A source of PDF underlay content.
Supported Platforms: Windows only
AcadPdfUnderlay
Object AcadObject AcadEntity AcadUnderlay AcadPdfUnderlay
VBA
Not applicable
VBA
ModelSpace.Item PaperSpace.Item Block.Item SelectionSet.Item Group.Item
These members are part of this object:
| Methods | Properties | Events | 
|---|---|---|
Underlays are similar to raster images, except that users can snap to the content of an underlay. The AcadPdfUnderlay class supports PDF files as underlays to AutoCAD drawings.