树,设置CheckBox的状态
2016-02-20 17:05:52 访问(1850) 赞(0) 踩(0)
/// <summary>
/// 树,设置CheckBox的状态
/// </summary>
/// <param name="tv"></param>
protected void TreeViewReSetCheckedStatus(TreeView tv)
{
foreach (TreeNode tn in tv.Nodes)
{
TreeViewReSetCheckedStatusByGetTreeNodeChecked(tn);
}
}
/// <summary>
/// 树设置选中效果
/// </summary>
/// <param name="pNode"></param>
/// <returns></returns>
protected bool TreeViewReSetCheckedStatusByGetTreeNodeChecked
(
TreeNode pNode
)
{
if (pNode.Nodes.Count == 0)
{
return pNode.Checked;
}
bool bFlag = false;
bool hadChecked = false;
bool hadNoChecked = false;
foreach (TreeNode tn in pNode.Nodes)
{
bFlag = TreeViewReSetCheckedStatusByGetTreeNodeChecked(tn);
if (bFlag)
{
hadChecked = true;
}
else
{
hadNoChecked = true;
}
}
if (hadNoChecked)
{
pNode.Checked = false;
}
else
{
pNode.Checked = hadChecked;
}
return pNode.Checked;
}
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树,设置CheckBox的状态 


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