Public Function Expand( _
   ByVal expandPercentage As Double, _
   ByVal currentExtent As Envelope _
) As Envelope

Visual Basic (Usage)	Copy Code
Dim instance As Point Dim expandPercentage As Double Dim currentExtent As Envelope Dim value As Envelope   value = instance.Expand(expandPercentage, currentExtent)

public Envelope Expand( 
   double expandPercentage,
   Envelope currentExtent
)

Parameters

expandPercentage

Percentage to expand the Envelope.

currentExtent

Current extent from which to calculate expansion.

Return Value

This method is useful when selecting features near a point. Point and line features cannot be selected directly using a point. Using a small envelope around the point will select nearby features.

The new envelope will be the specified percentage of the input envelope. It will be centered on the current Point object.

Reference