コード例 #1
0
ファイル: ShellItem.cs プロジェクト: nhannd/Xian
		public ShellItem()
		{
			_rootItem = this;
			try
			{
				// create a PIDL for the Desktop shell item.
				_pidl = new Pidl(Environment.SpecialFolder.Desktop);

				var shInfo = new Native.SHFILEINFO();
				Native.Shell32.SHGetFileInfo((IntPtr) _pidl, 0, out shInfo, (uint) Marshal.SizeOf(shInfo), SHGFI.SHGFI_PIDL | SHGFI.SHGFI_DISPLAYNAME | SHGFI.SHGFI_SYSICONINDEX);

				// get the root IShellFolder interface
				int hResult = Native.Shell32.SHGetDesktopFolder(ref _shellFolder);
				if (hResult != 0)
					Marshal.ThrowExceptionForHR(hResult);

				_displayName = shInfo.szDisplayName;
				_typeName = string.Empty;
				_iconIndex = shInfo.iIcon;
				_isFolder = true;
				_isVirtual = true;
				_hasSubFolders = true;
			}
			catch (Exception ex)
			{
				// if an exception happens during construction, we must release the PIDL now (remember, it's a pointer!)
				if (_pidl != null)
					_pidl.Dispose();
				throw new Exception("Creation of the root namespace shell item failed.", ex);
			}

#if DEBUG
			_instanceCount++;
#endif
		}
コード例 #2
0
ファイル: FolderView.cs プロジェクト: m-berkani/ClearCanvas
			private void Browse(ShellItem destination)
			{
				if (_currentShellItem != destination)
				{
					CancelEventArgs e = new CancelEventArgs();
					if (!_suppressBrowseEvents && this.BeforeBrowse != null)
						this.BeforeBrowse.Invoke(this, e);
					if (e.Cancel)
						return;

					this.SuspendLayout();
					try
					{
						DisposeEach(this.Items);
						this.Items.Clear();

						if (_currentShellItem != null)
							_currentShellItem.Dispose();

						_currentShellItem = destination;

						if (_currentShellItem != null)
							this.PopulateItems();
					}
					catch (PathNotFoundException ex)
					{
						HandleBrowseException(ex);
					}
					catch (Exception ex)
					{
						HandleBrowseException(new IOException("The specified path is inaccessible.", ex));
					}
					finally
					{
						this.ResumeLayout(true);
					}

					if (!_suppressBrowseEvents && this.AfterBrowse != null)
						this.AfterBrowse.Invoke(this, EventArgs.Empty);
				}
			}
コード例 #3
0
ファイル: FolderView.cs プロジェクト: m-berkani/ClearCanvas
			protected override void Dispose(bool disposing)
			{
				if (disposing)
				{
					DisposeEach(this.Items);

					if (_currentShellItem != null)
					{
						_currentShellItem.Dispose();
						_currentShellItem = null;
					}

					if (_rootShellItem != null)
					{
						_rootShellItem.Dispose();
						_rootShellItem = null;
					}

					if (_myDocumentsReferencePidl != null)
					{
						_myDocumentsReferencePidl.Dispose();
						_myDocumentsReferencePidl = null;
					}
				}
				base.Dispose(disposing);
			}
コード例 #4
0
ファイル: FolderView.cs プロジェクト: m-berkani/ClearCanvas
			public FolderListView() : base()
			{
				_currentShellItem = _rootShellItem.Clone();
				_myDocumentsReferencePidl = new Pidl(Environment.SpecialFolder.MyDocuments);

				this.Alignment = ListViewAlignment.SnapToGrid;
				this.AllowColumnReorder = false;
				this.AutoArrange = true;
				this.CheckBoxes = false;
				this.DereferenceLinks = true;
				this.HeaderStyle = ColumnHeaderStyle.Clickable;
				this.HideSelection = false;
				this.LabelEdit = false;
				this.LabelWrap = true;
				this.ListViewItemSorter = new FolderListViewItemComparer();
				this.MultiSelect = true;
				this.Scrollable = true;
				this.Sorting = SortOrder.Ascending;
				this.TileSize = new Size(12*(this.FontHeight + 4), 3*this.FontHeight + 4);
				this.View = View.LargeIcon;
				this.PopulateItems();
			}
コード例 #5
0
ファイル: ShellItem.cs プロジェクト: nhannd/Xian
		public ShellItem(Pidl pidl, ShellItem parentShellItem, bool relativePidl)
		{
			int hResult;

			_rootItem = parentShellItem._rootItem;
			try
			{
				IntPtr tempPidl;
				if (relativePidl)
				{
					_pidl = new Pidl(parentShellItem.Pidl, pidl);
					tempPidl = (IntPtr) pidl; // use the relative one from parameters
				}
				else
				{
					_pidl = pidl.Clone();
					tempPidl = (IntPtr) _pidl; // use the absolute one that we constructed just now
				}

				const Native.SHGFI flags = Native.SHGFI.SHGFI_PIDL // indicates that we're specifying the item by PIDL
				                           | Native.SHGFI.SHGFI_DISPLAYNAME // indicates that we want the item's display name
				                           | Native.SHGFI.SHGFI_SYSICONINDEX // indicates that we want the item's icon's index in the system image list
				                           | Native.SHGFI.SHGFI_ATTRIBUTES // indicates that we want the item's attributes
				                           | Native.SHGFI.SHGFI_TYPENAME; // indicates that we want the item's type name
				Native.SHFILEINFO shInfo = new Native.SHFILEINFO();
				Native.Shell32.SHGetFileInfo((IntPtr) _pidl, 0, out shInfo, (uint) Marshal.SizeOf(shInfo), flags);

				// read item attributes
				Native.SFGAO attributeFlags = (Native.SFGAO) shInfo.dwAttributes;

				// create the item's IShellFolder interface
				if ((attributeFlags & Native.SFGAO.SFGAO_FOLDER) != 0)
				{
					Guid iidIShellFolder = new Guid(IID.IID_IShellFolder);
					if (_pidl == _rootItem._pidl)
					{
						// if the requested PIDL is the root namespace (the desktop) we can't use the the BindToObject method, so get it directly
						hResult = Native.Shell32.SHGetDesktopFolder(ref _shellFolder);
					}
					else
					{
						if (relativePidl)
							hResult = (int) parentShellItem._shellFolder.BindToObject(tempPidl, IntPtr.Zero, ref iidIShellFolder, out _shellFolder);
						else
							hResult = (int) _rootItem._shellFolder.BindToObject(tempPidl, IntPtr.Zero, ref iidIShellFolder, out _shellFolder);
					}

					if (hResult != 0)
					{
						// some objects are marked as folders, but really aren't and thus cannot be bound to an IShellFolder
						// log these events for future study, but it's not exactly something to be concerned about in isolated cases.
						// Marshal.ThrowExceptionForHR(hResult);
						if ((attributeFlags & Native.SFGAO.SFGAO_HASSUBFOLDER) == 0)
							attributeFlags = attributeFlags & ~Native.SFGAO.SFGAO_FOLDER;
					}
				}

				_displayName = shInfo.szDisplayName;
				_typeName = shInfo.szTypeName;
				_iconIndex = shInfo.iIcon;
				_isFolder = (attributeFlags & Native.SFGAO.SFGAO_FOLDER) != 0;
				_isVirtual = (attributeFlags & Native.SFGAO.SFGAO_FILESYSTEM) == 0;
				_hasSubFolders = (attributeFlags & Native.SFGAO.SFGAO_HASSUBFOLDER) != 0;
			}
			catch (Exception ex)
			{
				// if an exception happens during construction, we must release the PIDL now (remember, it's a pointer!)
				if (_pidl != null)
					_pidl.Dispose();
				throw new Exception("Creation of the specified shell item failed.", ex);
			}

#if DEBUG
			_instanceCount++;
#endif
		}
コード例 #6
0
ファイル: ShellItem.cs プロジェクト: nhannd/Xian
		public ShellItem(Pidl pidl, ShellItem parentShellItem) : this(pidl, parentShellItem, true) {}
コード例 #7
0
ファイル: ShellItem.cs プロジェクト: nhannd/Xian
		protected virtual void Dispose(bool disposing)
		{
			if (!_disposed)
			{
#if DEBUG
				--_instanceCount;
#endif

				if (disposing)
				{
					if (_pidl != null)
					{
						_pidl.Dispose();
						_pidl = null;
					}

					if (_rootItem != null)
					{
						// do not dispose this - we don't own it!
						_rootItem = null;
					}
				}

				if (_shellFolder != null)
				{
					// release the IShellFolder interface of this shell item
					Marshal.ReleaseComObject(_shellFolder);
					_shellFolder = null;
				}

				_disposed = true;
			}
		}
コード例 #8
0
ファイル: FolderTree.cs プロジェクト: m-berkani/ClearCanvas
			protected override void Dispose(bool disposing)
			{
				if (disposing)
				{
					DisposeEach(base.Nodes);

					// disposing our top level nodes will also dispose the root shell item for us
					_rootShellItem = null;
				}
				base.Dispose(disposing);
			}
コード例 #9
0
ファイル: FolderTree.cs プロジェクト: m-berkani/ClearCanvas
			public void Dispose()
			{
				DisposeEach(base.Nodes);
				if (_shellItem != null)
				{
					_shellItem.Dispose();
					_shellItem = null;
				}
			}
コード例 #10
0
ファイル: FolderTree.cs プロジェクト: m-berkani/ClearCanvas
			public FolderTreeNode(ShellItem shellItem) : base()
			{
				_shellItem = shellItem;
				this.Text = _shellItem.DisplayName;
				this.ImageIndex = _shellItem.IconIndex;
				this.SelectedImageIndex = _shellItem.IconIndex;

				// if this folder item has children then add a place holder node.
				if (_shellItem.IsFolder && _shellItem.HasSubFolders)
					this.Nodes.Add(new FolderTreeNode());
			}