/// <exception cref="FileNotFoundException">path not found.</exception>
/// <exception cref="COMException">See HRESULT value for more details.</exception>
public void AddPlaceFromPath(string path, bool top = false)
{
var shellItem = ComHelper.ShellItemFromPath(path);
_dialog.AddPlace(shellItem, top ? FDAP.TOP : FDAP.BOTTOM);
Marshal.ReleaseComObject(shellItem);
}
/// <summary>
/// Adds a location, such as a folder, library, search connector, or known folder, to the list of
/// places available for a user to open or save items. This method actually adds an item
/// to the <b>Favorite Links</b> or <b>Places</b> section of the Open/Save dialog.
/// </summary>
/// <param name="place">The item to add to the places list.</param>
/// <param name="location">One of the enumeration values that indicates placement of the item in the list.</param>
public void AddPlace(ShellContainer place, FileDialogAddPlaceLocation location)
{
if (place == null)
{
throw new ArgumentNullException("place");
}
// Get our native dialog
if (nativeDialog == null)
{
InitializeNativeFileDialog();
nativeDialog = GetNativeFileDialog();
}
// Add the shellitem to the places list
if (nativeDialog != null)
{
nativeDialog.AddPlace(place.NativeShellItem, (ShellNativeMethods.FileDialogAddPlacement)location);
}
}
internal virtual void PrepareVistaDialog(IFileDialog dialog)
{
dialog.SetDefaultExtension(this.DefaultExt);
dialog.SetFileName(this.CriticalFileName);
if (!string.IsNullOrEmpty(this.InitialDirectory))
{
IShellItem shellItemForPath = ShellUtil.GetShellItemForPath(this.InitialDirectory);
if (shellItemForPath != null)
{
dialog.SetDefaultFolder(shellItemForPath);
dialog.SetFolder(shellItemForPath);
}
}
dialog.SetTitle(this.Title);
FOS options = (FOS)((this.Options & 1063690) | 536870912 | 64);
dialog.SetOptions(options);
COMDLG_FILTERSPEC[] filterItems = FileDialog.GetFilterItems(this.Filter);
if (filterItems.Length != 0)
{
dialog.SetFileTypes((uint)filterItems.Length, filterItems);
dialog.SetFileTypeIndex((uint)this.FilterIndex);
}
IList <FileDialogCustomPlace> customPlaces = this.CustomPlaces;
if (customPlaces != null && customPlaces.Count != 0)
{
foreach (FileDialogCustomPlace customPlace in customPlaces)
{
IShellItem shellItem = FileDialog.ResolveCustomPlace(customPlace);
if (shellItem != null)
{
try
{
dialog.AddPlace(shellItem, FDAP.BOTTOM);
}
catch (ArgumentException)
{
}
}
}
}
}
internal void Apply(IFileDialog dialog)
{
// Walk backwards
for (int i = Items.Count - 1; i >= 0; --i)
{
FileDialogCustomPlace customPlace = Items[i];
try
{
IShellItem?shellItem = customPlace.GetNativePath();
if (shellItem is not null)
{
dialog.AddPlace(shellItem, 0);
}
}
catch (FileNotFoundException)
{
// Silently absorb FileNotFound exceptions (these could be caused by a
// path that disappeared after the place was added to the dialog).
}
}
}
internal virtual void PrepareVistaDialog(IFileDialog dialog)
{
dialog.SetDefaultExtension(DefaultExt);
dialog.SetFileName(CriticalFileName);
if (!string.IsNullOrEmpty(InitialDirectory))
{
IShellItem initialDirectory = ShellUtil.GetShellItemForPath(InitialDirectory);
if (initialDirectory != null)
{
// Setting both of these so the dialog doesn't display errors when a remembered folder is missing.
dialog.SetDefaultFolder(initialDirectory);
dialog.SetFolder(initialDirectory);
}
}
dialog.SetTitle(Title);
// Force no mini mode for the SaveFileDialog.
// Only accept physically backed locations.
FOS options = ((FOS)Options & c_VistaFileDialogMask) | FOS.DEFAULTNOMINIMODE | FOS.FORCEFILESYSTEM;
dialog.SetOptions(options);
COMDLG_FILTERSPEC[] filterItems = GetFilterItems(Filter);
if (filterItems.Length > 0)
{
dialog.SetFileTypes((uint)filterItems.Length, filterItems);
dialog.SetFileTypeIndex(unchecked((uint)FilterIndex));
}
IList<FileDialogCustomPlace> places = CustomPlaces;
if (places != null && places.Count != 0)
{
foreach (FileDialogCustomPlace customPlace in places)
{
IShellItem shellItem = ResolveCustomPlace(customPlace);
if (shellItem != null)
{
try
{
dialog.AddPlace(shellItem, FDAP.BOTTOM);
}
catch (ArgumentException)
{
// The dialog doesn't allow some ShellItems to be set as Places (like device ports).
// Silently ---- errors here.
}
}
}
}
}
