C # resource manager source (with icon display), thinking, orange bird, blade, please come forward.

// ******************************************************** ************************************ [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 int 1Icon; public uint dwattribute; public char szdisplayname; public char sztypename;}

String strhuangpath = ""; // ************************************************** *********************************************************************************** Protected Virtual Icon MyExTracton (String FileName , int Iindex) {Try {INTPTR HICON = (INTPTR) Extracticon (this.handle, filename, IIndex); if (! hicon.equals (null)) {icon icon = icon.fromhandle (hic); return;}} Catch (Exception EX) {MessageBox.show (ex.Mersage, "Error Tips", 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, "Error Tips", 0, MessageBoxicon.Error);}} else {int} FO (FileName, 0, Ref Fi, 100, 257); Try {IF (ITOTAL> 0) {icon icon = icon.fromhandle (fi.hicon); imagelist.images.add (IC); // return} } Catch (exception ex) {messagebox.show (ex.Message, "Error Tips", 0, MessageBoxicon.Error);}} // Return NULL;} // ************* *********************************************************** *********************

Public void getDrive () {TreeView1.imagelist = TreeImageList; TreeView1.BeginUpdate (); TreeView1.nodes.clear ();

Treenode Rootnode = New Treenode ("My Computer", 0, 0); TreeView1.nodes.Add (RootNode); Int iimageIndex = 2; int tent1electedindex = 2; string [] astrives = Directory.getLogicalDrives ();

Foreach (String Str in Astrives) {IF (Str == "A: //") {typeIndex = 1; ISELECTEDINDEX = 1;} else if (str == "g: //") {typeIndex = 3; ISELECTEDEX = 3;} else {typeIndex = 2; ISELECTEDINDEX = 2;}

Treenode Tndrive = New Treenode (Str, IImageIndex, Iselected); 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);

// Get the current directory DirectoryInfo Dirinfo = New DirectoryInfo (StrPath); DirectoryInfo [] AdirInfo; Try {AdirInfo = Dirinfo.getdirectories ();} catch {return;

INT IIMAGEINDEX = 4; ISElectedIndex = 5; Foreach (Di.Name == "Recycler" || di.name == "Recycled" || di.Name == "Recycled") { ISELECTEDINDEX = 6;} else {type {IIMAGEINDEX = 4; ISELECTEDINDEX = 5;}

Treenode Tndir = New Treenode (Di.Name, IIMAGEX, ISELECTEDINDEX); TN.NODES.ADD (TNDIR);

/ * // Get all files in the current directory fileInfo [] Dirfiles; Dirfiles = Dirinfo.getFiles (); int icount = 7;

Foreach (fileInfo fi in dirfiles) {// Get each file icon String str = fi.fullname; try {seticon (TreeImageList, str, false);} catch (exception ex) {messagebox.show (ex.Message, " Error Tips ", 0, MessageBoxicon.Error);} Treenode Tndir = New Treenode (FI.NAME, ICOUNT, ICOUNT); TN.NODES.ADD (TNDIR);

ICOUNT ;} * /} // **************************************************** ***************************************** / / in large icons, small icon, a detailed list of call handover 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.lageicon;}} else if (iii == 2) {if (listview1.view == view.details || listview1.view == View.lageicon) {listview1.view = view.smallicon;}} else {if (listView1.view == view.lageicon || listview1.view == view.smallicon) {listview1.view = view.details;}}} // ******************************************************** ******************************************************* Private void TreeView1_beforeExpand_1 (Object Sender, System.Windows.Forms. TreeViewCanceEventArgs E) {//base.onbeforeexpand (e); TreeView1.BeginUpdate ();

Foreach (Treenode Tn in E.Node.Nodes) {AddDirectories (TN);

TreeView1.Endupdate ();

// ******************************************************** **********************************************

Protected Virtual Void Initlist (THENODE TN) {this.statusbarpanel1.text = "is refreshing folders, please wait ....."; 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 (); // Settings list box's head listView1.columns.add ("File Name", 160, HorizontalaLight.Columns.Add ("File Size", 120, HorizontalaLignment.Left); Listview1.columns.add ("Create Time", 120, Horizontalalignment.Left); ListView1.columns.Add ("Access Time", 200, HorizontalaLight.Left); string strpath = tn.fullpath; strPath = strpath.remove (0 5); // Get all files DirectoryInfo curdir = new directoryInfo (STRPATH); // creates a directory object. FileInfo [] Dirfiles; try {dirfiles = curdir.getfiles ();} catCH {return;}

String [] arrsubitem = new string [4]; // creation time and access time. Int iCount = 0; int iconindex = 1; // uses 1, without 0 is to let the zero icon. foreach (FileInfo fileInfo in dirFiles) {string strFileName = fileInfo.Name; // if not a file pagefile.sys if (strFileName.Equals ( "pagefile.sys")!) {arrSubItem [0] = strFileName; arrSubItem [1] = Fileinfo.Length "bytes"; arrsubitem [2] = fileinfo.creationTime.toString (); arrsubitem [3] = fileinfo.lase {arrsubitem [);} else {arrsubitem [1] = "Unknown size"; arrsubitem [2 ] = "Unknown Date"; arrsubitem [3] = "Unknown Date";

// Get each file icon str = fileinfo.fullname; try {seticon (LisrimageList, Str, False); seticon (LisrimageList2, str, true);} catch (exception ex) {messagebox.show (ex.Message, "Error Tip", 0, MessageBoxicon.Error);

// Insert List Item 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 = "number of files:" iCount.ToString () "th"; this.Cursor = Cursors .Arrow; // The following is to insert a directory in the list box, not a file. Get each subdirectory in the current directory. 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 = "is refreshing folder, please wait ....."; 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 (); // Settings list box's head listView1.columns.add ("File Name", 160, HorizontalaLight.Columns.Add ("File Size", 120, HorizontalaLignment.Left); ListView1.columns.add ("Create Time", 120, Horizontalalightment.Left); ListView1.columns.Add ("Access Time", 200, Horizontalalignment.Left);

// Get all files DirectoryInfo curdir = new directoryInfo (Strname); // creation of directory. FileInfo [] Dirfiles; try {dirfiles = curdir.getfiles ();} catCH {return;}

String [] arrsubitem = new string [4]; // creation time and access time. Int iCount = 0; int iconindex = 1; // uses 1, without 0 is to let the zero icon. foreach (FileInfo fileInfo in dirFiles) {string strFileName = fileInfo.Name; // if not a file pagefile.sys if (strFileName.Equals ( "pagefile.sys")!) {arrSubItem [0] = strFileName; arrSubItem [1] = Fileinfo.Length "bytes"; arrsubitem [2] = fileinfo.creationTime.toString (); arrsubitem [3] = fileinfo.lase {arrsubitem [);} else {arrsubitem [1] = "Unknown size"; arrsubitem [2 ] = "Unknown Date"; Arrsubitem [3] = "Unknown Date";} // Get Each file icon String str = fileinfo.fullname; try {seticon (LisrimageList, Str, False); Seticon (LisrimageList2, Str, True);} catch (exception ex) {messagebox.show (ex.Message, "Error Tips", 0, MessageBoxicon.Error);

// Insert List Item ListViewItem LiItem = New ListViewItem (ArrsubiteM, iconIndex); ListView1.Items.Insert (iCount, LiItem);

iCount ; iconIndex ; // must be added to listview1.Items.insert (iCount, LiItem);} strfilepath = strname; // assign the path to the global variable StrfilePath

TEXTBOX1.TEXT = STRNAME; this.statusbarpanel2.text = "file quantity:" iCount.toString () "one"; this.cursor = cursors.Arrow;

/ / The following is to insert a directory in the list box, not a file. Get each subdirectory in the current directory. IITEM = 0; // Call ListView1.Items.Isert (IIITEM, LiItem); IconIndex cannot be used.

DirectoryInfo Dir = New DirectoryInfo (STRNAME); // Create a directory object. Foreach (DirectoryInfo di in dir.getdirectories ()) {listviewItem LiItem = new listviewItem (Di.Name, 0); listview1.items.insert (IIITEM, LiItem); IIIM ;}

} // ***************************************************************** ***********************************************

Private void TreeView1_AFTERSELECT_1 (Object sender, system.windows e) {if (e.node.text == "My Computer") {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 meneuitem3_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) {listvi EWAB (3);} // *************************************************** *************************************************

}