private void ReloadDirectories(string path, FileDialogBehavior behavior)
{
string[] directories = Directory.GetDirectories(path);
Array.Sort(directories, StringComparer.InvariantCulture);
foreach (string directory in directories)
{
DirectoryInfo directoryInfo = new DirectoryInfo(directory);
if (behavior.HasFlag(FileDialogBehavior.HideHiddenFilesAndDirectories) &&
directoryInfo.Attributes.HasFlag(FileAttributes.Hidden))
{
if (behavior.HasFlag(FileDialogBehavior.HideReparsePoints) ||
!directoryInfo.Attributes.HasFlag(FileAttributes.ReparsePoint))
{
continue;
}
}
if (behavior.HasFlag(FileDialogBehavior.HideSystemFilesAndDirectories) &&
directoryInfo.Attributes.HasFlag(FileAttributes.SparseFile))
{
continue;
}
this.Items.Add(new FileDialogItem(FileDialogItemType.Directory, Path.GetFileName(directory), directory));
}
}
private void ReloadFiles(string path, string searchPattern, FileDialogBehavior behavior)
{
string[] files = Directory.GetFiles(path, searchPattern, SearchOption.TopDirectoryOnly);
Array.Sort(files, StringComparer.InvariantCulture);
foreach (string file in files)
{
FileInfo fileInfo = new FileInfo(file);
if (behavior.HasFlag(FileDialogBehavior.HideHiddenFilesAndDirectories) &&
fileInfo.Attributes.HasFlag(FileAttributes.Hidden))
{
continue;
}
if (behavior.HasFlag(FileDialogBehavior.HideSystemFilesAndDirectories) &&
fileInfo.Attributes.HasFlag(FileAttributes.SparseFile))
{
continue;
}
this.Items.Add(new FileDialogItem(FileDialogItemType.File, Path.GetFileName(file), file));
}
}
internal void Reload(string path, string searchPattern, FileDialogBehavior behavior)
{
this.Items.Clear();
if (string.IsNullOrEmpty(path))
{
return;
}
string solvedPath = path;
FileInfo fileInfo = new FileInfo(path);
if (fileInfo.Attributes.HasFlag(FileAttributes.ReparsePoint))
{
solvedPath = WinApi.GetReparsePointFileName(path);
}
DirectoryInfo parentDirectory = Directory.GetParent(path);
if (parentDirectory != null)
{
this.Items.Add(new FileDialogItem(FileDialogItemType.Directory, "..", parentDirectory.FullName));
}
try
{
ReloadDirectories(solvedPath, behavior);
ReloadFiles(solvedPath, searchPattern, behavior);
}
catch (Exception ex)
{
this.Items.Add(new FileDialogItem(FileDialogItemType.Directory, ex.Message, string.Empty));
}
this.OnCollectionChanged(new System.Collections.Specialized.NotifyCollectionChangedEventArgs(System.Collections.Specialized.NotifyCollectionChangedAction.Reset));
}
