HRESULT IExplorerBrowserEvents.OnNavigationFailed(IntPtr pidlFolder)
{
var failedLocation = ShellFactory.FromShellItem(ShellItem.FromPIDL((PIDL)pidlFolder));
var args = new NavigationFailedEventArgs(failedLocation);
OnNavigationFailed(args);
return(COMErrorCodes.S_OK);
}
HRESULT IExplorerBrowserEvents.OnNavigationPending(IntPtr pidlFolder)
{
var pendingLocation = ShellFactory.FromShellItem(ShellItem.FromPIDL((PIDL)pidlFolder));
var args = new NavigationPendingEventArgs(pendingLocation);
OnNavigationPending(args);
return(args.Cancel ? COMErrorCodes.Cancelled : COMErrorCodes.S_OK);
}
private ShellObject CreateShellObject(IShellItem shellItem)
{
if (shellItem == null)
{
return(null);
}
return(ShellFactory.FromShellItem(new ShellItem((IShellItem2)shellItem)));
}
/// <summary>
/// Create a new instance of the <see cref="ShellObject" /> class.
/// </summary>
/// <param name="pidl"><c>PIDL</c>。</param>
/// <param name="riid"><c>GUID</c>。</param>
/// <returns></returns>
private static ShellObject CreateShellObject(IntPtr pidl, ref Guid riid)
{
IShellItem2 shellItem2;
var code = ShellNativeMethods.SHCreateItemFromIDList(pidl, ref riid, out shellItem2);
if (HRESULT.Failed(code))
{
return(null);
}
return(ShellFactory.FromShellItem(new ShellItem(shellItem2)));
}
/// <summary>
/// Get the file selected by user.
/// </summary>
/// <returns><see cref="ShellFile" />.</returns>
public ShellFile GetShellFile()
{
var fileDialogNative = (IFileSaveDialog)this.FileDialogInternal.FileDialogNative;
IShellItem shellItem;
fileDialogNative.GetResult(out shellItem);
if (shellItem == null)
{
return(null);
}
return(ShellFactory.FromShellItem(new ShellItem((IShellItem2)shellItem)) as ShellFile);
}
public HRESULT OnFolderChanging(IFileDialog pfd, IShellItem psiFolder)
{
var shellFolder = ShellFactory.FromShellItem(new ShellItem(psiFolder)) as ShellFolder;
var change = true;
if (!this.firstFolderChanged)
{
change = this.Dialog.RaiseFolderChangingEvent(shellFolder);
}
return(change ? COMErrorCodes.S_OK : COMErrorCodes.S_FALSE);
}
HRESULT IExplorerBrowserEvents.OnNavigationComplete(IntPtr pidlFolder)
{
using (var folderView = FolderView.Create(this))
{
this.FolderSettings.ViewMode = folderView.ViewMode;
}
var newLocation = ShellFactory.FromShellItem(ShellItem.FromPIDL((PIDL)pidlFolder));
var args = new NavigationCompletedEventArgs(newLocation);
OnNavigationCompleted(args);
return(COMErrorCodes.S_OK);
}
public IEnumerable <ShellObject> GetSelectedItems()
{
var shellItemArray = GetSelectedItemsArray();
var count = ShellItemArray.GetShellItemCount(shellItemArray);
for (var index = 0; index < count; ++index)
{
var shellItem = ShellItemArray.GetShellItemAt(shellItemArray, index);
var shellObject = ShellFactory.FromShellItem(new ShellItem((IShellItem2)shellItem));
if (shellObject != null)
{
yield return(shellObject);
}
}
}
public bool MoveNext()
{
if (this.enumIdList == null)
{
return(false);
}
const uint itemsRequested = 1;
IntPtr item;
uint numItemsReturned;
var hr = this.enumIdList.Next(itemsRequested, out item, out numItemsReturned);
if (HRESULT.Failed(hr) || numItemsReturned < itemsRequested)
{
return(false);
}
this.Current = ShellFactory.FromShellItem(ShellItem.FromIdList(item, this.Parent.ShellFolderItem));
return(true);
}
/// <summary>
/// Gets a collection of files selected by the user.
/// </summary>
/// <returns>A collection of files.</returns>
public IEnumerable <ShellFile> GetShellFiles()
{
var fileDialogNative = (IFileOpenDialog)this.FileDialogInternal.FileDialogNative;
IShellItemArray shellItemArray;
fileDialogNative.GetResults(out shellItemArray);
var count = ShellItemArray.GetShellItemCount(shellItemArray);
for (var index = 0; index < count; ++index)
{
var shellItem = ShellItemArray.GetShellItemAt(shellItemArray, index);
var shellFile = ShellFactory.FromShellItem(new ShellItem((IShellItem2)shellItem)) as ShellFile;
if (shellFile != null)
{
yield return(shellFile);
}
}
}
