ZoomToFullExtent Method

In This Topic

Zoom the view to the full extent of the map or scene. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public bool ZoomToFullExtent( 
   Nullable<TimeSpan> duration
)

Public Function ZoomToFullExtent( _
   Optional ByVal duration As Nullable(Of TimeSpan) _
) As Boolean

Parameters

duration: The amount of time to navigate the view to the new camera position. If null it uses the default navigation duration.

Return Value

True if the navigation is completed, false if it was interrupted by another view navigation.

Exceptions

Exception	Description
ArcGIS.Core.CalledOnWrongThreadException	This method or property must be called within the lambda passed to QueuedTask.Run.

Example

Zoom To Full Extent Synchronous

public Task<bool> ZoomToFullExtentAsync()
{
  return QueuedTask.Run(() =>
  {
    //Get the active map view.
    var mapView = MapView.Active;
    if (mapView == null)
      return false;

    //Zoom to the map's full extent
    return mapView.ZoomToFullExtent();
  });
}

Zoom To Full Extent

public Task<bool> ZoomToFullExtent()
{
  return QueuedTask.Run(() =>
  {
    //Get the active map view.
    var mapView = MapView.Active;
    if (mapView == null)
      return false;

    //Zoom to the map's full extent
    return mapView.ZoomToFullExtent();
  });
}

public Task<bool> ZoomToFullExtentAsync()
{
  //Get the active map view.
  var mapView = MapView.Active;
  if (mapView == null)
    return Task.FromResult(false);

  //Zoom to the map's full extent
  return mapView.ZoomToFullExtentAsync(TimeSpan.FromSeconds(2));
}

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

Reference

MapView Class
MapView Members

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