TTMSFNCTrackBar.OnBeforeDrawButton Event

Occurs before an increment or decrement button is drawn.

API unit family: TMSFNCTrackBar Declaring type: TTMSFNCTrackBar Inherited from: TTMSFNCCustomTrackBarBase

Syntax

FMX.TMSFNCTrackBar.hppPascalC++

OnBeforeDrawButton: TTMSFNCCustomTrackBarBaseBeforeDrawButtonEvent;

__property TTMSFNCCustomTrackBarBaseBeforeDrawButtonEvent OnBeforeDrawButton = {read=FOnBeforeDrawButton, write=FOnBeforeDrawButton};