expiry date

Question

Respected Sir How to set 1 month(30 days) expiration of windows application using c#.net please send example application in c#.net

Deepak Saini · Answer

Dear KAUSAL , i dont have any sample of this type of Example .you check this Example on c# corner

KAUSAL MP · Answer

Sir, Please send a sample windows application

Deepak Saini · Answer

Dear Kanusal, this type of problem already solved in c# corner.you will check properly. use this code using System; using System.IO; using Microsoft.Win32; // needed for registry access static class Program { static void Main(string[] args) { int period = 30; // trial period string keyName = "Software\Rano\SomeApp"; long ticks = DateTime.Today.Ticks; RegistryKey rootKey = Registry.CurrentUser; RegistryKey regKey = rootKey.OpenSubKey(keyName); if (regKey == null) // first time app has been used { regKey = rootKey.CreateSubKey(keyName); long expiry = DateTime.Today.AddDays(period).Ticks; regKey.SetValue("expiry", expiry, RegistryValueKind.QWord); regKey.Close(); } else { long expiry = (long)regKey.GetValue("expiry"); regKey.Close(); long today = DateTime.Today.Ticks; if (today > expiry) { Console.WriteLine("Your free trial has expired. Please register to continue using the application"); return; } } // code for rest of application Console.WriteLine("Rest of application continuing ..."); Console.ReadKey(); } }

expiry date

Answers (3)