ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Layouts Namespace / MapFrame Class / SetAutoCamera Method
The auto camera to set
Example Version

SetAutoCamera Method
Sets the auto camera for the map frame display constraints. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public void SetAutoCamera( 
   CIMAutoCamera autoCamera
)

Parameters

autoCamera
The auto camera to set
Exceptions
ExceptionDescription
This method or property must be called within the lambda passed to QueuedTask.Run.
Empty map frame
Map frame contains a scene
Map frame is linked to a map series
Invalid auto camera
Remarks
Use the auto camera to set map frame display constraints. Display constraints are used to set limits on the map extent within the map frame. Refer to Map frame constraints in the Pro product help for more information on constraints. Attempting to set a CIMAutoCamera will fail with an exception in the following situations:
o The map frame is empty or does not contain a 2D map.
o The map frame is currently linked to a layout map series. Refer to IsMapSeriesMapFrame.
o The autoCamera is not valid. Use ValidateAutoCamera.
Example
SetAutoCameraNone
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.None;
if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
SetAutoCameraFixedExtent
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.Fixed;
autoCamera.AutoCameraType = AutoCameraType.Extent;

var mf_extent = mf.GetViewExtent();

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

if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
SetAutoCameraFixedCenter
//Note: run within the QueuedTask
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.Fixed;
autoCamera.AutoCameraType = AutoCameraType.Center;

var camera = mf.GetMapView(LayoutView.Active).Camera;
var center = mf.GetViewCenter();

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

var camera2 = new CIMViewCamera()
{
  Heading = 0,
  Pitch = -90,
  Roll = 0,
  Scale = 21169571,
  X = 855708,
  Y = 1112409,
  Z = double.NaN
};
autoCamera.Camera = camera2;
var states = mf.Map.GetLayersAsFlattenedList().First(l => l.Name == "State_Polygons");
autoCamera.IntersectLayerPath = states.URI;

if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
SetAutoCameraFixedCenterAndScale
//Note: run within the QueuedTask
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.Fixed;
autoCamera.AutoCameraType = AutoCameraType.CenterAndScale;

var camera = mf.GetMapView(LayoutView.Active).Camera;
var center = mf.GetViewCenter();

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

var camera2 = new CIMViewCamera()
{
  Heading = 0,
  Pitch = -90,
  Roll = 0,
  Scale = 21169571,
  X = 1310669.0 + ((400748.5 - 1310669.0) / 2.0),
  Y = 800296.4 + ((1424520.74 - 800296.4) / 2.0),
  Z = double.NaN
};
autoCamera.Camera = camera2;
var states = mf.Map.GetLayersAsFlattenedList().First(l => l.Name == "State_Polygons");
//autoCamera.IntersectLayerPath = states.URI;


if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
SetAutoCameraFixedScale
//Note: run within the QueuedTask
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.Fixed;
autoCamera.AutoCameraType = AutoCameraType.Scale;

var camera = mf.GetMapView(LayoutView.Active).Camera;
var center = mf.GetViewCenter();

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

var camera2 = new CIMViewCamera()
{
  Heading = 0,
  Pitch = -90,
  Roll = 0,
  Scale = 20000571,
  X = 1310669.0 + ((400748.5 - 1310669.0) / 2.0),
  Y = 800296.4 + ((1424520.74 - 800296.4) / 2.0),
  Z = double.NaN
};
autoCamera.Camera = camera2;
var states = mf.Map.GetLayersAsFlattenedList().First(l => l.Name == "State_Polygons");
//autoCamera.IntersectLayerPath = states.URI;

if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
SetAutoCameraLinkedExtent
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.MapFrameLink;
autoCamera.AutoCameraType = AutoCameraType.Extent;
autoCamera.MapFrameLinkName = mapFrameLink;

if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
SetAutoCameraLinkedCenter
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.MapFrameLink;
autoCamera.AutoCameraType = AutoCameraType.Center;
autoCamera.MapFrameLinkName = mapFrameLink;
var states = mf.Map.GetLayersAsFlattenedList().First(l => l.Name == "State_Polygons");
autoCamera.IntersectLayerPath = states.URI;

if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
SetAutoCameraLinkedCenterAndScale
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.MapFrameLink;
autoCamera.AutoCameraType = AutoCameraType.CenterAndScale;
autoCamera.MapFrameLinkName = mapFrameLink;
var states = mf.Map.GetLayersAsFlattenedList().First(l => l.Name == "State_Polygons");
autoCamera.IntersectLayerPath = states.URI;

if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
SetAutoCameraLinkedScale
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.MapFrameLink;
autoCamera.AutoCameraType = AutoCameraType.Scale;
autoCamera.MapFrameLinkName = mapFrameLink;
var states = mf.Map.GetLayersAsFlattenedList().First(l => l.Name == "State_Polygons");
autoCamera.IntersectLayerPath = states.URI;

if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
SetAutoCameraLinkedMapSeriesShape
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.MapSeriesLink;
autoCamera.AutoCameraType = AutoCameraType.Extent;
//autoCamera.MapFrameLinkName = mapFrameLink;
var states = mf.Map.GetLayersAsFlattenedList().First(l => l.Name == "State_Polygons");
autoCamera.IntersectLayerPath = states.URI;

if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
SetAutoCameraLinkedMapSeriesCenter
var layout = LayoutView.Active.Layout;
var mf = layout.GetElementsAsFlattenedList().OfType<MapFrame>()
  .First(mf => mf.Name == mapFrame);
var autoCamera = mf.GetAutoCamera();
autoCamera.Source = AutoCameraSource.MapSeriesLink;
autoCamera.AutoCameraType = AutoCameraType.Center;

var states = mf.Map.GetLayersAsFlattenedList().First(l => l.Name == "State_Polygons");
autoCamera.IntersectLayerPath = states.URI;

if (mf.ValidateAutoCamera(autoCamera) &&
  !mf.IsMapSeriesMapFrame())
  mf.SetAutoCamera(autoCamera);
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also