
+            if (chkStartup.Checked && !startupEnabled)
+            {
+                rkApp.SetValue("SDA", StartupLine);
+            }
+            else if (!chkStartup.Checked && startupEnabled)
+            {
+                rkApp.DeleteValue("SDA", false);
+            }
+
             this.Close();
         }
 
@@ -69,5 +97,10 @@ private void chkConfirmTrades_CheckedChanged(object sender, EventArgs e)
             if(chkConfirmTrades.Checked)
                 ShowWarning(chkConfirmTrades);
         }
+
+        private void chkStartup_CheckedChanged(object sender, EventArgs e)
+        {
+            chkStartMin.Enabled = chkStartup.Checked;
+        }
     }
 }