capturing an event from one window to another

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I want to control a second window display from a main. In a checkbox from window one I call either a show() or hide method(). I trap the closing method of the second window to prevent it from closing so as to keep the window 2 in memory. How can I use the event of the closing method from window 2 to cause the checkbox from window one to be unchecked?

BTW, this is using WPF

Thanks

Posted 12-Aug-10 6:01am

alleyes

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E.F. Nijboer · Answer 1 · 2010-08-12T06:26:00

Solution 1

You can simply define a delegate and add your own event to form2. form1 can then set that event handler to capture the event.

Here some links on delegates and events:

Events and event handling in C#[^]

http://msdn.microsoft.com/en-us/library/aa645739%28VS.71%29.aspx[^]

You could probably also abuse the form2.OnClosed (.net 1.1) or form2.OnFormClosed (.net 2.0 up) event and add a method of form1 to that event to capture it.

Good luck!

Posted 12-Aug-10 6:26am

E.F. Nijboer

Comments

alleyes 12-Aug-10 12:42pm

If using OnClosed or OnFormClosed, does that not mean the form is no longer available, thereby not setting the Cancel property?

alleyes 12-Aug-10 13:12pm

Reason for my vote of 2
Two examples given that are not in the context of the problem

E.F. Nijboer 12-Aug-10 18:32pm

In that case you could use the OnClosing/OnFormClosing events. By the way, The examples given are simply in case you would create your own event in form2 and use that instead of hooking into the Closing/Closed events.