Public Overloads Sub UnionAsync( _
   ByVal SpatialReference As SpatialReference, _
   ByVal InGeometryArray() As Geometry, _
   ByVal userState As Object _
) 

Dim instance As GeometryServerProxy
Dim SpatialReference As SpatialReference
Dim InGeometryArray() As Geometry
Dim userState As Object
 
instance.UnionAsync(SpatialReference, InGeometryArray, userState)

public void UnionAsync( 
   SpatialReference SpatialReference,
   Geometry[] InGeometryArray,
   object userState
)