TTMSFNCRangeSlider.OnBeforeDrawThumb Event

Fires before a thumb is drawn, allowing custom rendering or suppression of the default draw.

API unit family: TMSFNCRangeSlider Declaring type: TTMSFNCRangeSlider Inherited from: TTMSFNCCustomRangeSlider

Syntax

FMX.TMSFNCRangeSlider.hppPascalC++

OnBeforeDrawThumb: TTMSFNCCustomRangeSliderBeforeDrawThumbEvent;

__property TTMSFNCCustomRangeSliderBeforeDrawThumbEvent OnBeforeDrawThumb = {read=FOnBeforeDrawThumb, write=FOnBeforeDrawThumb};