# ZOOMWHEEL [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) ## ZOOMWHEEL For different operation habits, we added ZOOMWHEEL in GstarCAD , which toggles zoom operations when you scroll the middle mouse wheel. After starting the zoomwheel command, a prompt message will be displayed\>New current value for ZOOMWHEEL: There are two values (ON/OFF). If you type ON, you will get the following result:  If you type OFF, you will get the following result:  --- Gstarsoft Co.,Ltd ## Other versions with matching text [GstarCAD 2016](../../../2016/User%20Guide/Additional%20Pages/ZOOMWHEEL.md) · [GstarCAD 2017](../../../2017/User%20Guide/Additional%20Pages/ZOOMWHEEL.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/User%20Guide/Additional%20Pages/ZOOMWHEEL.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/User%20Guide/Additional%20Pages/ZOOMWHEEL.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/User%20Guide/Additional%20Pages/ZOOMWHEEL.md)