ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / MapView Class / ZoomInFixed Method
The amount of time to navigate the view to the new camera position. If null it uses the default navigation duration.
Example Version

ZoomInFixed Method
Zoom the Camera in by a fixed amount. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public bool ZoomInFixed( 
   Nullable<TimeSpan> duration
)

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
ExceptionDescription
This method or property must be called within the lambda passed to QueuedTask.Run.
Example
Fixed Zoom In
public Task<bool> ZoomInFixed()
{
  return QueuedTask.Run(() =>
  {
    //Get the active map view.
    var mapView = MapView.Active;
    if (mapView == null)
      return false;

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

public Task<bool> ZoomInFixedAsync()
{
  //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.ZoomInFixedAsync();
}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also