Toggling Picture Box visibility C#

Question

Why is the picture box control\'s visibility property not working here. I have initially set them to false, so that when the screen loads they are not visible. But then I wish t

Answer 1

Setting the Visible property to true doesn't show the control, it only creates a message that will show it. As long as you are keeping the main thread busy with a Sleep, it will not process any messages, and the controls won't be shown.

You should show the picture boxes and then set up a timer with code that will hide the picture boxes when the timer's tick event is triggered. Then you exit your method so that the main thread can handle the messages that will show the picture boxes.