When implemented by a control, specifies whether a text label should be visible by default when this control is added to a Layout Control.
true if a text label should be visible by default when the control is added to a Layout Control; otherwise, false.
When a control is added to a Layout Control, a layout item is created that displays this control. The layout item can also display a text label. The value retrieved by this property is automatically used to initialize the created layout item's BaseLayoutItem.TextVisible property.