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//单击绑定文件和文件夹信息
private void treeList_AfterSelect(object sender, TreeViewEventArgs e)
{
TreeNode node = this.treeList.SelectedNode;

this.BindInfo(node);
}

public void ShowTree()
{
TreeNode tn = new TreeNode();
tn.Tag="C:\\";
tn.Text = "C:\\";
treeList.Nodes.Add(tn);

TreeNode tn1 = new TreeNode();
tn1.Tag = "D:\\";
tn1.Text = "D:\\";
treeList.Nodes.Add(tn1);

TreeNode tn2 = new TreeNode();
tn2.Tag = "E:\\";
tn2.Text = "E:\\";
treeList.Nodes.Add(tn2);
}

//将目录绑定到TreeView中
private void BindInfo(TreeNode node)
{
//绑定子目录
DirectoryInfo dir = new DirectoryInfo(node.Tag.ToString());

DirectoryInfo[] dirs = dir.GetDirectories();

foreach (DirectoryInfo di in dirs)
{
TreeNode temp = new TreeNode();
temp.Text = di.Name;
temp.Tag = di.FullName;
node.Nodes.Add(temp);
}

//获取目录下文件列表
FileInfo[] fileInfo = dir.GetFiles();

if (lvList!=null)
{
lvList.Items.Clear();
}
//绑定
foreach (FileInfo item in fileInfo)
{
ListViewItem list = new ListViewItem(item.Name);
list.SubItems.Add((item.Length/1024.0).ToString());
list.SubItems.Add(item.Extension);
list.SubItems.Add(item.FullName);

lvList.Items.Add(list);
}

}

//复制
private void tsmCopy_Click(object sender, EventArgs e)
{
if (this.lvList.SelectedItems.Count == 0)
{
return;
}

//提示用户选择目标文件夹
FolderBrowserDialog fdb = new FolderBrowserDialog();

DialogResult result = fdb.ShowDialog();

//源文件路径
string sourcePath = lvList.SelectedItems[0].SubItems[3].Text;

//目标文件路径
string desPath = null;

//如果正确选择目标位置，执行复制操作
if (result == DialogResult.OK)
{
desPath = fdb.SelectedPath;

//lvList表示显示文件信息的ListView对象
desPath += "\\" + lvList.SelectedItems[0].SubItems[0].Text;

//复制文件
File.Copy(sourcePath,desPath);

MessageBox.Show("复制成功！");

}
}

//删除
private void tsmDele_Click(object sender, EventArgs e)
{
if (this.lvList.SelectedItems.Count == 0)
{
return;
}

FileInfo fi = new FileInfo(lvList.SelectedItems[0].SubItems[3].Text);
fi.Delete();

if (lvList != null)
{
TreeNode node = this.treeList.SelectedNode;
this.BindInfo(node);
}

MessageBox.Show("删除成功！");
}

private void lvList_DoubleClick(object sender, EventArgs e)
{

string path = lvList.SelectedItems[0].SubItems[3].Text;
Process.Start(path);

}