MapControl.ScrollArea Property

Gets or sets a rectangular area (also called scroll area) that confines the map center point.

Assembly : DevExpress.XtraMap.v25.2.dll

Declaration

C#
VB.NET

csharp

public MapBounds ScrollArea { get; set; }

Public Property ScrollArea As MapBounds

Property Value

Type	Description
MapBounds

The boundaries that specify the area in which the map center point can be moved around.

Remarks

Use this property to limit scroll operations so that the map center point remains within the boundaries. To define these boundaries, specify the coordinates of the area’s top-left and bottom-right corners.

In the following animation, a rectangle depicts the scroll area boundaries and a dot indicates the map center position:

Example

This example specifies a rectangular area that confines the map center point:

C#
VB.NET

csharp

using DevExpress.XtraMap;
using System;
using System.Drawing;
using System.Windows.Forms;
//...
    private void Form1_Load(object sender, EventArgs e) {
        mapControl1.ScrollArea = new DevExpress.Map.MapBounds(
            new GeoPoint(44.568441, -11.877712), 
            new GeoPoint(36.219329, 4.030490));
        mapControl1.CenterPoint = new GeoPoint(40.155242, -2.912869);
        mapControl1.ZoomLevel = 4.5;
    }
//...

Imports DevExpress.XtraMap
Imports System.Windows.Forms
'...
    Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs)
        mapControl1.ScrollArea = New DevExpress.Map.MapBounds(New GeoPoint(44.568441, -11.877712), New GeoPoint(36.219329, 4.030490))
        mapControl1.CenterPoint = New GeoPoint(40.155242, -2.912869)
        mapControl1.ZoomLevel = 4.5
    End Sub
'...