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How to resolve "The visual tree has been changed during a 'VisualTreeChanged' event" exception occurs when DockingManager control is used in Visual Studio 2017 and Windows 10 OS combination?

You may face “System.InvalidOperationException: The visual tree has been changed during a 'VisualTreeChanged' event.” when using Syncfusion DockingManager control in Visual Studio 2017 application and Windows 10 OS Combination. This is not problem with Syncfusion DockingManager and it has been discussed in this Microsoft Developer community article.


As explained in Microsoft Developer community, you can resolve this by following below steps.


1. Select the Microsoft Visual Studio 2017 Options from the menu (Tools -> Options)   

2. Select General under Debugging option.

3. Uncheck Enable UI Debugging Tools for XAML.



Article ID: Published Date: Last Revised Date: Platform: Control:
9220 08/27/2018 08/27/2018 WPF DockingManager
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