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Categories / C# / Development Class

 

Check Registry to see if it is installed

using System; using Microsoft.Win32; class Utility {     public static bool IsInstalled(string uninstallProductName, string targetMachine)     {         RegistryKey regKey = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, targetMachine);         RegistryKey tempKey;         uninstallProductName = uninstallProductName.Trim().ToLower();         regKey = regKey.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall", false);         foreach (string subKey in regKey.GetSubKeyNames())         {             tempKey = regKey.OpenSubKey(subKey, false);             if (Array.IndexOf(tempKey.GetValueNames(), "DisplayName") >= 0)             {                 if (tempKey.GetValue("DisplayName").ToString().ToLower()                     .StartsWith(uninstallProductName))                 {                     return true;                 }             }         }         // no match         return false;     } }