private static FileInfo InternalGetFileInfo(string name, bool linkOverlay, IconSize size)
{
NativeMethods.Shell32.SHFILEINFO shfi = new NativeMethods.Shell32.SHFILEINFO();
NativeMethods.Shell32.SHGFI flags = NativeMethods.Shell32.SHGFI.Icon |
NativeMethods.Shell32.SHGFI.UseFileAttributes |
NativeMethods.Shell32.SHGFI.DisplayName |
NativeMethods.Shell32.SHGFI.TypeName;
if (linkOverlay)
{
flags |= NativeMethods.Shell32.SHGFI.LinkOverlay;
}
/* Check the size specified for return. */
if (IconSize.Small == size)
{
flags |= NativeMethods.Shell32.SHGFI.SmallIcon; // include the small icon flag
}
else
{
flags |= NativeMethods.Shell32.SHGFI.LargeIcon; // include the large icon flag
}
NativeMethods.Shell32.SHGetFileInfo(
name,
NativeMethods.Shell32.FILE_ATTRIBUTE_NORMAL,
ref shfi,
(uint)System.Runtime.InteropServices.Marshal.SizeOf(shfi),
flags);
// Copy (clone) the returned icon to a new object, thus allowing us
// to call DestroyIcon immediately
System.Drawing.Icon icon = (System.Drawing.Icon)
System.Drawing.Icon.FromHandle(shfi.hIcon).Clone();
NativeMethods.User32.DestroyIcon(shfi.hIcon); // Cleanup
FileInfo fileInfo = new FileInfo
{
DisplayName = shfi.szDisplayName,
TypeName = shfi.szTypeName
};
if (IconSize.Small == size)
{
fileInfo.SmallIcon = icon.ToImageSource();
}
else
{
fileInfo.LargeIcon = icon.ToImageSource();
}
return(fileInfo);
}
/// <summary>
/// Get the icon for a hWnd
/// </summary>
/// <param name="hWnd"></param>
/// <returns></returns>
private static ImageSource GetIcon(IntPtr hWnd)
{
IntPtr ICON_SMALL = IntPtr.Zero;
IntPtr ICON_BIG = new IntPtr(1);
IntPtr ICON_SMALL2 = new IntPtr(2);
IntPtr iconHandle = User32.SendMessage(hWnd, (int)WindowsMessages.WM_GETICON, ICON_SMALL2, IntPtr.Zero);
if (iconHandle == IntPtr.Zero)
{
iconHandle = User32.SendMessage(hWnd, (int)WindowsMessages.WM_GETICON, ICON_SMALL, IntPtr.Zero);
}
if (iconHandle == IntPtr.Zero)
{
iconHandle = User32.GetClassLongWrapper(hWnd, (int)ClassLongIndex.GCL_HICONSM);
}
if (iconHandle == IntPtr.Zero)
{
iconHandle = User32.SendMessage(hWnd, (int)WindowsMessages.WM_GETICON, ICON_BIG, IntPtr.Zero);
}
if (iconHandle == IntPtr.Zero)
{
iconHandle = User32.GetClassLongWrapper(hWnd, (int)ClassLongIndex.GCL_HICON);
}
if (iconHandle == IntPtr.Zero)
{
return(null);
}
using (System.Drawing.Icon icon = System.Drawing.Icon.FromHandle(iconHandle)) {
return(icon.ToImageSource());
}
}
public void GetMoreTree(RoutedEventArgs e)
{
TreeViewItem item = (TreeViewItem)e.OriginalSource;
item.ClearValue(ItemsControl.ItemsSourceProperty);
ObservableCollection <Element> observableCollection = new ObservableCollection <Element>();
Element fileInfo = (Element)item.DataContext;
try
{
foreach (DirectoryInfo dir in new DirectoryInfo(fileInfo.FullName).GetDirectories().OrderBy(x => x.Name).ToArray())
{
ShellObject shellFolder = ShellObject.FromParsingName(dir.FullName.ToString());
BitmapSource shellThumb = shellFolder.Thumbnail.SmallBitmapSource;
Folder newItem = new Folder
{
Name = dir.ToString(),
Icon = shellThumb,
FullName = dir.FullName,
};
try
{
newItem.CountOfFolders = new DirectoryInfo(dir.FullName).GetDirectories().Length.ToString();
}
catch (UnauthorizedAccessException ex)
{
newItem.CountOfFolders = "Отказано в доступе";
}
try
{
newItem.CountOfFiles = new DirectoryInfo(dir.FullName).GetFiles().Length.ToString();
}
catch (UnauthorizedAccessException ex)
{
newItem.CountOfFiles = "Отказано в доступе";
}
try
{
newItem.CreationTime = dir.CreationTime.ToString(CultureInfo.InvariantCulture);
}
catch (UnauthorizedAccessException ex)
{
}
newItem.Children.Add(new Element
{
Name = "*",
Icon = null,
FullName = dir.FullName
});
observableCollection.Add(newItem);
}
foreach (FileInfo file in new DirectoryInfo(fileInfo.FullName).GetFiles().OrderBy(x => x.Name).ToArray())
{
System.Drawing.Icon icon = (System.Drawing.Icon)System.Drawing.Icon.ExtractAssociatedIcon(file.FullName.ToString());
if (file.Extension.ToLower() == ".jpg" || file.Extension.ToLower() == ".jpeg" || file.Extension.ToLower() == ".bmp" || file.Extension.ToLower() == ".png")
{
observableCollection.Add(new CustomImage
{
Name = file.ToString(),
Icon = icon.ToImageSource(),
FullName = file.FullName.ToString(),
Size = ByteSize.FromBytes(file.Length).ToString(),
CreationTime = file.CreationTime.ToString(CultureInfo.InvariantCulture)
});
}
else
{
observableCollection.Add(new CustomFile
{
Name = file.ToString(),
Icon = icon.ToImageSource(),
FullName = file.FullName,
Size = ByteSize.FromBytes(file.Length).ToString(),
CreationTime = file.CreationTime.ToString(CultureInfo.InvariantCulture)
});
}
}
}
catch (UnauthorizedAccessException ex)
{
Folder newIFolder = new Folder()
{
Name = "Отказано в доступе"
};
observableCollection.Add(newIFolder);
}
item.ItemsSource = observableCollection;
}