public override void RequestSubDirs(TreeViewFolderBrowserHelper helper, TreeNodePath parent, TreeViewCancelEventArgs e)
{
if (!parent.IsSpecialFolder)
{
return;
}
//
Shell32.FolderItem folderItem = ((Shell32.FolderItem)parent.Tag);
//
if (_shell.Shell.NameSpace(Shell32.ShellSpecialFolderConstants.ssfDRIVES).Title == folderItem.Name)
{
FillMyComputer(folderItem, parent.Nodes, helper);
}
else
{
foreach (Shell32.FolderItem fi in ((Shell32.Folder)folderItem.GetFolder).Items())
{
if (!_showAllShellObjects && !fi.IsFileSystem || !fi.IsFolder)
{
continue;
}
//
TreeNodePath node = CreateTreeNode(helper, fi.Name, fi.Path, IsFolderWithChilds(fi), false, true);
node.Tag = fi;
parent.Nodes.Add(node);
}
}
}
protected virtual void AttachSystemImageList(TreeViewFolderBrowserHelper helper)
{
if (_checkboxMode != helper.TreeView.CheckboxBehaviorMode)
{
// checkboxes recreate the control internal
if (this._systemImageList != null)
{
RootKit.Win32.SystemImageListHelper.SetTreeViewImageList(helper.TreeView, _systemImageList, false);
}
}
_checkboxMode = helper.TreeView.CheckboxBehaviorMode;
}
/// <summary>
/// Creates a new node and assigns a icon
/// </summary>
/// <param name="helper"></param>
/// <param name="text"></param>
/// <param name="path"></param>
/// <param name="addDummyNode"></param>
/// <param name="forceChecked"></param>
/// <returns></returns>
protected virtual TreeNodePath CreateTreeNode(TreeViewFolderBrowserHelper helper, string text, string path, bool addDummyNode, bool forceChecked, bool isSpecialFolder)
{
TreeNodePath node = helper.CreateTreeNode(text, path, addDummyNode, forceChecked, isSpecialFolder);
try
{
SetIcon(helper.TreeView, node);
}
catch
{
node.ImageIndex = -1;
node.SelectedImageIndex = -1;
}
return(node);
}
/// <summary>
/// Required designer variable.
/// </summary>
public TreeViewFolderBrowser()
{
InitializeComponent();
// initalize a new helper instance for this tree view.
_helper = new TreeViewFolderBrowserHelper(this);
//
this.ContextMenu = new ContextMenu();
this.ContextMenu.Popup += new EventHandler(OnContextMenu_Popup);
//
this._driveTypes = DriveTypes.NoRootDirectory | DriveTypes.RemovableDisk | DriveTypes.LocalDisk | DriveTypes.NetworkDrive | DriveTypes.CompactDisc | DriveTypes.RAMDisk;
this.RootFolder = Environment.SpecialFolder.MyComputer;
this.CheckboxBehaviorMode = CheckboxBehaviorMode.SingleChecked;
// init bold font
boldFont_ = new Font(this.Font, FontStyle.Bold);
}
public override void RequestRoot(TreeViewFolderBrowserHelper helper)
{
_helper = helper;
AttachSystemImageList(helper);
//
// setup up root node collection
switch (helper.TreeView.RootFolder)
{
case Environment.SpecialFolder.Desktop:
Shell32.Folder2 desktopFolder = (Shell32.Folder2)_shell.GetDesktop();
// create root node <Desktop>
TreeNodePath desktopNode = CreateTreeNode(helper, desktopFolder.Title, desktopFolder.Self.Path, false, false, true);
helper.TreeView.Nodes.Add(desktopNode);
desktopNode.Tag = desktopFolder;
//
Shell32.Folder2 myComputer = (Shell32.Folder2)_shell.Shell.NameSpace(Shell32.ShellSpecialFolderConstants.ssfDRIVES);
foreach (Shell32.FolderItem fi in desktopFolder.Items())
{
if (!fi.IsFolder)
{
continue;
}
//
TreeNodePath node = CreateTreeNode(helper, fi.Name, fi.Path, true, false, true);
node.Tag = fi;
desktopNode.Nodes.Add(node);
//
if (_shell.Shell.NameSpace(Shell32.ShellSpecialFolderConstants.ssfDRIVES).Title == fi.Name)
{
_rootCollection = node.Nodes;
}
}
break;
case Environment.SpecialFolder.MyComputer:
this.FillMyComputer(((Shell32.Folder2)_shell.Shell.NameSpace(Shell32.ShellSpecialFolderConstants.ssfDRIVES)).Self, helper.TreeView.Nodes, helper);
break;
default:
// create root node with specified SpecialFolder
Shell32.Folder2 root = (Shell32.Folder3)_shell.Shell.NameSpace(helper.TreeView.RootFolder);
TreeNodePath rootNode = CreateTreeNode(helper, root.Title, root.Self.Path, true, false, true);
rootNode.Tag = root.Self;
helper.TreeView.Nodes.Add(rootNode);
_rootCollection = rootNode.Nodes;
break;
}
}
public virtual void RequestSubDirs(TreeViewFolderBrowserHelper helper, TreeNodePath parent, TreeViewCancelEventArgs e)
{
if (parent.Path == null)
{
return;
}
//
DirectoryInfo directory = new DirectoryInfo(parent.Path);
// check persmission
new System.Security.Permissions.FileIOPermission(System.Security.Permissions.FileIOPermissionAccess.PathDiscovery, directory.FullName).Demand();
#region *** Added By Mike / MTH ***
//
List <DirectoryInfo> dirList = new List <DirectoryInfo>(directory.GetDirectories());
dirList.Sort(new Comparison <DirectoryInfo>(delegate(DirectoryInfo a, DirectoryInfo b)
{
return(a.Name.CompareTo(b.Name));
}));
#endregion
foreach (DirectoryInfo dir in dirList)
{
if ((dir.Attributes & System.IO.FileAttributes.System) == System.IO.FileAttributes.System)
{
continue;
}
if ((dir.Attributes & System.IO.FileAttributes.Hidden) == System.IO.FileAttributes.Hidden)
{
continue;
}
TreeNodePath newNode = this.CreateTreeNode(helper, dir.Name, dir.FullName, false, ((helper.TreeView.CheckboxBehaviorMode != CheckboxBehaviorMode.None) && (parent.Checked)), false);
parent.Nodes.Add(newNode);
//
try
{
if (dir.GetDirectories().GetLength(0) > 0)
{
newNode.AddDummyNode();
}
}
catch { }
}
}
public override void QueryContextMenuItems(TreeViewFolderBrowserHelper helper, TreeNodePath node)
{
if (!EnableContextMenu)
{
return;
}
//
Shell32.FolderItem fi = node.Tag as Shell32.FolderItem;
if (fi == null)
{
return;
}
//
foreach (Shell32.FolderItemVerb verb in fi.Verbs())
{
if (verb.Name.Length == 0)
{
continue;
}
//
MenuItemShellVerb item = new MenuItemShellVerb(verb);
helper.TreeView.ContextMenu.MenuItems.Add(item);
}
}
public virtual System.Windows.Forms.TreeNodeCollection RequestDriveCollection(TreeViewFolderBrowserHelper helper)
{
switch (helper.TreeView.RootFolder)
{
case Environment.SpecialFolder.Desktop:
return(helper.TreeView.Nodes[0].Nodes[1].Nodes);
default:
return(helper.TreeView.Nodes);
}
}
public virtual void QueryContextMenuItems(TreeViewFolderBrowserHelper helper, TreeNodePath node)
{
}
public virtual void RequestRoot(TreeViewFolderBrowserHelper helper)
{
AttachSystemImageList(helper);
//
bool populateDrives = true;
//
TreeNodeCollection rootNodeCollection;
TreeNodeCollection driveRootNodeCollection;
// setup up root node collection
switch (helper.TreeView.RootFolder)
{
case Environment.SpecialFolder.Desktop:
// create root node <Desktop>
TreeNodePath desktopNode = this.CreateTreeNode(helper, Environment.SpecialFolder.Desktop.ToString(), string.Empty, false, false, true);
helper.TreeView.Nodes.Add(desktopNode);
rootNodeCollection = helper.TreeView.Nodes[0].Nodes;
// create child node <Personal>
string personalDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
rootNodeCollection.Add(this.CreateTreeNode(helper, System.IO.Path.GetFileName(personalDirectory), personalDirectory, true, false, false));
// create child node <MyComuter>
TreeNodePath myComputerNode = this.CreateTreeNode(helper, Environment.SpecialFolder.MyComputer.ToString(), string.Empty, false, false, true);
rootNodeCollection.Add(myComputerNode);
driveRootNodeCollection = myComputerNode.Nodes;
break;
case Environment.SpecialFolder.MyComputer:
rootNodeCollection = helper.TreeView.Nodes;
driveRootNodeCollection = rootNodeCollection;
break;
default:
rootNodeCollection = helper.TreeView.Nodes;
driveRootNodeCollection = rootNodeCollection;
// create root node with specified SpecialFolder
rootNodeCollection.Add(this.CreateTreeNode(helper, System.IO.Path.GetFileName(Environment.GetFolderPath(helper.TreeView.RootFolder)), Environment.GetFolderPath(helper.TreeView.RootFolder), true, false, false));
populateDrives = false;
break;
}
if (populateDrives)
{
// populate local machine drives
foreach (ROOT.CIMV2.Win32.Logicaldisk logicalDisk in ROOT.CIMV2.Win32.Logicaldisk.GetInstances(null, GetWMIQueryStatement(helper.TreeView)))
{
try
{
string name = string.Empty;
string path = logicalDisk.Name + "\\";
name = logicalDisk.Description;
//
name += (name != string.Empty) ? " (" + path + ")" : path;
// add node to root collection
driveRootNodeCollection.Add(this.CreateTreeNode(helper, name, path, true, false, false));
}
catch (Exception doh)
{
throw doh;
}
}
}
}
protected virtual void FillMyComputer(Shell32.FolderItem folderItem, TreeNodeCollection parentCollection, TreeViewFolderBrowserHelper helper)
{
_rootCollection = parentCollection;
ROOT.CIMV2.Win32.Logicaldisk.LogicaldiskCollection logicalDisks = null;
// get wmi logical disk's if we have to
if (helper.TreeView.DriveTypes != DriveTypes.All)
{
logicalDisks = ROOT.CIMV2.Win32.Logicaldisk.GetInstances(null, GetWMIQueryStatement(helper.TreeView));
}
//
foreach (Shell32.FolderItem fi in ((Shell32.Folder)folderItem.GetFolder).Items())
{
// only File System shell objects ?
if (!_showAllShellObjects && !fi.IsFileSystem)
{
continue;
}
// check drive type
if (fi.IsFileSystem && logicalDisks != null)
{
bool skipDrive = true;
foreach (ROOT.CIMV2.Win32.Logicaldisk lg in logicalDisks)
{
if (lg.Name + "\\" == fi.Path)
{
skipDrive = false;
break;
}
}
if (skipDrive)
{
continue;
}
}
// create new node
TreeNodePath node = CreateTreeNode(helper, fi.Name, fi.Path, IsFolderWithChilds(fi), false, true);
node.Tag = fi;
parentCollection.Add(node);
}
}
public override TreeNodeCollection RequestDriveCollection(TreeViewFolderBrowserHelper helper)
{
return(_rootCollection);
}