ElementEventHint Enumeration
ElementEvent_MapFrameActivated_Deactivated
//Report the event args when a map frame is activated or deactivated.
//At 2.x - ArcGIS.Desktop.Layouts.Events.ActivateMapFrameEvent.Subscribe((args) =>
//{
// System.Windows.MessageBox.Show("ActiveMapFrameEvent:" +
// Environment.NewLine +
// " arg IsActivated: " + args.IsActivated.ToString() +
// Environment.NewLine +
// " arg Layout: " + args.Layout.Name +
// Environment.NewLine +
// " arg MapFrame: " + args.MapFrame.Name);
//});
ArcGIS.Desktop.Layouts.Events.ElementEvent.Subscribe((args) =>
{
var mapFrameName = args.Elements[0].Name;
if (args.Hint == ElementEventHint.MapFrameActivated)
{
System.Diagnostics.Debug.WriteLine($"ElementEventHint.MapFrameActivated: {mapFrameName}");
}
else if (args.Hint == ElementEventHint.MapFrameDeactivated)
{
System.Diagnostics.Debug.WriteLine($"ElementEventHint.MapFrameDeactivated: {mapFrameName}");
}
});
ElementEvent_ElementAdded
//Report the event args when an element is added to the layout.
//At 2.x - ArcGIS.Desktop.Layouts.Events.ElementAddedEvent.Subscribe((args) =>
//{
// var elements = args.Elements;
// string elemNames = "null";
// if (elements != null && elements.Count() > 0)
// {
// elemNames = string.Join(",", elements.Select(e => e.Name).ToList());
// }
// System.Windows.MessageBox.Show("ElementAddedEvent:" +
// Environment.NewLine +
// " arg Elements: " + elemNames.ToString() +
// Environment.NewLine +
// " arg Layout: " + args.Layout.Name);
//});
ArcGIS.Desktop.Layouts.Events.ElementEvent.Subscribe((args) =>
{
string elemNames = "null";
if (args.Elements?.Count() > 0)
{
elemNames = string.Join(",", args.Elements.Select(e => e.Name).ToList());
}
if (args.Hint == ElementEventHint.ElementAdded)
{
System.Diagnostics.Debug.WriteLine($"ElementEventHint.ElementAdded: {elemNames}");
}
});
ElementEvent_ElementRemoved
//Report the event args when an element is removed from the layout.
//At 2.x - ArcGIS.Desktop.Layouts.Events.ElementRemovedEvent.Subscribe((args) =>
//{
// var elements = args.Elements;
// string elemNames = "null";
// if (elements != null && elements.Count() > 0)
// {
// elemNames = string.Join(",", elements.Select(e => e.Name).ToList());
// }
// System.Windows.MessageBox.Show("ElementRemovedEvent:" +
// Environment.NewLine +
// " arg Elements: " + elemNames.ToString() +
// Environment.NewLine +
// " arg Layout: " + args.Layout.Name);
//});
ArcGIS.Desktop.Layouts.Events.ElementEvent.Subscribe((args) =>
{
string elemNames = "null";
if (args.Elements?.Count() > 0)
{
elemNames = string.Join(",", args.Elements.Select(e => e.Name).ToList());
}
if (args.Hint == ElementEventHint.ElementRemoved)
{
System.Diagnostics.Debug.WriteLine($"ElementEventHint.ElementRemoved: {elemNames}");
}
});
ElementEvent_PlacementChanged
//Report the event args when an element's placement properties are changed.
//At 2.x - ArcGIS.Desktop.Layouts.Events.ElementsPlacementChangedEvent.Subscribe((args) =>
//{
// var elements = args.Elements;
// string elemNames = "null";
// if (elements != null && elements.Count() > 0)
// {
// elemNames = string.Join(",", elements.Select(e => e.Name).ToList());
// }
// System.Windows.MessageBox.Show("ElementsPlacementChangedEvent:" +
// Environment.NewLine +
// " arg Elements: " + elemNames.ToString() +
// Environment.NewLine +
// " arg Layout: " + args.Layout.Name);
//});
ArcGIS.Desktop.Layouts.Events.ElementEvent.Subscribe((args) =>
{
string elemNames = "null";
if (args.Elements?.Count() > 0)
{
elemNames = string.Join(",", args.Elements.Select(e => e.Name).ToList());
}
if (args.Hint == ElementEventHint.PlacementChanged)
{
System.Diagnostics.Debug.WriteLine($"ElementEventHint.PlacementChanged: {elemNames}");
}
});
ElementEvent_StyleChanged
//Report the event args when an element's style is changed.
//At 2.x - ArcGIS.Desktop.Layouts.Events.ElementStyleChangedEvent.Subscribe((args) =>
//{
// var elements = args.Elements;
// string elemNames = "null";
// if (elements != null && elements.Count() > 0)
// {
// elemNames = string.Join(",", elements.Select(e => e.Name).ToList());
// }
// System.Windows.MessageBox.Show("ElementStyleChangedEvent:" +
// Environment.NewLine +
// " arg Elements: " + elemNames.ToString() +
// Environment.NewLine +
// " arg Layout: " + args.Layout.Name);
//});
ArcGIS.Desktop.Layouts.Events.ElementEvent.Subscribe((args) =>
{
string elemNames = "null";
if (args.Elements?.Count() > 0)
{
elemNames = string.Join(",", args.Elements.Select(e => e.Name).ToList());
}
if (args.Hint == ElementEventHint.StyleChanged)
{
System.Diagnostics.Debug.WriteLine($"ElementEventHint.StyleChanged: {elemNames}");
}
});
ElementEvent_SelectionChanged
//Report the event args when a layout's selection has changed.
//At 2.x - ArcGIS.Desktop.Layouts.Events.LayoutSelectionChangedEvent.Subscribe((args) => {
// var elements = args.Elements;
// string elemNames = "null";
// if (elements != null && elements.Count() > 0)
// {
// elemNames = string.Join(",", elements.Select(e => e.Name).ToList());
// }
// System.Windows.MessageBox.Show("LayoutSelectionChangedEvent:" +
// Environment.NewLine +
// " arg Elements: " + elemNames.ToString() +
// Environment.NewLine +
// " arg Layout: " + args.Layout.Name);
//});
ArcGIS.Desktop.Layouts.Events.ElementEvent.Subscribe((args) =>
{
if (args.Hint == ElementEventHint.SelectionChanged)
{
if (args.Container.GetSelectedElements()?.Count() > 0)
{
var elemNames = string.Join(",", args.Container.GetSelectedElements().Select(e => e.Name).ToList());
System.Diagnostics.Debug.WriteLine($"ElementEventHint.SelectionChanged: {elemNames}");
}
}
});
ElementEvent_PropertyChanged
//Report the event args when an element has been updated.
//At 2.x - ArcGIS.Desktop.Layouts.Events.ElementsUpdatedEvent.Subscribe((args) =>
//{
// var elements = args.Elements;
// string elemNames = "null";
// if (elements != null && elements.Count() > 0)
// {
// elemNames = string.Join(",", elements.Select(e => e.Name).ToList());
// }
// System.Windows.MessageBox.Show("ElementsUpdatedEvent:" +
// Environment.NewLine +
// " arg Elements: " + elemNames.ToString() +
// Environment.NewLine +
// " arg Layout: " + args.Layout.Name);
//});
ArcGIS.Desktop.Layouts.Events.ElementEvent.Subscribe((args) =>
{
string elemNames = "null";
//can be null if the name was changed
if (args.Elements?.Count() > 0)
{
elemNames = string.Join(",", args.Elements.Select(e => e.Name).ToList());
}
else if (args.Container.GetSelectedElements()?.Count() > 0)
{
elemNames = string.Join(",", args.Container.GetSelectedElements().Select(e => e.Name).ToList());
}
if (args.Hint == ElementEventHint.PropertyChanged)
{
System.Diagnostics.Debug.WriteLine($"ElementEventHint.PropertyChanged: {elemNames}");
}
});
System.Object
System.ValueType
System.Enum
ArcGIS.Desktop.Layouts.Events.ElementEventHint
Target Platforms: Windows 11, Windows 10
ArcGIS Pro version: 3 or higher.