DeleteElements(IEnumerable<Element>) Method

In This Topic

Deletes the elements from a page layout. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public void DeleteElements( 
   IEnumerable<Element> elements
)

Public Overloads Sub DeleteElements( _
   Optional ByVal elements As IEnumerable(Of Element) _
)

Parameters

elements: The elements being removed

Exceptions

Exception	Description
ArcGIS.Core.CalledOnWrongThreadException	This method or property must be called within the lambda passed to QueuedTask.Run.
System.ArgumentException	elements must belong to layout 'URI'

Remarks

If elements is null then all elements are deleted.
If a group element is provided in the list of elements to be deleted then the group element and all its children will be deleted.
If a child of a group element is provided in the list in addition to its parent then the parent takes precedence (i.e. the entire group element is deleted and not just that child)

Example

Delete Layout Elements

//on the QueuedTask  
var elementsToRemove = layout.GetSelectedElements();
layout.DeleteElements(elementsToRemove);

Delete an element or elements on a layout

//Delete an element or elements on a layout.

//Perform on the worker thread
QueuedTask.Run(() =>
{
  //Delete a specific element on a layout
  aLayout.DeleteElement(elm);
 
  //Or delete a group of elements using a filter
  aLayout.DeleteElements(item => item.Name.Contains("Clone"));

  //Or delete all elements on a layout
  aLayout.DeleteElements(item => true);
});

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

Reference

Layout Class
Layout Members
Overload List

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