ISpeedometerScales.Item

Syntax

Item(Index: Integer): ISpeedometerScale;

Parameters

Index - index of the scale, which parameters must be obtained.

Description

The Item property returns parameters of the scale, which index is passed by the Index parameter.

Example

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

Sub Button1OnClick(Sender:Object; Args: IMouseEventArgs);
Var
    s: ISpeedometer;
    Scale: ISpeedometerScale;
Begin
    s := SpeedometerBox1.Speedometer;
    s.BeginUpdate;
    Scale := s.Scales.Item(0);
    Scale.MajorTickCount:= 10;
    Scale.MinorTickCount:= 5;
    Scale.MaxValue := 100;
    Scale.MinValue := -100;
    Scale.Precision := 2;
    s.EndUpdate;
End Sub Button1OnClick;

After executing the example, on clicking the button, the parameters of speedometer scale that is displayed in the SpeedometerBox1 component are changed. The minimum and maximum displayed value, the number of major and minor tick marks are determined for the scale. The values on the scale are displayed with a precision up to two decimal places.