void
AddButton
( const TSharedPtr< const FUICommandI..., const TAttribute< FText >& InLabel..., const TAttribute< FText >& InToolT..., const FSlateIcon& InIconOverride)
Adds a button to a row
( const FText& InLabel, const FText& InToolTip, const FUIAction& UIAction, const FSlateIcon& InIcon, const EUserInterfaceActionType User...)