# CAPTURETHUMBNAILS System Variable [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [System Variables](Help%20System/GSTARCAD/2017/System%20Variables/(System%20Variables).md) → [C](Help%20System/GSTARCAD/2017/System%20Variables/C/(C).md) ## Function Description: The CAPTURETHUMBNAILS system variable is used to specify whether and when display the captured thumbnails for play back tools. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 1 | | Range | 0,1,2 | ## System Variable Value: **0:**do not generate preview thumbnails if the view changed outside the SteeringWheels **1:** preview thumbnails are generated on demand for the play back tools when the bracket is positioned over an empty frame **2:** preview thumbnails are automatically generated after each view change occurs --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/C/CAPTURETHUMBNAILS%20System%20Variable.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/System%20Variables/C/CAPTURETHUMBNAILS%20System%20Variable.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/C/CAPTURETHUMBNAILS%20System%20Variable.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/System%20Variables/C/CAPTURETHUMBNAILS%20System%20Variable.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/C/CAPTURETHUMBNAILS%20System%20Variable.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/C/CAPTURETHUMBNAILS%20System%20Variable.md)