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  • 递归展开tree所有节点

    public static client void expandTree(FormTreeControl _formTreeControl, TreeItemIdx _treeItemIdx, int _toLevel = 0, int _level = 0)

    {

        FormTreeItem    formTreeItem;

        TreeItemIdx     treeItemIdx = _treeItemIdx;

        int             level       = _level;

     

        while(treeItemIdx)

        {

            formTreeItem = _formTreeControl.getItem(treeItemIdx);

            level++;

     

            if (!formTreeItem.stateExpandedOnce())

            {

                _formTreeControl.expand(formTreeItem.idx());

            }

     

            if (_formTreeControl.getChild(formTreeItem.idx()))

            {

                if (!formTreeItem.children())

                {

                    formTreeItem.children(true);

                    _formTreeControl.setItem(formTreeItem);

                    _formTreeControl.expand(formTreeItem.idx());

                }

     

                if (!_toLevel ||

                    _toLevel > level)

                {

                    SysFormTreeControl::expandTree(_formTreeControl,_formTreeControl.getChild(formTreeItem.idx()), _toLevel, level);

                }

            }

            else

            {

                if (formTreeItem.children())

                {

                    formTreeItem.children(false);

                    _formTreeControl.setItem(formTreeItem);

                }

            }

     

            treeItemIdx = _formTreeControl.getNextSibling(formTreeItem.idx());

        }

    }

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  • 原文地址:https://www.cnblogs.com/perock/p/2291339.html
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