ISpeedometerTickInfo.Proportion

Syntax

Proportion: Double;

Description

The Proportion property determines the ratio of height to width of the tick mark.

NOTE. Depending on selected form of tick marks, the given property determines the ratio of various elements of the form. You can see more details in the description of the definite forms of the SpeedometerTickShapes enumerable type.

Example

Executing this example requires a form with the Button1 button and the SpeedometerBox component named SpeedometerBox1.

Sub Button1OnClick(Sender: Object; Args: IMouseEventArgs);

Var

s: ISpeedometer;

v: ISpeedometerView;

ScaleView: ISpeedometerScaleView;

MajTick, MinTick: ISpeedometerTickInfo;

Begin

s := SpeedometerBox1.Speedometer;

v := s.View;

s.BeginUpdate;

ScaleView := v.ScaleViews.Item(0);

MajTick := ScaleView.MajorTickInfo;

MinTick := ScaleView.MinorTickInfo;

//Main

MajTick.Color := GxColor.FromName("Green");

MajTick.Height := 3;

MajTick.Proportion := 0.2;

MajTick.Shape := SpeedometerTickShapes.Rombus;

//Additional

MinTick.Color := GxColor.FromName("Red");

MinTick.Height := 2;

MinTick.Proportion := 0.3;

MinTick.Shape := SpeedometerTickShapes.Rect;

s.EndUpdate;

End Sub Button1OnClick;

If the user presses the button after executing this example, the design of main and additional scale tick marks of the speedometer that is displayed in the SpeedometerBox1 component is changed. The main tick marks are displayed as the green diamond, the diamond side is 3 millimeters, the diamond diagonals ratio is 0,2. The additional tick marks are displayed as red rectangles, the height of rectangle is 2 millimeters, the width and height ratio is 0,3.