Thanks for writing and for your question.
I just want to make a note that the issue with not being able to reuse the templates and styles of the controls in Visual Studio and Blend will soon be fixed.
Otherwise, since there is not a direct way of accessing the RadWindow
which is used to show the suggestions of the AutoCompleteBox, you should use a small trickery to find it:
AutoCompleteBoxWindow window = ElementTreeHelper.FindVisualDescendant<
window.OpenAnimation = null;
When you find it, you simply need to set the OpenAnimation
to null to stop the windows from animating.
You can do this in the Loaded
event of your page where the AutoCompleteBox resides.
I hope this helps.
All the best,
the Telerik team
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