Go with a chevron. It is widely used for collapsing and expanding, and it's rather self explanatory. enter image description here. ... <看更多>

This is used above tree controls generally to expand or collapse all items. (This is different than the library plus icon). ... <看更多>

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our ... ... <看更多>

This video will help you to learn How To Configure Accordion Expand & Collapse Icon.Easy Accordion Pro is the best responsive and drag ... ... <看更多>

SVG icons for the TYPO3 CMS backend. ... TYPO3 ViewHelper. <core:icon identifier="apps-pagetree-category-collapse-all" size="small" /> ... ... <看更多>