/// <summary>
/// Handles the <see cref="ChooseFolderMessage" /> on a window by showing a folder dialog based on the message options.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="message">The message.</param>
/// <exception cref="System.ArgumentNullException">
/// message
/// </exception>
public static void HandleChooseFolder(this Window owner, ChooseFolderMessage message)
{
//if (owner == null) { throw new ArgumentNullException("owner"); }
if (message == null)
{
throw new ArgumentNullException("message");
}
if (CommonOpenFileDialog.IsPlatformSupported)
{
using (var diag = new CommonOpenFileDialog())
{
diag.InitialDirectory = message.InitialFolder;
diag.IsFolderPicker = true;
diag.Title = message.Caption;
diag.Multiselect = false;
// allow this for desktop, but now opens other locations up so need to check those
diag.AllowNonFileSystemItems = true;
REOPEN:
var result = owner == null?diag.ShowDialog() : diag.ShowDialog(owner);
if (result == CommonFileDialogResult.Ok)
{
ShellObject selectedSO = null;
try
{
// Try to get a valid selected item
selectedSO = diag.FileAsShellObject as ShellObject;
}
catch (Exception ex)
{
MessageBox.Show("Could not create a ShellObject from the selected item: " + ex.Message);
}
if (selectedSO != null)
{
string name = selectedSO.Name;
string path = selectedSO.ParsingName;
bool notReal = selectedSO is ShellNonFileSystemFolder;
selectedSO.Dispose();
if (notReal)
{
if (path.EndsWith(".library-ms", StringComparison.OrdinalIgnoreCase))
{
using (var lib = ShellLibrary.Load(name, true))
{
if (lib != null)
{
path = lib.DefaultSaveFolder;
}
}
}
else
{
if (MessageBox.Show(string.Format(CultureInfo.InvariantCulture, "The location \"{0}\" is not valid, please select another.", name),
"Invalid Location", MessageBoxButton.OKCancel, MessageBoxImage.Information) == MessageBoxResult.OK)
{
goto REOPEN;
}
else
{
return;
}
}
}
if (owner == null || owner.Dispatcher.CheckAccess())
{
message.DoCallback(path);
}
else
{
owner.Dispatcher.BeginInvoke(new Action(() =>
{
message.DoCallback(path);
}));
}
}
}
}
}
else
{
message.HandleWithPlatform(owner);
}
}
/// <summary>
/// Handles the <see cref="ChooseFolderMessage" /> on a window by showing a folder dialog based on the message options.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="message">The message.</param>
/// <exception cref="System.ArgumentNullException">
/// message
/// </exception>
public static void HandleChooseFolder(this Window owner, ChooseFolderMessage message)
{
//if (owner == null) { throw new ArgumentNullException("owner"); }
if (message == null) { throw new ArgumentNullException("message"); }
if (CommonOpenFileDialog.IsPlatformSupported)
{
using (var diag = new CommonOpenFileDialog())
{
diag.InitialDirectory = message.InitialFolder;
diag.IsFolderPicker = true;
diag.Title = message.Caption;
diag.Multiselect = false;
// allow this for desktop, but now opens other locations up so need to check those
diag.AllowNonFileSystemItems = true;
REOPEN:
var result = owner == null ? diag.ShowDialog() : diag.ShowDialog(owner);
if (result == CommonFileDialogResult.Ok)
{
ShellObject selectedSO = null;
try
{
// Try to get a valid selected item
selectedSO = diag.FileAsShellObject as ShellObject;
}
catch (Exception ex)
{
MessageBox.Show("Could not create a ShellObject from the selected item: " + ex.Message);
}
if (selectedSO != null)
{
string name = selectedSO.Name;
string path = selectedSO.ParsingName;
bool notReal = selectedSO is ShellNonFileSystemFolder;
selectedSO.Dispose();
if (notReal)
{
if (path.EndsWith(".library-ms", StringComparison.OrdinalIgnoreCase))
{
using (var lib = ShellLibrary.Load(name, true))
{
if (lib != null)
path = lib.DefaultSaveFolder;
}
}
else
{
if (MessageBox.Show(string.Format(CultureInfo.InvariantCulture, "The location \"{0}\" is not valid, please select another.", name),
"Invalid Location", MessageBoxButton.OKCancel, MessageBoxImage.Information) == MessageBoxResult.OK)
{
goto REOPEN;
}
else
{
return;
}
}
}
if (owner == null || owner.Dispatcher.CheckAccess())
{
message.DoCallback(path);
}
else
{
owner.Dispatcher.BeginInvoke(new Action(() =>
{
message.DoCallback(path);
}));
}
}
}
}
}
else
{
message.HandleWithPlatform(owner);
}
}
