GetViewExtent Method

In This Topic

Gets the current extent of the map frame view. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

Visual Basic (Declaration)
C#

Public Function GetViewExtent() As Envelope

public Envelope GetViewExtent()

Return Value

ArcGIS.Core.Geometry.Envelope or null if the associated map is a scene

Exceptions

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

Remarks

The associated map must be a 2D map or null is returned

Example

SetAutoCameraFixedExtent

{
  var autoCamera = mapFrame.GetAutoCamera();
  autoCamera.Source = AutoCameraSource.Fixed;
  autoCamera.AutoCameraType = AutoCameraType.Extent;

  var mf_extent = mapFrame.GetViewExtent();

  var extent = EnvelopeBuilderEx.CreateEnvelope(
    400748.62, 800296.4, 1310669.05, 1424520.74, mapFrame.Map.SpatialReference);
  autoCamera.Extent = extent;

  if (mapFrame.ValidateAutoCamera(autoCamera) &&
    !mapFrame.IsMapSeriesMapFrame())
    mapFrame.SetAutoCamera(autoCamera);
}

Requirements

Target Platforms: Windows 11 Home, Pro, Enterprise (64 bit)

ArcGIS Pro version: 3.0 or higher.

Reference

MapFrame Class
MapFrame Members

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