Search for: KB10376 - Using the DK-ActiveX control to modify the layer extent. The Extent property is an object. The proper method to assign values is as follows: Dim GisUtils as New XGIS_Utils ll.Extent = GisUtils.GisExtent( 0, 0, 100, 100 ) Created: November 21, 2003, Modified: August 05, 2015