Fix: TabItem.TabStripPlacement is not set for new tab items #13849
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What does the pull request do?
Moves the
TabItem.TabStripPlacemnt
assignment to theTabControl.PrepareContainerForItemOverride
method. The excessiveUpdateTabStripPlacement
method call is also removed, because TabControl refreshes all its containers whenTabStripPlacement
is changed.What is the current behavior?
After this fix, TabControl doesn't apply its TabStripPlacement to items that can be used as containers themselves (the
CreateContainerForItemOverride
method is not called in this case).Checklist