Measurements.CreateRuler(RulerType, IList<CoordPoint>, RulerAppearance) Method

Creates a ruler with the specified type and appearance settings to measure the distance or the area between coordinate points passed as the second parameter.

Namespace: DevExpress.Xpf.Map

Assembly: DevExpress.Xpf.Map.v23.2.dll

NuGet Package: DevExpress.Wpf.Map

Declaration

C#

public MapRuler CreateRuler(
    RulerType rulerType,
    IList<CoordPoint> points,
    RulerAppearance rulerAppearance
)

VB.NET

Public Function CreateRuler(
    rulerType As RulerType,
    points As IList(Of CoordPoint),
    rulerAppearance As RulerAppearance
) As MapRuler

Parameters

Name	Type	Description
rulerType	RulerType	The type of the created ruler.
points	IList<CoordPoint>	Coordinate points between which the ruler measures the distance or area.
rulerAppearance	RulerAppearance	The appearance settings.

Returns

Type	Description
MapRuler	The created ruler.

Remarks

Use an instance of the RulerAppearance class to define appearance options.

The following example changes the ruler’s color and width:

C#

RulerAppearance style = new RulerAppearance();
style.Stroke= Brushes.DarkRed;
style.Fill = Brushes.Red;
style.StrokeStyle = new StrokeStyle() { Thickness = 3};

MapRuler ruler = mapControl1.Measurements.CreateRuler(RulerType.Distance,
                                                      new List<CoordPoint>(){
                                                        new GeoPoint(48.864716, 2.349014),   // Paris
                                                        new GeoPoint(45.46427, 9.18951),     // Milan
                                                        new GeoPoint(48.20849, 16.37208) },  // Vienna
                                                      style); 

VB.NET

Dim style As RulerAppearance = New RulerAppearance()
style.Stroke = Brushes.DarkRed
style.Fill = Brushes.Red
style.StrokeStyle = New StrokeStyle() With {
    .Thickness = 3
}

Dim ruler As MapRuler = mapControl1.Measurements.CreateRuler(RulerType.Distance, 
                                                              New List(Of CoordPoint)() From {
                                                                New GeoPoint(48.864716, 2.349014),   ' Paris
                                                                New GeoPoint(45.46427, 9.18951),     ' Milan
                                                                New GeoPoint(48.20849, 16.37208)},   ' Vienna
                                                              style)