'Declaration
 
Sub Request( _
   ByVal minZoom As Double, _
   ByVal maxZoom As Double, _
   ByVal lowerLeft As Point, _
   ByVal upperRight As Point, _
   ByVal callback As Action(Of ICollection) _
) 

'Usage
 
Dim instance As IMapVirtualSource
Dim minZoom As Double
Dim maxZoom As Double
Dim lowerLeft As Point
Dim upperRight As Point
Dim callback As Action(Of ICollection)
 
instance.Request(minZoom, maxZoom, lowerLeft, upperRight, callback)

void Request( 
   double minZoom,
   double maxZoom,
   Point lowerLeft,
   Point upperRight,
   Action<ICollection> callback
)

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.

callback

A delegate to call with the elements inside the specified region.

Reference

IMapVirtualSource Interface
IMapVirtualSource Members