I have the following problem: i have a .net (C#) app and a Windows Installer project to deploy it. Now i want this Installer project be able not just to install the app onto a 'bare' client machine, but also to check if some previous version of the app has been already installed and update it if necessary.
At first glance, this problem seems as very common and easy to find solution for, but, surprisingly, Google says nothing about it. If somebody knows at least where to look for a solution - i'ld be very grateful for a help.
For Each ctrl As Control In Me.Controls("pnlMainPanel").Controls
If ctrl.GetType Is GetType(System.Windows.Forms.Panel) Then
For Each subCtrl As Control In ctrl.Controls
If subCtrl.GetType Is GetType(System.Windows.Forms.TextBox) Then
If subCtrl.GetType Is ...