How do you return the focus to the last used control after clicking a button in a winform app?

Question

I\'m working on a windows forms application (C#) where a user is entering data in a form. At any point while editing the data in the form the user can click one of the butt

Answer 1

Create a class called CustomTextBox that inherits from TextBox. It has a static variable called stack. When the textbox loses focus push onto the stack. When you want to find the last focused control then just pop the first item from the stack. Make sure to clear the static Stack variable.