Hi
Sebastian,
Thank you for contacting us.
We managed to reproduce the scenario and it looks there is an issue in the current version of RadAutoCompleteBox when the Populate method is called from it's
PreviewMouseLeftButtonDown or
GotFocus events. In that scenario if the DropDown of the control is opened and the parent Window is directly moved that DropDown is not closed. As a workaround you could implement a logic that closes any opened Popup instances when the parent window is moved. To implement such workaround you could use the
LocationChanged event of the Window and in that event simply set the
IsOpen property of any Popup instance that is a child of the RadAutoCompleteBox. The next code snippet show the described workaround:
and in the event handler:
We logged this issue in our
feedback portal where you can track its status. I updated your Telerik points for bringing this to our attention.
Regards,
Vladi
Telerik
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