实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Runtime.InteropServices;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
private System.Windows.Forms.ImageList TreeImageList;
private System.Windows.Forms.MainMenu mainMenu1;
private System.Windows.Forms.MenuItem menuItem1;
private System.Windows.Forms.ListView listView1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TreeView treeView1;
private System.Windows.Forms.Panel panel2;
private System.Windows.Forms.Panel panel1;
private System.Windows.Forms.Splitter splitter1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.ImageList LisrimageList;
private System.Windows.Forms.ImageList LisrimageList2;
private System.Windows.Forms.StatusBar statusBar1;
private System.Windows.Forms.StatusBarPanel statusBarPanel1;
private System.Windows.Forms.StatusBarPanel statusBarPanel2;
private System.Windows.Forms.MenuItem menuItem2;
private System.Windows.Forms.MenuItem menuItem3;
private System.Windows.Forms.MenuItem menuItem4;
private System.Windows.Forms.MenuItem menuItem5;
private System.Windows.Forms.MenuItem menuItem6;
private System.Windows.Forms.MenuItem menuItem7;
private System.Windows.Forms.Label label1;
//private System.ComponentModel.IContainer components;
public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent();
Icon ic0 = myExtractIcon("%SystemRoot%\\system32\\shell32.dll", 15);
TreeImageList.Images.Add(ic0);
Icon ic1 = myExtractIcon("%SystemRoot%\\system32\\shell32.dll", 5);
TreeImageList.Images.Add(ic1);
Icon ic2 = myExtractIcon("%SystemRoot%\\system32\\shell32.dll", 7);
TreeImageList.Images.Add(ic2);
Icon ic3 = myExtractIcon("%SystemRoot%\\system32\\shell32.dll", 11);
TreeImageList.Images.Add(ic3);
Icon ic4 = myExtractIcon("%SystemRoot%\\system32\\shell32.dll", 3);
TreeImageList.Images.Add(ic4);
Icon ic5 = myExtractIcon("%SystemRoot%\\system32\\shell32.dll", 4);
TreeImageList.Images.Add(ic5);
Icon ic6 = myExtractIcon("%SystemRoot%\\system32\\shell32.dll", 101);
TreeImageList.Images.Add(ic6);
GetDrive();
}
//*************************************************************************************
[DllImport("Shell32.dll")]
public static extern int ExtractIcon(IntPtr h, string strx, int ii);
[DllImport("Shell32.dll")]
public static extern int SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbFileInfo, uint uFlags);
public struct SHFILEINFO
{
public IntPtr hIcon;
public int iIcon;
public uint dwAttributes;
public char szDisplayName;
public char szTypeName;
}
string strFilePath = "";
//*************************************************************************************
protected virtual Icon myExtractIcon(string FileName, int iIndex)
{
try
{
IntPtr hIcon = (IntPtr)ExtractIcon(this.Handle, FileName, iIndex);
if (!hIcon.Equals(null))
{
Icon icon = Icon.FromHandle(hIcon);
return icon;
}
}
catch (Exception ex)
{ MessageBox.Show(ex.Message, "错误提示", 0, MessageBoxIcon.Error); }
return null;
}
//*************************************************************************************
protected virtual void SetIcon(ImageList imageList, string FileName, bool tf)
{
SHFILEINFO fi = new SHFILEINFO();
if (tf == true)
{
int iTotal = (int)SHGetFileInfo(FileName, 0, ref fi, 100, 16640);//SHGFI_ICON|SHGFI_SMALLICON
try
{
if (iTotal > 0)
{
Icon ic = Icon.FromHandle(fi.hIcon);
imageList.Images.Add(ic);
//return ic;
}
}
catch (Exception ex)
{ MessageBox.Show(ex.Message, "错误提示", 0, MessageBoxIcon.Error); }
}
else
{
int iTotal = (int)SHGetFileInfo(FileName, 0, ref fi, 100, 257);
try
{
if (iTotal > 0)
{
Icon ic = Icon.FromHandle(fi.hIcon);
imageList.Images.Add(ic);
//return ic;
}
}
catch (Exception ex)
{ MessageBox.Show(ex.Message, "错误提示", 0, MessageBoxIcon.Error); }
}
// return null;
}
//*************************************************************************************
public void GetDrive()
{
treeView1.ImageList = TreeImageList;
treeView1.BeginUpdate();
treeView1.Nodes.Clear();
TreeNode RootNode = new TreeNode("我的电脑", 0, 0);
treeView1.Nodes.Add(RootNode);
int iImageIndex = 2; int iSelectedIndex = 2;
string[] astrDrives = Directory.GetLogicalDrives();
foreach (string str in astrDrives)
{
if (str == "A:\\")
{ iImageIndex = 1; iSelectedIndex = 1; }
else if (str == "G:\\")
{ iImageIndex = 3; iSelectedIndex = 3; }
else
{ iImageIndex = 2; iSelectedIndex = 2; }
TreeNode tnDrive = new TreeNode(str, iImageIndex, iSelectedIndex);
treeView1.Nodes[0].Nodes.Add(tnDrive);
AddDirectories(tnDrive);
if (str == "C:\\")
{ treeView1.SelectedNode = tnDrive; }
}
treeView1.EndUpdate();
}
//*************************************************************************************
void AddDirectories(TreeNode tn)
{
tn.Nodes.Clear();
string strPath = tn.FullPath;
strPath = strPath.Remove(0, 5);
//获得当前目录
DirectoryInfo dirinfo = new DirectoryInfo(strPath);
DirectoryInfo[] adirinfo;
try
{
adirinfo = dirinfo.GetDirectories();
}
catch
{ return; }
int iImageIndex = 4; int iSelectedIndex = 5;
foreach (DirectoryInfo di in adirinfo)
{
if (di.Name == "RECYCLER" || di.Name == "RECYCLED" || di.Name == "Recycled")
{ iImageIndex = 6; iSelectedIndex = 6; }
else
{ iImageIndex = 4; iSelectedIndex = 5; }
TreeNode tnDir = new TreeNode(di.Name, iImageIndex, iSelectedIndex);
tn.Nodes.Add(tnDir);
}
/**/
/*
//获得当前目录下的所有文件
FileInfo[] dirFiles;
dirFiles=dirinfo.GetFiles();
int iCount=7;
foreach (FileInfo fi in dirFiles)
{
//得到每个文件的图标
string str=fi.FullName;
try
{
SetIcon(TreeImageList,str,false);
}
catch(Exception ex)
{ MessageBox.Show(ex.Message,"错误提示",0,MessageBoxIcon.Error);}
TreeNode tnDir = new TreeNode(fi.Name, iCount, iCount);
tn.Nodes.Add(tnDir);
iCount ;
}
*/
}
//*************************************************************************************
//在大图标、小图标、详细列表切换时调用
protected virtual void ListViewAB(int iii)
{
if (iii == 1)
{
LisrimageList2.ImageSize = new Size(32, 32);
listView1.LargeImageList = LisrimageList2;
if (listView1.View == View.Details || listView1.View == View.SmallIcon)
{ listView1.View = View.LargeIcon; }
}
else if (iii == 2)
{
if (listView1.View == View.Details || listView1.View == View.LargeIcon)
{ listView1.View = View.SmallIcon; }
}
else
{
if (listView1.View == View.LargeIcon || listView1.View == View.SmallIcon)
{ listView1.View = View.Details; }
}
}
//*************************************************************************************
private void treeView1_BeforeExpand_1(object sender, System.Windows.Forms.TreeViewCancelEventArgs e)
{
//base.OnBeforeExpand(e);
treeView1.BeginUpdate();
foreach (TreeNode tn in e.Node.Nodes)
{ AddDirectories(tn); }
treeView1.EndUpdate();
}
//*************************************************************************************
protected virtual void InitList(TreeNode tn)
{
this.statusBarPanel1.Text = "正在刷新文件夹，请稍等..";
this.Cursor = Cursors.WaitCursor;
this.LisrimageList2.Images.Clear();
this.LisrimageList.Images.Clear();
listView1.SmallImageList = LisrimageList;
Icon ic0 = myExtractIcon("%SystemRoot%\\system32\\shell32.dll", 3);
LisrimageList.Images.Add(ic0);
LisrimageList2.Images.Add(ic0);
listView1.Clear();
//设置列表框的表头
listView1.Columns.Add("文件名", 160, HorizontalAlignment.Left);
listView1.Columns.Add("文件大小", 120, HorizontalAlignment.Left);
listView1.Columns.Add("创建时间", 120, HorizontalAlignment.Left);
listView1.Columns.Add("访问时间", 200, HorizontalAlignment.Left);
string strPath = tn.FullPath;
strPath = strPath.Remove(0, 5);
//获得当前目录下的所有文件
DirectoryInfo curDir = new DirectoryInfo(strPath);//创建目录对象。
FileInfo[] dirFiles;
try
{
dirFiles = curDir.GetFiles();
}
catch { return; }
string[] arrSubItem = new string[4];
//文件的创建时间和访问时间。
int iCount = 0; int iconIndex = 1;//用1，而不用0是要让过0号图标。
foreach (FileInfo fileInfo in dirFiles)
{
string strFileName = fileInfo.Name;
//如果不是文件pagefile.sys
if (!strFileName.Equals("pagefile.sys"))
{
arrSubItem[0] = strFileName;
arrSubItem[1] = fileInfo.Length " 字节";
arrSubItem[2] = fileInfo.CreationTime.ToString();
arrSubItem[3] = fileInfo.LastAccessTime.ToString();
}
else
{ arrSubItem[1] = "未知大小"; arrSubItem[2] = "未知日期"; arrSubItem[3] = "未知日期"; }
//得到每个文件的图标
string str = fileInfo.FullName;
try
{
SetIcon(LisrimageList, str, false);
SetIcon(LisrimageList2, str, true);
}
catch (Exception ex)
{ MessageBox.Show(ex.Message, "错误提示", 0, MessageBoxIcon.Error); }
//插入列表项
ListViewItem LiItem = new ListViewItem(arrSubItem, iconIndex);
listView1.Items.Insert(iCount, LiItem);
iCount ;
iconIndex ;
}
strFilePath = strPath;
textBox1.Text = strPath;
this.statusBarPanel1.Text = strPath;
this.statusBarPanel2.Text = "文件数量: " iCount.ToString() "个";
this.Cursor = Cursors.Arrow;
//以下是向列表框中插入目录，不是文件。获得当前目录下的各个子目录。
int iItem = 0;
DirectoryInfo Dir = new DirectoryInfo(strPath);
foreach (DirectoryInfo di in Dir.GetDirectories())
{
ListViewItem LiItem = new ListViewItem(di.Name, 0);
listView1.Items.Insert(iItem, LiItem);
iItem ;
}
}
//*************************************************************************************
protected virtual void InitList2(string strName)
{
this.statusBarPanel1.Text = "正在刷新文件夹，请稍等..";
this.Cursor = Cursors.WaitCursor;
this.LisrimageList2.Images.Clear();
this.LisrimageList.Images.Clear();
listView1.SmallImageList = LisrimageList;
Icon ic0 = myExtractIcon("%SystemRoot%\\system32\\shell32.dll", 3);
LisrimageList.Images.Add(ic0);
LisrimageList2.Images.Add(ic0);
listView1.Clear();
//设置列表框的表头
listView1.Columns.Add("文件名", 160, HorizontalAlignment.Left);
listView1.Columns.Add("文件大小", 120, HorizontalAlignment.Left);
listView1.Columns.Add("创建时间", 120, HorizontalAlignment.Left);
listView1.Columns.Add("访问时间", 200, HorizontalAlignment.Left);
//获得当前目录下的所有文件
DirectoryInfo curDir = new DirectoryInfo(strName);//创建目录对象。
FileInfo[] dirFiles;
try
{
dirFiles = curDir.GetFiles();
}
catch { return; }
string[] arrSubItem = new string[4];
//文件的创建时间和访问时间。
int iCount = 0; int iconIndex = 1;//用1，而不用0是要让过0号图标。
foreach (FileInfo fileInfo in dirFiles)
{
string strFileName = fileInfo.Name;
//如果不是文件pagefile.sys
if (!strFileName.Equals("pagefile.sys"))
{
arrSubItem[0] = strFileName;
arrSubItem[1] = fileInfo.Length " 字节";
arrSubItem[2] = fileInfo.CreationTime.ToString();
arrSubItem[3] = fileInfo.LastAccessTime.ToString();
}
else
{ arrSubItem[1] = "未知大小"; arrSubItem[2] = "未知日期"; arrSubItem[3] = "未知日期"; }
//得到每个文件的图标
string str = fileInfo.FullName;
try
{
SetIcon(LisrimageList, str, false);
SetIcon(LisrimageList2, str, true);
}
catch (Exception ex)
{ MessageBox.Show(ex.Message, "错误提示", 0, MessageBoxIcon.Error); }
//插入列表项
ListViewItem LiItem = new ListViewItem(arrSubItem, iconIndex);
listView1.Items.Insert(iCount, LiItem);
iCount ;
iconIndex ;//必须加在listView1.Items.Insert(iCount,LiItem);
}
strFilePath = strName;//把路径赋值于全局变量strFilePath
textBox1.Text = strName;
this.statusBarPanel2.Text = "文件数量: " iCount.ToString() "个";
this.Cursor = Cursors.Arrow;
//以下是向列表框中插入目录，不是文件。获得当前目录下的各个子目录。
int iItem = 0;//调用listView1.Items.Insert(iItem,LiItem);时用。不能使用iconIndex。
DirectoryInfo Dir = new DirectoryInfo(strName);//创建目录对象。
foreach (DirectoryInfo di in Dir.GetDirectories())
{
ListViewItem LiItem = new ListViewItem(di.Name, 0);
listView1.Items.Insert(iItem, LiItem);
iItem ;
}
}
//*************************************************************************************
private void treeView1_AfterSelect_1(object sender, System.Windows.Forms.TreeViewEventArgs e)
{
if (e.Node.Text == "我的电脑")
{ return; }
InitList(e.Node);
}
//*************************************************************************************
private void button1_Click(object sender, System.EventArgs e)
{
this.panel1.Hide();
}
//*************************************************************************************
private void listView1_ItemActivate(object sender, System.EventArgs e)
{
string str = Path.Combine(strFilePath, listView1.FocusedItem.Text);
try
{
if (listView1.FocusedItem.SubItems.Count > 1)
{ System.Diagnostics.Process.Start(str); }
else
{ InitList2(str); }
}
catch { return; }
}
//*************************************************************************************
private void menuItem3_Click(object sender, System.EventArgs e)
{
this.panel1.Visible = !panel1.Visible;
}
//*************************************************************************************
private void menuItem5_Click(object sender, System.EventArgs e)
{
ListViewAB(1);
}
//*************************************************************************************
private void menuItem6_Click(object sender, System.EventArgs e)
{
ListViewAB(2);
}
//*************************************************************************************
private void menuItem7_Click(object sender, System.EventArgs e)
{
ListViewAB(3);
}
//*************************************************************************************
}
}
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