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Hiding Windows

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Message        DanSandbergUCONN          Post subject: Hiding WindowsPosted: 
Fri Nov 16, 2012 1:05 pm                         
Joined: Fri Dec 21, 2007 9:50 am
Posts: 184                Hello - I have a program that calls instances of a 
window when needed and then will close the window when its use is no longer 
needed. Let's say I want to hide all windows that are open, do something else, 
and then show all windows that are open. Is there a way to do this? 

In other words, Window_type1 is set to ImplicitInstance=false. However, the 
user may push a pushbutton (let's call it create_myWindow_type1) that opens an 
instance of Window_type1 in variable myWindow_type1. Now the user pushes 
another pushbutton (lets call it hide_all_windows) and I want it to hide all 
windows. If I include code in the hide_all_windows pushbutton to hide 
myWindow_type1 I will get a nilobjectexception if the hide_all_windows button 
is pushed before the create_myWindow_type1 button is pushed.

Thank you in advance for the help.   
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