# DGNLAYERS Command [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) **Function Description:** This command is used to control the display of layers in a DGN underlay. After selecting a DGN underlay, the [Underlay Layers dialog box](Help%20System/GSTARCAD/2027/Commands/Underlay%20Layers%20Dialog%20Box--2440f0def9.md) is displayed. **Command Access:** > **Icon:** ![](Help%20System/GSTARCAD/2027/assets/aca3e1345eb3b3856ca04e16435510c68518055085c460632014c7c790ea8a63.png) > **Menu:** / > **Ribbon:** / > **Toolbar:** / > **Command:** DGNLAYERS > **Alias:** / **Command Prompts:** ``` Select DGN underlay: ``` --- **Related References：** - [Commands about Underlays (GstarCAD 2026)](../../2026/Commands/00%20Command%20Groups/Commands%20about%20Underlays.md) **Related Tasks：** - [To Show and Hide Underlay Frames (GstarCAD 2026)](../../2026/Commands/01%20Procedures/To%20Show%20and%20Hide%20Underlay%20Frames.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/DGNLAYERS.html) · © Gstarsoft Co., Ltd.