Enhanced function of Tree control

[wugy11]

What problem does this feature solve?

Tree树形控件右键菜单功能，可CRUD操作节点

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.