protected override void OnDisposeManaged()
{
if (File != null)
{
File.Dispose();
File = null;
}
base.OnDisposeManaged();
}
/// <summary>
/// Load the library using a number of options
/// </summary>
/// <param name="libraryName">The name of the library.</param>
/// <param name="folderPath">The path to the library.</param>
/// <param name="isReadOnly">If <B>true</B>, opens the library in read-only mode.</param>
/// <returns>A ShellLibrary Object</returns>
public static ShellLibrary Load(string libraryName, string folderPath, bool isReadOnly)
{
CoreHelpers.ThrowIfNotWin7();
// Create the shell item path
string shellItemPath = System.IO.Path.Combine(folderPath, libraryName + FileExtension);
ShellFile item = ShellFile.FromFilePath(shellItemPath);
IShellItem nativeShellItem = item.NativeShellItem;
INativeShellLibrary nativeShellLibrary = (INativeShellLibrary) new ShellLibraryCoClass();
AccessModes flags = isReadOnly ?
AccessModes.Read :
AccessModes.ReadWrite;
nativeShellLibrary.LoadLibraryFromItem(nativeShellItem, flags);
ShellLibrary library = new ShellLibrary(nativeShellLibrary);
try {
library.nativeShellItem = (IShellItem2)nativeShellItem;
library.Name = libraryName;
return(library);
} catch {
library.Dispose();
throw;
}
}
internal static void FillCommonData(ShellFile shell, MetaData data)
{
if (shell.IsFileSystemObject)
{
data.Add(new MetaEntry { Name = FileMetaData.ModifiedDate.Name, Value = shell.Properties.GetProperty(SystemProperties.System.DateModified).ValueAsObject });
data.Add(new MetaEntry { Name = FileMetaData.Type.Name, Value = shell.Properties.GetProperty(SystemProperties.System.ItemTypeText).ValueAsObject });
data.Add(new MetaEntry { Name = FileMetaData.Size.Name, Value = shell.Properties.GetProperty(SystemProperties.System.Size).ValueAsObject });
}
}
private VideoInfo(ShellFile shellFile)
{
this.FrameRate = MeasurePlayer.FrameRate.Create(shellFile.Properties.System.Video.FrameRate.Value);
this.Duration = CreateDuration(shellFile.Properties.System.Media.Duration.Value);
}
/// <summary>
/// Creates a ShellFileSystemObject given a native IShellItem interface
/// </summary>
/// <param name="nativeShellItem"></param>
/// <returns>A newly constructed ShellFileSystemObject object</returns>
internal static new ShellFileSystemObject FromShellItem(IShellItem nativeShellItem)
{
string path = null;
// Get the full system path from the native IShellItem
path = ShellHelper.GetParsingName(nativeShellItem);
if (string.IsNullOrEmpty(path))
throw new ArgumentException("Cannot create a ShellFileSystemObject from", "nativeShellItem");
ShellFileSystemObject item = null;
if (File.Exists(path))
{
item = new ShellFile();
}
else if (Directory.Exists(path))
{
item = new ShellFolder();
}
else if (path.StartsWith("::")) // It's a special folder, we'll use it
{
//TODO: Construct a special type for registered non-folder Shell items
item = new ShellFile();
}
else
{
return null; // There aren't any other options left
}
item.Path = path;
item.nativeShellItem = (IShellItem2)nativeShellItem;
return item;
}
public ShellFileVM(IItemProvider provider, ContainerVM parent, ShellFile file)
: base(provider, parent, file.GetDisplayName(DisplayNameType.Default), false)
{
File = file;
Util.FillCommonData(file, MetaData);
}
