Visual Basic (Declaration)
Visual Basic (Usage)
C#

The layers geodataset extent which is a union of the extents of all the items of the layer

Syntax

Visual Basic (Declaration)
Public Overridable ReadOnly Property Extent As IEnvelope

Visual Basic (Usage)	Copy Code
`Dim instance As BaseCustomLayer Dim value As IEnvelope value = instance.Extent`

C#
public virtual IEnvelope Extent {get;}

Remarks

In your inheriting class, consider the following code to calculate the layer's extent: