void
AddWidget
( const TSharedRef< SWidget >& InWid..., int32 InBatchPriorityGroup, int32 InLayerId, int32 InSecondarySort)
Use the AddWidget with the FSlateInvalidationWidgetSortOrder type parameters instead. Passing FSlateInvalidationWidgetSortOrder()
( const TSharedRef< SWidget >& InWid..., int32 InBatchPriorityGroup, int32 InLayerId, FSlateInvalidationWidgetSortOrder I...)
Add SWidget from the HitTest Grid