Share Email Facebook Twitter LinkedIn LinearGeneralDimension.ExtensionLineOneVisible Property Parent Object: LinearGeneralDimension Description Gets and sets whether the first extension line is visible. Syntax LinearGeneralDimension.ExtensionLineOneVisible() As Boolean Property Value This is a read/write property whose value is a Boolean. Version Introduced in version 2011 © Copyright 2025 Autodesk, Inc. Comment on this page.