AccessViolationException When I type ALT or TAB C # WINDOWS FORM [closed]

3

I have a form where the Form calls the form (Call), in this Form Call has a list of students and a Panel that is with visible = false, in that same screen I call a class where it makes recognition I have a problem with the following:

See the screens,

Call with panel visible = false:

MakingitTrue

WhenIpressALTorTAB,look

    
asked by anonymous 23.11.2015 / 19:21

0 answers