SendBackward(GraphicsLayer,Element) Method

Send the element backward within its parent's element collection. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public static void SendBackward( 
   GraphicsLayer graphicsLayer,
   Element element
)

Public Overloads Shared Sub SendBackward( _
   ByVal graphicsLayer As GraphicsLayer, _
   ByVal element As Element _
)

Parameters

graphicsLayer
element: The element to send backward

Exceptions

Exception	Description
ArcGIS.Core.CalledOnWrongThreadException	This method or property must be called within the lambda passed to QueuedTask.Run.
System.ArgumentNullException	Value cannot be null: element
System.ArgumentException	elements must belong to graphicsLayer

Remarks

Refer to CanSendBackward(GraphicsLayer,Element) to check whether an element can be sent backward. Element z order can only be changed relative to its parent's element collection. The bottom element will have a z order of 0 within the element parent's element collection. Check z order with ArcGIS.Desktop.Layouts.Element.GetZOrder.
The map view displaying the graphics layer should be initialized.

Requirements

Target Platforms: Windows 10, Windows 8.1

Reference

GraphicsLayerExtensions Class
GraphicsLayerExtensions Members
Overload List