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394

answers:

1

Does routed events in WPF store strong reference to the handler that is attached to them?

+1  A: 

Hello,

If the control author implemented the WeakEvent pattern then yes. I believe the stock controls use this pattern.

UPDATE: They in fact do NOT. Here is a reference on this and other potential performance problems:

http://msdn.microsoft.com/en-us/library/aa970683(VS.85).aspx

Here is a reference on weak events:

http://msdn.microsoft.com/en-us/library/aa970850.aspx

HTH

Colby Africa

Colby Africa
The standard controls did not implement weak event pattern.
ligaz
Oh my... I didn't know that either. I assumed, which is never smart. I just did a bunch of reading on this. Here is a good reference for you on this and other potential performance issues:http://msdn.microsoft.com/en-us/library/aa970683(VS.85).aspxI apologize for the last post.
Colby Africa