ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Layouts.Events Namespace / LayoutEventHint Enumeration
Example Example Version

LayoutEventHint Enumeration
Specifies the available LayoutEvent hints
Syntax
Members
MemberDescription
MapSeriesPageChanged Map series page changed
MapSeriesRefreshed Map series refreshed
PageChanged Page changed
PropertyChanged Property changed
Example
LayoutEvent_PropertyChanged
//Report the event args when a layout is changed.

//At 2.x - ArcGIS.Desktop.Layouts.Events.LayoutChangedEvent.Subscribe((args) =>
//{
//  System.Windows.MessageBox.Show("LayoutChangedEvent:" +
//  Environment.NewLine +
//  "   arg Layout: " + args.Layout.Name);
//});

ArcGIS.Desktop.Layouts.Events.LayoutEvent.Subscribe((args) =>
{
  var layout = args.Layout;
  if (args.Hint == LayoutEventHint.PropertyChanged)
  {
    System.Diagnostics.Debug.WriteLine($"Layout PropertyChanged: {layout.Name}");
  }
});
LayoutEvent_MapSeries
//Report the event args when the map series properties have changed.

//At 2.x - ArcGIS.Desktop.Layouts.Events.MapSeriesEvent.Subscribe((args) =>
//{
//  System.Windows.MessageBox.Show("MapSeriesEvent:" +
//  Environment.NewLine +
//  "   arg CurrentPageName: " + args.CurrentPageName.ToString() +
//  Environment.NewLine +
//  "   arg CurrentlPageNumber: " + args.CurrentPageNumber.ToString() +
//  Environment.NewLine +
//  "   arg Layout: " + args.Layout.Name +
//  Environment.NewLine +
//  "   arg Type: " + args.Type.ToString());
//});

ArcGIS.Desktop.Layouts.Events.LayoutEvent.Subscribe((args) =>
{
  var layout = args.Layout;
  if (args.Hint == LayoutEventHint.MapSeriesRefreshed ||
    args.Hint == LayoutEventHint.MapSeriesPageChanged)
  {
    var ms = layout.MapSeries;
    System.Diagnostics.Debug.WriteLine($"LayoutEvent {args.Hint.ToString()}: {layout.Name}");
  }
});
LayoutEvent_PageChanged
//Report the event args when a layout page properties are changed.

//At 2.x - ArcGIS.Desktop.Layouts.Events.PageChangedEvent.Subscribe((args) =>
//{
//  System.Windows.MessageBox.Show("PageChangedEvent:" +
//  Environment.NewLine +
//  "   arg Layout: " + args.Layout.Name +
//  Environment.NewLine +
//  "   arg New CIMPage (height): " + args.NewPage.Height.ToString() +
//  Environment.NewLine +
//  "   arg Old CIMPage (height): " + args.OldPage.Height.ToString());
//});

ArcGIS.Desktop.Layouts.Events.LayoutEvent.Subscribe((args) =>
{
  var layout = args.Layout;
  if (args.Hint == LayoutEventHint.PageChanged)
  {
    var cimPage = args.OldPage;
    System.Diagnostics.Debug.WriteLine($"LayoutEvent {args.Hint.ToString()}: {layout.Name}");
  }
});
Inheritance Hierarchy

System.Object
   System.ValueType
      System.Enum
         ArcGIS.Desktop.Layouts.Events.LayoutEventHint

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also