Install Startup shortcut

DuckDNS/DuckDNS.csproj

@@ -55,6 +55,8 @@
     </Compile>
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="ShellLink.cs" />
+    <Compile Include="Windows.cs" />
     <EmbeddedResource Include="Form1.resx">
       <DependentUpon>Form1.cs</DependentUpon>
     </EmbeddedResource>

DuckDNS/Form1.cs

@@ -3,6 +3,8 @@
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
+using System.IO;
+using System.Reflection;
 using System.Text;
 using System.Windows.Forms;
 
@@ -138,5 +140,11 @@ private void updateNowToolStripMenuItem_Click(object sender, EventArgs e)
         {
             UpdateDNS();
         }
+
+        private void installStartupShortcutToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            string linkPath = Windows.GetStartupPath() + Path.DirectorySeparatorChar + "DuckDNS.lnk";
+            WShellLink.CreateLink(linkPath,"Duck DNS Updater",Assembly.GetExecutingAssembly().Location);
+        }
     }
 }

DuckDNS/Form1.resx

@@ -154,9 +154,6 @@
   <metadata name="timer.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>123, 17</value>
   </metadata>
-  <metadata name="toolTip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>358, 17</value>
-  </metadata>
   <data name="$this.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         AAABAAMAEBAAAAEAIABoBAAANgAAACAgAAABACAAqBAAAJ4EAAAwMAAAAQAgAKglAABGFQAAKAAAABAA

DuckDNS/ShellLink.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Runtime.InteropServices.ComTypes;
+
+namespace DuckDNS
+{
+    class WShellLink
+    {
+        public static void CreateLink(string name, string description, string path)
+        {
+            IShellLink link = (IShellLink)new ShellLink();
+
+            // setup shortcut information
+            link.SetDescription(description);
+            link.SetPath(path);
+
+            // save it
+            IPersistFile file = (IPersistFile)link;
+            file.Save(name, false);
+        }
+    }
+
+    [ComImport]
+    [Guid("00021401-0000-0000-C000-000000000046")]
+    class ShellLink 
+    {
+    }
+
+    [ComImport]
+    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+    [Guid("000214F9-0000-0000-C000-000000000046")]
+    interface IShellLink
+    {
+        void GetPath([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszFile, int cchMaxPath, out IntPtr pfd, int fFlags);
+        void GetIDList(out IntPtr ppidl);
+        void SetIDList(IntPtr pidl);
+        void GetDescription([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszName, int cchMaxName);
+        void SetDescription([MarshalAs(UnmanagedType.LPWStr)] string pszName);
+        void GetWorkingDirectory([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszDir, int cchMaxPath);
+        void SetWorkingDirectory([MarshalAs(UnmanagedType.LPWStr)] string pszDir);
+        void GetArguments([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszArgs, int cchMaxPath);
+        void SetArguments([MarshalAs(UnmanagedType.LPWStr)] string pszArgs);
+        void GetHotkey(out short pwHotkey);
+        void SetHotkey(short wHotkey);
+        void GetShowCmd(out int piShowCmd);
+        void SetShowCmd(int iShowCmd);
+        void GetIconLocation([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszIconPath, int cchIconPath, out int piIcon);
+        void SetIconLocation([MarshalAs(UnmanagedType.LPWStr)] string pszIconPath, int iIcon);
+        void SetRelativePath([MarshalAs(UnmanagedType.LPWStr)] string pszPathRel, int dwReserved);
+        void Resolve(IntPtr hwnd, int fFlags);
+        void SetPath([MarshalAs(UnmanagedType.LPWStr)] string pszFile);
+    }
+}

DuckDNS/Windows.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace DuckDNS
+{
+    class Windows
+    {
+        [DllImport("shell32.dll")]
+        static extern bool SHGetSpecialFolderPath(IntPtr hwndOwner,
+           [Out] StringBuilder lpszPath, int nFolder, bool fCreate);
+        const int CSIDL_STARTUP = 0x7;  
+
+        public static string GetStartupPath()
+        {
+            StringBuilder path = new StringBuilder(260);
+            SHGetSpecialFolderPath(IntPtr.Zero, path, CSIDL_STARTUP, false);
+            return path.ToString();
+        }
+    }
+}