12月29每日打卡

简易文件管理系统C#

 

 

namespace 实验4
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
TreeNode myComputerNode = new TreeNode("我的电脑"); treeView1.Nodes.Add(myComputerNode); listViewShow(myComputerNode);
}

private void ListViewShow(TreeNode myComputerNode)
{
throw new NotImplementedException();
}
private void listViewShow(TreeNode dirNode)
{
listView1.Clear();
if (dirNode.Parent == null)
{
foreach (string DrvName in Directory.GetLogicalDrives())
{
ListViewItem aItem = new ListViewItem(DrvName);
listView1.Items.Add(aItem);
}
}
else
{
foreach (string DirName in Directory.GetDirectories((string)dirNode.Tag))
{
ListViewItem aItem = new ListViewItem(DirName);
listView1.Items.Add(aItem);
}
foreach (string fileName in Directory.GetFiles((string)dirNode.Tag))
{
ListViewItem aItem = new ListViewItem(fileName);
listView1.Items.Add(aItem);
}
}
}
private void listViewShow(string dirName)
{
listView1.Clear();
try
{
foreach (string DirName in Directory.GetDirectories(dirName))
{
ListViewItem aItem = new ListViewItem(DirName);
listView1.Items.Add(aItem);
}
foreach (string fileName in Directory.GetFiles(dirName))
{
ListViewItem aItem = new ListViewItem(fileName);
listView1.Items.Add(aItem);
}
}
catch
{
}
}
private void DirTreeShow(TreeNode dirNode)
{
try
{
if (dirNode.Nodes.Count == 0)
{
if (dirNode.Parent == null)
{
foreach (string DrvName in Directory.GetLogicalDrives())
{
TreeNode aNode = new TreeNode(DrvName);
aNode.Tag = DrvName;
dirNode.Nodes.Add(aNode);
}
}
else
{
foreach (string DirName in Directory.GetDirectories((string)dirNode.Tag))
{
TreeNode aNode = new TreeNode(DirName);
aNode.Tag = DirName;
dirNode.Nodes.Add(aNode);
}
}
}
}
catch

{
}
}
private void treeView1_AfterSelect_1(object sender, TreeViewEventArgs e)
{
listViewShow(e.Node);
DirTreeShow(e.Node);
}
private void listView1_DoubleClick(object sender, EventArgs e)
{
foreach (int listIndex in listView1.SelectedIndices)
{
listViewShow(listView1.Items[listIndex].Text);
}
}

private void listView1_SelectedIndexChanged(object sender, EventArgs e)
{
foreach (int listIndex in listView1.SelectedIndices)
{
listViewShow(listView1.Items[listIndex].Text);
}
}

private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
{
listViewShow(e.Node);
DirTreeShow(e.Node);
}
}
}