How to display a “loading” overlay on windows forms while the form is loading its controls (or updating them)?

Question

I\'m looking for an effective way to notify the user that a given form is currently loading (or updating) it\'s UI and it will take few seconds.

This may occurs at i

Answer 1

Use a ProgressBar with marquee or blocks style.

http://msdn.microsoft.com/en-us/library/system.windows.forms.progressbar.aspx