Actually the title of this article should be entitled “How to use WeakEventManager with ICommand implementations”, but the memory leak title is more exciting (and true) Overview Some WPF controls, such as Buttons, are command sources . A command...

When my team first starting hitting “memory leaks” due to event handlers we investigated a variety of solutions. There are many examples on the web for implementing some kind of weak listener – but interestingly almost all of them have some flaw. In the...

One cool thing about DependencyProperties is the ability to have AttachedDependencyProperties (or Attached Property for short). Regular properties are defined on a type and exist for instances of that type and sub-classes. An Attached Property is defined...

On a WinForms project in the past we were working on scalability and performance. One of the things we discovered was that individually invoking items to the UI thread was a bottleneck. The theory is that the each time one does a BeginInvoke it adds...