Gauge Class

Package: GHIElectronics.Endpoint.UI
Namespace: GHIElectronics.Endpoint.UI

Radial dial with a needle. Not a standard .NET widget: the API mirrors TinyCLR's Gauge. SweepAngle is 180/270/360 degrees.

public class Gauge : Widget

Constructors

Gauge(Widget parent, int width, int height)

public Gauge(Widget parent, int width, int height)

Create a gauge inside parent.

Parameter	Type	Description
parent	Widget	Containing widget.
width	int	Width in pixels.
height	int	Height in pixels.

Properties

EnableScale

public bool EnableScale { get; set; }

Whether tick marks and labels are drawn around the dial. Getter returns the last value set.

Returns bool

SweepAngle

public int SweepAngle { get; set; }

Total sweep in degrees (typically 180, 270, or 360). Getter returns the last value set.

Returns int

Value

public int Value { get; set; }

Current needle value. Getter returns the last value set (LVGL has no read-back).

Returns int

Methods

SetNeedleShape(double centerY, double length)

public void SetNeedleShape(double centerY, double length)

Needle center-Y (0..1 of height) and length (0..1 of half min dimension).

SetRange(int min, int max)

public void SetRange(int min, int max)

Set the value range mapped onto the dial.

Parameter	Type	Description
min	int	Value shown at the start of the sweep.
max	int	Value shown at the end of the sweep.