# Object Grip Edition (Polyline Enhancement) [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [User Guide](Help%20System/GSTARCAD/2021/User%20Guide/(User%20Guide).md) → [Additional Pages](Help%20System/GSTARCAD/2021/User%20Guide/Additional%20Pages/(Additional%20Pages).md) <!-- help-structure:notice --> > **Source status:** This source topic has 3 recorded inherited issue(s). [Source issue details](../../Source%20Issues.md). <!-- /help-structure:notice --> Polyline objects in GstarCAD 2016 now support multifunctional options. The available functions (Stretch, Add Vertex, and Convert to Arc) can be seen by hovering over a grip, and you can choose an option directly from the context menu that appears. You can cycle through the available functions by pressing CTRL, or choosing one of the options from the right‐click menu. Icons next to the cursor indicate the active function. ![Missing source image: pic/Object Grip Edition 1.jpg](Help%20System/GSTARCAD/2021/assets/missing-source-image.svg) 　　![Missing source image: pic/Object Grip Edition 2.jpg](Help%20System/GSTARCAD/2021/assets/missing-source-image.svg)       ![Missing source image: pic/Object Grip Edition 3.jpg](Help%20System/GSTARCAD/2021/assets/missing-source-image.svg) --- Gstarsoft Co.,Ltd ## Other versions with matching text [GstarCAD 2016](../../../2016/User%20Guide/What%27s%20in%20GstarCAD%202016/Object%20Grip%20Edition%20%28Polyline%20Enhancement%29.md)