Awesome! Thanks so much it worked, This is the equivalent in the Progress ABL
DEFINE VARIABLE txtElement AS Telerik.WinControls.Primitives.TextPrimitive NO-UNDO.
txtElement = CAST(CAST(THIS-OBJECT:twHistory:TabStrip, ToolTabStrip):CaptionElement:Children[2]:Children[3], Telerik.WinControls.Primitives.TextPrimitive).
if VALID-OBJECT(txtElement) THEN
txtElement:TextAlignment = Telerik.WinControls.ContentAlignment:MiddleCenter.