How to release the memory held by AutomationPeer in WPF components?
Normally, the AutomationPeer support of WPF Components holds some memory and it needs to be released manually. This can be done by using the following steps.
Create a class derived from WindowAutomationPeer and override it's GetChildrenCore method and returns “null” value that clears the AutomationPeer item from memory as follows.
C#
public class FakeWindowsPeer : WindowAutomationPeer
{
public FakeWindowsPeer(Window window)
: base(window)
{ }
protected override List<AutomationPeer> GetChildrenCore()
{
return null;
}
}
Now override the OnCreateAutomationPeer of the window and it returns the class as follows.
C#
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
protected override AutomationPeer OnCreateAutomationPeer()
{
return new FakeWindowsPeer(this);
}
}
This will disable automation peers.
Conclusion
I hope you enjoyed learning about how release the memory held by AutomationPeer in WPF Components.
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