Can contain a rich formatted Text. If this property is not null then this formatted Text value overrides auto-generated Text of data label. Auto-generated Text of data label means Text that is managed by ShowSeriesName, ShowValue, ... properties and is formatted with the TextFormatManager.TextFormat property. Read-only ITextFrame....Can contain a rich formatted text. If this property is not null...formatted text value overrides auto-generated text of data label...