Request Method (IMapVirtualSource)

In This Topic

Called from VirtualLayer when new items are needed for a map region.

Syntax

Visual Basic
C#

'Declaration
 
Function Request( _
   ByVal minZoom As Double, _
   ByVal maxZoom As Double, _
   ByVal lowerLeft As C1.Win.Interop.Point, _
   ByVal upperRight As C1.Win.Interop.Point _
) As IEnumerable(Of VectorItem)

IEnumerable<VectorItem> Request( 
   double minZoom,
   double maxZoom,
   C1.Win.Interop.Point lowerLeft,
   C1.Win.Interop.Point upperRight
)

Parameters

minZoom: The minimum zoom of the region.
maxZoom: The maximum zoom of the region.
lowerLeft: The lower left coordinate of the region, in geographic coordinates.
upperRight: The upper right coordinate of the region, in geographic coordinates.

Return Value

The items in the region.

Reference

IMapVirtualSource Interface
IMapVirtualSource Members