I am new to MFC and am working on this existig project in MFC. With this in mind,I have been assigned to add new options on a tab to user(which I have done). But when the user selects an option, the main tab needs to reflect the users selection without clicking a button.For example, On tab 2, there is an edit box and as soon as the user enters "3", the user sholud be able to view this on the main tab without clicking a button on the tab that the user just changed. The main tab has all the options that are on the other tabs but are presented in a list view control. All the other tabs follow this but I have no clue where in the code it is doing this. With this in mind, I want to know how can a tab be updated as soon as a selection is made my a user in another tab. I have looked to see if UpdateData or OnTimer() is allowing this but, do't have no clue. Any help on ths will help!!Thank in advance!!