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PO.NET Setup Project - Changing Registry Settings
 

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  1. PO.NET Setup Project - Changing Registry Settings
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    <p>I have a class that modifies the ProxyEnable and ProxyServer registry keys of Internet Settings. </p> <p>If I use this class in a Console App and run it the value are changed and I can see the changes using regedit.</p> <p>Now the part that doesn't work is I am trying to use this class in an Installer class so that the registry keys are changed during installation of my application.</p> <p>Here is the code for the class:</p> <pre><code>public class ProxySettings { [DllImport("wininet.dll")] public static extern bool InternetSetOption(IntPtr hInternet, int dwOption, IntPtr lpBuffer, int dwBufferLength); public const int INTERNET_OPTION_SETTINGS_CHANGED = 39; public const int INTERNET_OPTION_REFRESH = 37; static bool settingsReturn, refreshReturn; public void EnableProxy(string proxy) { RegistryKey registry = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", true); registry.SetValue("ProxyEnable", 1); registry.SetValue("ProxyServer", proxy); settingsReturn = InternetSetOption(IntPtr.Zero, INTERNET_OPTION_SETTINGS_CHANGED, IntPtr.Zero, 0); refreshReturn = InternetSetOption(IntPtr.Zero, INTERNET_OPTION_REFRESH, IntPtr.Zero, 0); } public void DisableProxy() { RegistryKey registry = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", true); registry.SetValue("ProxyEnable", 0); registry.DeleteValue("ProxyServer", false); settingsReturn = InternetSetOption(IntPtr.Zero, INTERNET_OPTION_SETTINGS_CHANGED, IntPtr.Zero, 0); refreshReturn = InternetSetOption(IntPtr.Zero, INTERNET_OPTION_REFRESH, IntPtr.Zero, 0); } } </code></pre> <p>Here is my Installer class:</p> <pre><code>[RunInstaller(true)] public class WindowsServiceInstaller : Installer { public WindowsServiceInstaller() { ServiceProcessInstaller serviceProcessInstaller = new ServiceProcessInstaller(); ServiceInstaller serviceInstaller = new ServiceInstaller(); //# Service Account Information serviceProcessInstaller.Account = ServiceAccount.LocalSystem; serviceProcessInstaller.Username = null; serviceProcessInstaller.Password = null; //# Service Information serviceInstaller.DisplayName = "Client Service"; serviceInstaller.StartType = ServiceStartMode.Automatic; //# This must be identical to the WindowsService.ServiceBase name //# set in the constructor of WindowsService.cs serviceInstaller.ServiceName = "Client Service"; this.Installers.Add(serviceProcessInstaller); this.Installers.Add(serviceInstaller); } public override void Commit(System.Collections.IDictionary savedState) { base.Commit(savedState); ServiceController controller = new ServiceController("Client Service"); if(controller.Status != ServiceControllerStatus.Running) { controller.Start(); } ProxySettings proxy = new ProxySettings(); proxy.EnableProxy("127.0.0.1:8889"); } public override void Uninstall(System.Collections.IDictionary savedState) { base.Uninstall(savedState); ProxySettings proxy = new ProxySettings(); proxy.DisableProxy(); } } </code></pre> <p>In the override of Commit I am starting the service which works fine but for some reason I don't see the changes to the registry.</p> <p>Just too make sure the class was initializing and firing I added</p> <pre><code>System.Diagnostics.Process.Start("http://www.microsoft.com"); </code></pre> <p>to both the EnableProxy and DisableProxy methods. During the install the website opened and also during uninstall but the registry remained unchanged.</p> <p>What am I doing wrong? Why will it work running as a Console App but not in an Installer?</p>
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