Fix TreeView CollapseAll
@ -187,7 +187,7 @@ func (n *TreeNode) ExpandAll() *TreeNode {
// CollapseAll collapses this node and all descendent nodes.
func (n *TreeNode) CollapseAll() *TreeNode {
n.Walk(func(node, parent *TreeNode) bool {
n.expanded = false
node.expanded = false
return true
})
return n