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Categories / C# / Development Class

 

Use GetValue and SetValue to get and save value to Registry

using System; using Microsoft.Win32; class MainClass {     public static void Main(String[] args) {         string lastUser;         string lastRun;         int runCount;         lastUser = (string)Registry.GetValue(@"HKEY_CURRENT_USER\Software\A\C#","", "Nobody");         if (lastUser == null) {             lastUser = "Nobody";             lastRun = "Never";             runCount = 0;         } else {             lastRun = (string)Registry.GetValue(@"HKEY_CURRENT_USER\Software\A\C#","LastRun", "Never");            runCount = (Int32)Registry.GetValue(                 @"HKEY_CURRENT_USER\Software\A\C#","RunCount", 0);         }         Console.WriteLine("Last user name: " + lastUser);         Console.WriteLine("Last run date/time: " + lastRun);         Console.WriteLine("Previous executions: " + runCount);         Registry.SetValue(@"HKEY_CURRENT_USER\Software\A\C#","", Environment.UserName, RegistryValueKind.String);         Registry.SetValue(@"HKEY_CURRENT_USER\Software\A\C#","LastRun", DateTime.Now.ToString(), RegistryValueKind.String);         Registry.SetValue(@"HKEY_CURRENT_USER\Software\A\C#","RunCount", ++runCount, RegistryValueKind.DWord);     } }