# HPASSOC System Variable
[GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [System Variables](Help%20System/GSTARCAD/2021/System%20Variables/(System%20Variables).md) → [H](Help%20System/GSTARCAD/2021/System%20Variables/H/(H).md)
**Function Description:**
The HPASSOC system variable is used to control whether the hatch pattern and fill are associative or not.
| | |
| --- | --- |
| Type | Integer |
| Saved in | Registry |
| Initial value | 1 |
| Range | 0,1 |
**System Variable Value:**
**0:** the hatch pattern and fill have no association with defined boundary objects.
**1:** the hatch pattern and fill have association with defined boundary objects and update with boundary objects.
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## Other versions with matching text
[GstarCAD 2016](../../../2016/System%20Variables/H/HPASSOC%20System%20Variable--24a3c63ec5f4.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/H/HPASSOC%20System%20Variable--24a3c63ec5f4.md) · [GstarCAD 2018](../../../2018/System%20Variables/H/HPASSOC%20System%20Variable--24a3c63ec5f4.md) · [GstarCAD 2019](../../../2019/System%20Variables/H/HPASSOC%20System%20Variable--24a3c63ec5f4.md) · [GstarCAD 2020](../../../2020/System%20Variables/H/HPASSOC%20System%20Variable--24a3c63ec5f4.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/H/HPASSOC%20System%20Variable--24a3c63ec5f4.md)