资源简介
使用双缓冲TreeView，listView,实现目录文件浏览，代码简单400行，不闪烁，可显示文件夹不同状态图标，可应用于自定义的文件对话框等，可根据需要自行继续简化。
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Management;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace Disk1
{
public partial class Form1 : Form
{
public static class getIcon
{
[DllImport("Shell32.dll")]
static extern int SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, int cbFileInfo, uint uFlags);
struct SHFILEINFO
{
public IntPtr hIcon;
public int iIcon;
public int dwAttributes;
public char szDisplayName;
public char szTypeName;
}
static public Icon GetFileIcon(string fileName, bool smallIcon)
{
SHFILEINFO fi = new SHFILEINFO();
Icon ic = null;
int iTotal = (int)SHGetFileInfo(fileName, 100, ref fi, 0, (uint)(smallIcon ? 273 : 272));
if (iTotal > 0)
{
ic = Icon.FromHandle(fi.hIcon);
}
return ic;
}
}
public class TreeViewEx : TreeView
{
protected override void OnHandleCreated(EventArgs e)
{
SendMessage(this.Handle, TVM_SETEXTENDEDSTYLE, (IntPtr)TVS_EX_DOUBLEBUFFER, (IntPtr)TVS_EX_DOUBLEBUFFER);
base.OnHandleCreated(e);
}
private const int TVM_SETEXTENDEDSTYLE = 0x1100 44;
private const int TVM_GETEXTENDEDSTYLE = 0x1100 45;
private const int TVS_EX_DOUBLEBUFFER = 0x0004;
[DllImport("user32.dll")]
private static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wp, IntPtr lp);
}
public class ListViewEx : ListView
{
public ListViewEx()
{
SetStyle(ControlStyles.DoubleBuffer | ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint, true);
UpdateStyles();
}
}
TreeViewEx treeView1;
ListViewEx listView1;
public static int BrowNumber = 0, BrowRecord = 0, AssNumber = 0;
public class RecordBrow
{
public string Dir_Name;
public RecordBrow(string _name)
{
Dir_Name = _name;
BrowNumber = 1;
}
}
public static List<RecordBrow> recordBrows = new List<RecordBrow>();
public class FileAssociated
{
public int Id;
public string AssociatedType;
public Bitmap AssociatedIcon;
public FileAssociated(int _id, string _type, Bitmap _icon)
{
Id = _id;
AssociatedType = _type;
AssociatedIcon = _icon;
}
}
public static List<FileAssociated> fileAssociateds = new List<FileAssociated>();
public class DirectoryFile
{
public string Fullname;
public string DFname;
public string DFtype;
public int DFicon;
public string DFtime;
public long DFsize;
public int DFflag;
public DirectoryFile(string _full, string _name, string _type,int _icon, string _time,long _size,int _flag)
{
Fullname = _full;
DFname = _name;
DFtype = _type;
DFicon = _icon;
DFtime = _time;
DFsize = _size;
DFflag = _flag;
}
}
public static List<DirectoryFile> directoryFiles = new List<DirectoryFile>();
public Form1()
{
InitializeComponent();
treeView1 = new TreeViewEx()
{
ItemHeight = 22,
Size = new Size(376, 546),
Location = new Point(12, 41),
Font = new Font("微软雅黑", 9),
ImageList = imageList1,
ShowLines = false,
ShowRootLines = false,
ShowPlusMinus = false,
};
treeView1.NodeMouseClick = treeView1_NodeMouseClick;
this.Controls.Add(treeView1);
listView1 = new ListViewEx()
{
Size = new Size(515, 547),
Location = new Point(442, 40),
Font = new Font("微软雅黑", 9),
View = View.Details,
GridLines = false,
SmallImageList = imageList2,
FullRowSelect = true,
};
listView1.Columns.Add("文件名", 120, HorizontalAlignment.Left);
listView1.Columns.Add("文件类型", 120, HorizontalAlignment.Left);
listView1.Columns.Add("修改时间", 120, HorizontalAlignment.Left);
listView1.Columns.Add("大小", 120, HorizontalAlignment.Left);
listView1.DoubleClick = ListView1_DoubleClick;
this.Controls.Add(listView1);
ManagementObjectCollection queryCollection = getDrives();
treeView1.Nodes.Clear();
foreach (ManagementObject mo in queryCollection)
{
TreeNode node1 = new TreeNode();
node1.Text = mo["Name"].ToString();
node1.Name = mo["Name"].ToString() "\\";
node1.ImageIndex = 0;
node1.Tag = 0;
treeView1.Nodes.Add(node1);
}
get_SubDirFile(treeView1.Nodes[0].Name);
SearchNode(treeView1.Nodes, treeView1.Nodes[0].Name);
recordBrows.Add(new RecordBrow(treeView1.Nodes[0].Name));
}
protected ManagementObjectCollection getDrives()
{
ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT * From Win32_LogicalDisk ");
ManagementObjectCollection queryCollection = query.Get();
return queryCollection;
}
public void get_SubDirFile(string _path)
{
directoryFiles.Clear();
listView1.Items.Clear();
DirectoryInfo dir = new DirectoryInfo(_path);
try
{
DirectoryInfo[] subDirector = dir.GetDirectories();
for (int i = 0; i < subDirector.Length; i )
{
directoryFiles.Add(new DirectoryFile(subDirector[i].FullName, subDirector[i].FullName.Replace(_path, "").Replace("\\", "") ,"文件夹",0 ,
subDirector[i].LastWriteTime.ToShortDateString() subDirector[i].LastWriteTime.ToShortTimeString(),0,0));
}
} catch { }
DirectoryInfo Files = new DirectoryInfo(_path);
try
{
FileInfo[] files = Files.GetFiles("*.*");
for (int i = 0; i < files.Length; i )
{
string _type = GetFileTypeDesection(files[i].Extension);
int img_Index = 0;
var _fa = fileAssociateds.Where(fa=>fa.AssociatedType==_type).ToList();
if (_fa.Count<1)
{
Bitmap _bmp = new Bitmap(20, 20);
Graphics g = Graphics.FromImage(_bmp);
g.DrawImage(getIcon.GetFileIcon(files[i].FullName, true).ToBitmap(),new PointF(2,2));
imageList2.Images.Add(_bmp);
AssNumber = 1;
img_Index = AssNumber;
} else
{
img_Index = _fa[0].Id 1;
}
directoryFiles.Add(new DirectoryFile(files[i].FullName, files[i].FullName.Replace(_path, "").Replace("\\", ""), _type, img_Index,
files[i].LastWriteTime.ToShortDateString() files[i].LastWriteTime.ToShortTimeString(), files[i].Length,1));
}
} catch { }
listView1.BeginUpdate();
for (int i=0;i<directoryFiles.Count;i )
{
ListViewItem lvi = new ListViewItem();
lvi.ImageIndex = directoryFiles[i].DFicon;
lvi.Text = directoryFiles[i].DFname;
lvi.SubItems.Add(directoryFiles[i].DFtype);
lvi.SubItems.Add(directoryFiles[i].DFtime);
if (directoryFiles[i].DFflag==0) lvi.SubItems.Add("");
else lvi.SubItems.Add(directoryFiles[i].DFsize.ToString("N0"));
listView1.Items.Add(lvi);
}
listView1.EndUpdate();
}
public void get_SubDir()
{
if (treeView1.SelectedNode.Nodes.Count < 1)
{
DirectoryInfo dir = new DirectoryInfo(treeView1.SelectedNode.Name);
try
{
DirectoryInfo[] subDirector = dir.GetDirectories();
for (int i = 0; i < subDirector.Length; i )
{
TreeNode node1 = new TreeNode();
node1.Name = subDirector[i].FullName;
node1.Tag = 1;
node1.ImageIndex = 2;
node1.SelectedImageIndex = 2;
DirectoryInfo has_sub = new DirectoryInfo(node1.Name);
try
{
DirectoryInfo[] hasDir = has_sub.GetDirectories();
if (hasDir.Length < 1)
{
node1.ImageIndex = 4;
node1.SelectedImageIndex = 4;
node1.Tag = 4;
}
}
catch
{
node1.ImageIndex = 4;
node1.SelectedImageIndex = 4;
node1.Tag = 4;
}
node1.Text = node1.Name.Replace(treeView1.SelectedNode.Name, "").Replace("\\", "");
treeView1.SelectedNode.Nodes.Add(node1);
}
}
catch { }
}
}
private void SearchNode(TreeNodeCollection tnds, string text)
{
foreach (TreeNode tnd in tnds)
{
if (tnd.Name.Equals(text))
{
treeView1.SelectedNode = tnd;
break;
}
if (tnd.Nodes.Count != 0)
{
SearchNode(tnd.Nodes, text);
}
}
textBox1.Text = text;
treeView1.Focus();
}
private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
{
Cursor = Cursors.WaitCursor;
get_SubDirFile(e.Node.Name);
SearchNode(treeView1.Nodes, e.Node.Name);
get_SubDir();
if (e.Node.Nodes.Count < 1)
{
if ((int)e.Node.Tag == 0)
{
e.Node.SelectedImageIndex = 0;
e.Node.ImageIndex = 0;
}
else
if ((int)e.Node.Tag == 1)
{
e.Node.SelectedImageIndex = 4;
e.Node.ImageIndex = 4;
}
}
else
{
if (e.Node.IsExpanded)
{
e.Node.Collapse();
if ((int)e.Node.Tag == 0)
{
e.Node.SelectedImageIndex = 0;
e.Node.ImageIndex = 0;
}
else
if ((int)e.Node.Tag == 1)
{
e.Node.SelectedImageIndex = 2;
e.Node.ImageIndex = 2;
}
setchild(e.Node);
}
else
{
e.Node.Expand();
if ((int)e.Node.Tag == 0)
{
e.Node.SelectedImageIndex = 1;
e.Node.ImageIndex = 1;
}
else
if ((int)e.Node.Tag == 1)
{
e.Node.SelectedImageIndex = 3;
e.Node.ImageIndex = 3;
}
}
}
Cursor = Cursors.Default;
if (e.Node.Name!=recordBrows[BrowNumber-1].Dir_Name) // 最后浏览记录不相同就记录
{
BrowRecord = 1;
recordBrows.Add( new RecordBrow(e.Node.Name) );
}
}
private void ListView1_DoubleClick(object sender, EventArgs e)
{
var items = listView1.SelectedItems;
Cursor = Cursors.WaitCursor;
int _index = listView1.Items[listView1.SelectedIndices[0]].Index;
if (directoryFiles[_index].DFflag == 0)
{
if (directoryFiles[_index].Fullname != recordBrows[BrowNumber - 1].Dir_Name)
{
BrowRecord = 1;
recordBrows.Add(new RecordBrow(directoryFiles[_index].Fullname));
}
textBox1.Text = directoryFiles[_index].Fullname;
SearchNode(treeView1.Nodes, directoryFiles[_index].Fullname);
get_SubDirFile(directoryFiles[_index].Fullname);
get_SubDir();
}
Cursor = Cursors.Default;
}
private void setchild(TreeNode node)
{
foreach (TreeNode child in node.Nodes)
{
if ((int)child.Tag == 0)
{
child.ImageIndex = 0;
} else
if ((int)child.Tag == 1)
{
child.ImageIndex = 2;
}
setchild(child);
}
}
// 前进
private void button1_Click(object sender, EventArgs e)
{
int _reco = (BrowRecord 1) > (BrowNumber - 1) ? (BrowNumber - 1) : (BrowRecord 1);
if (_reco != BrowRecord)
{
BrowRecord = _reco;
SearchNode(treeView1.Nodes, recordBrows[BrowRecord].Dir_Name);
get_SubDirFile(recordBrows[BrowRecord].Dir_Name);
}
treeView1.Focus();
}
// 后退
private void button2_Click(object sender, EventArgs e)
{
int _reco = (BrowRecord - 1) < 0 ? 0 : (BrowRecord - 1);
if (_reco != BrowRecord)
{
BrowRecord = _reco;
SearchNode(treeView1.Nodes, recordBrows[BrowRecord].Dir_Name);
get_SubDirFile(recordBrows[BrowRecord].Dir_Name);
}
treeView1.Focus();
}
public static string GetFileTypeDesection(string _ext)
{
string value;
try
{
string desc = (string)Registry.ClassesRoot.OpenSubKey(_ext).GetValue(null);
if (desc != null) value = (string)Registry.ClassesRoot.OpenSubKey(desc).GetValue(null);
else value = _ext.Replace(".", "") " 文件";
} catch
{
value = _ext.Replace(".","") " 文件";
}
return value;
}
}
}
代码片段和文件信息
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Management;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace Disk1
{
public partial class Form1 : Form
{
public static class getIcon
{
[DllImport（“Shell32.dll“）]
static extern int SHGetFileInfo（string pszPath uint dwFileAttributes ref SHFILEINFO psfi int cbFileInfo uint uFlags）;
struct SHFILEINFO
{
public IntPtr hIcon;
public int iIcon;
public int dwAttributes;
public char szDisplayName;
public char szTypeName;
}
sta属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
..A..H. 53760 2019-02-03 19:23 Disk1\.vs\Disk1\v15\.suo
文件 0 2019-01-30 08:00 Disk1\.vs\Disk1\v15\Server\sqlite3\db.lock
文件 626688 2019-02-03 11:35 Disk1\.vs\Disk1\v15\Server\sqlite3\storage.ide
文件 32768 2019-02-03 18:55 Disk1\.vs\Disk1\v15\Server\sqlite3\storage.ide-shm
文件 4140632 2019-02-03 19:23 Disk1\.vs\Disk1\v15\Server\sqlite3\storage.ide-wal
文件 189 2019-01-30 08:00 Disk1\Disk1\App.config
文件 27136 2019-02-03 19:23 Disk1\Disk1\bin\Debug\Disk1.exe
文件 189 2019-01-30 08:00 Disk1\Disk1\bin\Debug\Disk1.exe.config
文件 42496 2019-02-03 19:23 Disk1\Disk1\bin\Debug\Disk1.pdb
文件 3645 2019-02-03 19:20 Disk1\Disk1\Disk1.csproj
文件 16223 2019-02-03 19:23 Disk1\Disk1\Form1.cs
文件 5522 2019-02-03 19:20 Disk1\Disk1\Form1.Designer.cs
文件 19639 2019-02-03 19:20 Disk1\Disk1\Form1.resx
文件 1443 2019-02-03 07:54 Disk1\Disk1\obj\Debug\DesignTimeResolveAssemblyReferences.cache
文件 7168 2019-02-03 19:20 Disk1\Disk1\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
文件 42 2019-02-03 19:23 Disk1\Disk1\obj\Debug\Disk1.csproj.CoreCompileInputs.cache
文件 978 2019-02-03 19:23 Disk1\Disk1\obj\Debug\Disk1.csproj.FileListAbsolute.txt
文件 1012 2019-02-03 19:23 Disk1\Disk1\obj\Debug\Disk1.csproj.GenerateResource.cache
文件 27136 2019-02-03 19:23 Disk1\Disk1\obj\Debug\Disk1.exe
文件 9054 2019-02-03 19:23 Disk1\Disk1\obj\Debug\Disk1.Form1.resources
文件 42496 2019-02-03 19:23 Disk1\Disk1\obj\Debug\Disk1.pdb
文件 180 2019-02-03 19:23 Disk1\Disk1\obj\Debug\Disk1.Properties.Resources.resources
文件 0 2019-02-02 08:00 Disk1\Disk1\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
文件 0 2019-02-02 08:00 Disk1\Disk1\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
文件 0 2019-02-02 08:00 Disk1\Disk1\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
文件 517 2019-01-30 08:00 Disk1\Disk1\Program.cs
文件 1308 2019-01-30 08:00 Disk1\Disk1\Properties\AssemblyInfo.cs
文件 2823 2019-01-30 08:00 Disk1\Disk1\Properties\Resources.Designer.cs
文件 5612 2019-01-30 08:00 Disk1\Disk1\Properties\Resources.resx
文件 1092 2019-01-30 08:00 Disk1\Disk1\Properties\Settings.Designer.cs
............此处省略20个文件信息
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