protected override void OnStartup()
 {
     try
     {
         versionChecker vrs = new versionChecker();
         vrs.checkVersion();
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message + ": " + ex.StackTrace);
     }
     base.OnStartup();
 }
 protected override void OnStartup()
 {
     try
     {
         versionChecker vrs = new versionChecker();
         vrs.checkVersion();
     }
     catch (Exception ex)
     {
         MessageBox.Show( ex.Message +": "+ ex.StackTrace);
     }
     base.OnStartup();
 }