# SHOWHIST System Variable [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [System Variables](Help%20System/GSTARCAD/2020/System%20Variables/(System%20Variables).md) → [S](Help%20System/GSTARCAD/2020/System%20Variables/S/(S).md) ## Function Description: The SHOWHIST system variable is used to control the Show History property for solids in a drawing. | | | | --- | --- | | Type | Integer | | Saved in | Drawing | | Initial value | 1 | | Range | 0,1,2 | ## System Variable Value: **0:** set the "Show History" property of all solids to be no(Read only). Replace settings of "Show History" property of all solids. Users could not view original objects for creating solids. **1:** do not replace settings of "Show History" property of all solids. **2:** display all solids history by replacing settings of "Show History" property of all solids.Users could view original objects for creating solids. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/S/SHOWHIST%20System%20Variable.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/S/SHOWHIST%20System%20Variable.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/System%20Variables/S/SHOWHIST%20System%20Variable.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/S/SHOWHIST%20System%20Variable.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/S/SHOWHIST%20System%20Variable.md)