Protected Overridable Sub OnPreRenderTile( _
   ByVal resource As IMapResource, _
   ByVal row As Integer, _
   ByVal column As Integer, _
   ByVal level As Integer _
) 

Dim instance As MapHandler
Dim resource As IMapResource
Dim row As Integer
Dim column As Integer
Dim level As Integer
 
instance.OnPreRenderTile(resource, row, column, level)

protected virtual void OnPreRenderTile( 
   IMapResource resource,
   int row,
   int column,
   int level
)