ZoomOutFixed Method—ArcGIS Pro

ZoomOutFixed Method

In This Topic

Zoom the Camera out by a fixed amount. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public bool ZoomOutFixed( 
   Nullable<TimeSpan> duration
)

Public Function ZoomOutFixed( _
   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

Fixed Zoom Out Synchronous

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

    //Zoom out in the map view by a fixed amount.
    return mapView.ZoomInFixed();
  });

}

Fixed Zoom Out

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

    //Zoom out in the map view by a fixed amount.
    return mapView.ZoomOutFixed();
  });
}

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

  //Zoom in the map view by a fixed amount.
  return mapView.ZoomOutFixedAsync();
}

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

Reference

MapView Class
MapView Members

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