c#里面的treeView里面的树形结构跪求大哥大姐拉帮忙解释下

Question

private void ShowFiles(TreeNode MyDirNode)
{//在列表视图中显示指定文件夹下的文件
listView1.Clear();
try
{
foreach (string FileName in Directory.GetFiles((string)MyDirNode.Tag))
{
ListViewItem MyItem = new ListViewItem(FileName);
listView1.Items.Add(MyItem);
}
}
catch
{
}
}
private void ShowDirectories(TreeNode MyDirNode)
{//在树视图中显示指定文件夹下的子文件和文件夹
try
{
if (MyDirNode.Nodes.Count == 0)
{
if (MyDirNode.Parent == null)
{
foreach (string MyDriveName in Directory.GetLogicalDrives())
{
TreeNode MyNode = new TreeNode(MyDriveName);
MyNode.Tag = MyDriveName;
MyDirNode.Nodes.Add(MyNode);
}
}
else
{
foreach (string DirName in Directory.GetDirectories((string)MyDirNode.Tag))
{
TreeNode MyNode = new TreeNode(DirName);
MyNode.Tag = DirName;
MyDirNode.Nodes.Add(MyNode);
}
}
}
}
catch
{
}
}

就这一段,能不能一句一句解释啊,谢谢拉,小弟诚心啊,大哥大姐就教教我吧

Answer 1

看到跪求，就恶心！