下面是我的代码
DirectoryInfo directoryInfo = new DirectoryInfo(@"C:\Users\Shahul\Documents\Visual Studio 2010\Projects\TreeView\TreeView\bin\FileExplorer");
private void Form1_Load(object sender, EventArgs e)
{
if (Directory.Exists("FileExplorer"))
{
try
{
DirectoryInfo[] directories = directoryInfo.GetDirectories();
foreach (FileInfo file in directoryInfo.GetFiles())
{
if (file.Exists)
{
TreeNode nodes = treeView.Nodes[0].Nodes.Add(file.Name);
}
}
if (directories.Length > 0)
{
foreach (DirectoryInfo directory in directories)
{
TreeNode node = treeView.Nodes[0].Nodes.Add(directory.Name);
node.ImageIndex = node.SelectedImageIndex = 0;
foreach (FileInfo file in directory.GetFiles())
{
if (file.Exists)
{
TreeNode nodes = treeView.Nodes[0].Nodes[node.Index].Nodes.Add(file.Name);
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
当我运行时,我只得到一个空白的树视图表单?无法弄清楚错误是什么?
顺便说一句,这是我在 Stack Overflow 上的第一篇文章。
这应该可以解决你的问题,我在 WinForm 上尝试过:
public Form1()
{
InitializeComponent();
DirectoryInfo directoryInfo = new DirectoryInfo(@"C:\Users\hikuma\Documents\IR");
if (directoryInfo.Exists)
{
treeView1.AfterSelect += treeView1_AfterSelect;
BuildTree(directoryInfo, treeView1.Nodes);
}
}
private void BuildTree(DirectoryInfo directoryInfo, TreeNodeCollection addInMe)
{
TreeNode curNode = addInMe.Add(directoryInfo.Name);
foreach (FileInfo file in directoryInfo.GetFiles())
{
curNode.Nodes.Add(file.FullName, file.Name);
}
foreach (DirectoryInfo subdir in directoryInfo.GetDirectories())
{
BuildTree(subdir, curNode.Nodes);
}
}
private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
{
if(e.Node.Name.EndsWith("txt"))
{
this.richTextBox1.Clear();
StreamReader reader = new StreamReader(e.Node.Name);
this.richTextBox1.Text = reader.ReadToEnd();
reader.Close();
}
}
这是一个如何在富文本框中打开文件的简单示例,它可以改进很多:)。
如果有帮助,您可能想标记为答案或投票:)!!
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