Wpf – Visual Studio 2010 – XAML Editor Extraordinarily Slow

devexpressvisual studiovisual studio 2010wpfxaml

Has anyone else experience incredibly slow performance in the XAML editor in VS 2010? If I have a new project with a limited number of files, the performance is fine. However, if I have a project with a larger number of XAML files, the XAML editor hangs intermittently every few seconds, making it almost impossible to use.

I should also note that the performance is only slow in one particular project where I am referencing DevExpress 2010. I am not certain if this is related.

Any suggestions on solutions to this problem would be greatly appreciated.

Chris

Best Answer

In Visual Studio 2012:

Go to 

Tools > Options > TextEditor > XAML > Misc

Check Always open documents in XAML view and uncheck Automatically populate toolbox items.

In Visual Studio 2015, 2017:

Go to

Tools > Options > XAML Designer

uncheck Automatically populate toolbox items.

This fixed my same problem.

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