FileDataAdapterBase.FileUri Property

SECURITY NOTE

Downloading map data passed through URLs specified by the FileUri property may create security issues. Review the following help topic and learn how to spot, analyze, and prohibit unwanted download requests:

Suppress Control Requests to Download Data from External URLs

Gets or sets a URI that specifies location of a vector data file.

Namespace: DevExpress.XtraMap

Assembly: DevExpress.XtraMap.v23.2.dll

NuGet Package: DevExpress.Win.Map

Declaration

C#

[DefaultValue(null)]
public Uri FileUri { get; set; }

VB.NET

<DefaultValue(Nothing)>
Public Property FileUri As Uri

Property Value

Type	Default	Description
Uri	null	A Uri object that that specifies a path to a vector data file.

Example

To load shape data from a shapefile do the following.

• Create a ShapefileDataAdapter object.
• Specify its ShapefileDataAdapter.FileUri property.
• Assign this object as the VectorItemsLayer.Data property value.

View Example

Form1.cs

    // Create data for the MapLayer.
    MapLayer.Data = CreateData();
private MapDataAdapterBase CreateData() {
    Uri baseUri = new Uri(System.Reflection.Assembly.GetEntryAssembly().Location);

    // Create an adapter to load data from shapefile.
    ShapefileDataAdapter adapter = new ShapefileDataAdapter() {
        FileUri = new Uri(baseUri, filename)
    };

    return adapter;
}

Form1.vb

    ' Create data for the MapLayer.
    MapLayer.Data = CreateData()
Private Function CreateData() As MapDataAdapterBase
    Dim baseUri As New Uri(System.Reflection.Assembly.GetEntryAssembly().Location)

    ' Create an adapter to load data from shapefile.
    Dim adapter As New ShapefileDataAdapter() With {.FileUri = New Uri(baseUri, filename)}

    Return adapter
End Function