TTMSFNCWidgetProgressBeforeDrawProgressSetpointEvent Event Type

Occurs before the progress and setpoint indicators are drawn, allowing a handler to suppress drawing or replace the default rendering.

API unit family: TMSFNCWidgetSetPoint

Parameters

Name	Description
Sender	Control raising the event.
AGraphics	Graphics surface to draw on.
RectCircle	Bounding rectangle of the circular gauge area.
SetPoint	Current setpoint value, in value-range units.
APosition	Current position (value), in value-range units.
alculatedScaledPosition	Position scaled to a 0-100 range for placement on the circle.
CalculatedScaledSetPoint	Setpoint scaled to a 0-100 range for placement on the circle.
CalculatedPositionPointOnCircle	Point on the circle where the position indicator is placed.
CalculatedSetpointPointOnCircle	Point on the circle where the setpoint indicator is placed.
AAllow	Set to False to cancel drawing of the indicators entirely.
ADefaultDraw	Set to False to skip the built-in indicator drawing and render the indicators in the handler instead.