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copied!<p>Assuiming that you want to fire the event from your Custom Control, while clicking on the checkBox , and handling it in your implementing class, the following should work.</p> <p>First of all try to remove the template binding with event, though we expect it may work as it works templateBinding DependencyProperty</p> <p>So your XAML will look something as below:</p> <pre><code><DataTemplate> <...> <CheckBox x:Name="myCheckBox" /> <...> </DataTemplate> </code></pre> <p>Now You have to access your checkBox from generic.cs as below:</p> <pre><code> public override void OnApplyTemplate() { base.OnApplyTemplate(); CheckBox myCheckBox= GetTemplateChild("myCheckBox") as CheckBox; } </code></pre> <p>Now You just need to add a event to your Control.</p> <pre><code>public event EventHandler checkBoxChecked; </code></pre> <p>Now this are typically implemented like this:-</p> <pre><code> protected virtual void onCheckBoxChecked(EventArgs e) { var handler = checkBoxChecked; if (handler != null) handler(this, e); } </code></pre> <p>Now in your existing checked events:-</p> <pre><code>myCheckBox.Checked+= (obj, Args) => { onCheckBoxChecked(EventArgs.Empty); } </code></pre> <p>Now in your consuming code or Implementing Application you can do this sort of thing(Assuming your CustomControl Name is myCustomControl):-</p> <pre><code>myCustomControl.checkBoxChecked+=(s, args) => { /* Your Code Here*/ }; </code></pre> <p>Hope this is what you were trying to acomlish. If need anything esle , letz discuss here.</p> <p><strong>Update</strong></p> <p>Well there is detailed discussion about onApplyTemplate and loading the controls and accessing the events outside that class:</p> <p>Have a look:</p> <p><a href="https://stackoverflow.com/questions/2690177/how-to-access-a-button-present-inside-a-custom-control-from-the-implementing-pag">How to Access a Button present inside a Custom Control, from the implementing page?</a></p>

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