/// <summary>
/// 递归展开结点
/// </summary>
/// <param name="treeNodes">TreeView.TreeNodeCollection</param>
/// <param name="currentDepth">当前已展开的深度</param>
/// <param name="depth">要展开的深度</param>
private static void ExpandDepth(TreeNodeCollection treeNodes, int currentDepth, int depth)
{
if (currentDepth > depth)
{
return;
}
foreach (TreeNode node in treeNodes)
{
node.Expand();
TreeViewZ.ExpandDepth(node.Nodes, ++currentDepth, depth);
currentDepth--;
}
}
/// <summary>
/// 展开树深度
/// </summary>
/// <param name="tree">当前的树</param>
/// <param name="depth">要展开的深度</param>
public static void ExpandDepth(TreeView tree, int depth)
{
TreeViewZ.ExpandDepth(tree.Nodes, 0, depth - 1);
}
