What does invalidate method do?

Question

What does invalidate method do in winform app?

Invalidate() method comes with six overloaded for

Answer 1

The Invalidate() method will redraw the control. For example if you use a panel 'panel1', which contains a label and a text box, the following code will redraw both the label and text box (by calling the Paint event)

panel1.Invalidate();