ArcGIS Pro 2.8 API Reference Guide
SendToBack(IEnumerable<Element>) Method

ArcGIS.Desktop.Layouts Namespace > Layout Class > SendToBack Method : SendToBack(IEnumerable<Element>) Method
The elements to send to the back
Send the elements to the back of their parent's element collection. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public void SendToBack( 
   IEnumerable<Element> elements
)
Public Overloads Sub SendToBack( _
   ByVal elements As IEnumerable(Of Element) _
) 

Parameters

elements
The elements to send to the back
Exceptions
ExceptionDescription
This method or property must be called within the lambda passed to QueuedTask.Run.
elements cannot be null or empty
elements must belong to layout 'URI'
element parents must be the same and non-null
Remarks
Refer to CanSendBackward(IEnumerable<Element>) to check whether the elements can be sent back. Element z order can only be changed relative to their parent's element collection. All elements must have the same parent. The bottom element will have a z order of 0 within the element parent's element collection. Check individual element z order with Element.GetZOrder.
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

Layout Class
Layout Members
Overload List