private void PickItem(object sender, EventArgs e)
{
var pfd = new IFileOpenDialog();
if (pfd != null)
{
var dwOptions = pfd.GetOptions();
pfd.SetOptions(dwOptions | FILEOPENDIALOGOPTIONS.FOS_ALLNONSTORAGEITEMS | FILEOPENDIALOGOPTIONS.FOS_PICKFOLDERS);
pfd.SetTitle("Item Picker");
var hr = pfd.Show(Handle);
if (hr.Succeeded)
{
if (pfd.GetResult() is IShellItem2 psi)
{
psiDrop = psi;
StartWatching();
}
}
}
}
protected override void PerformAction(object parameter)
{
var album = parameter as FacebookPhotoAlbum;
if (album == null)
{
return;
}
string folderPath = null;
if (Utility.IsOSVistaOrNewer)
{
IFileOpenDialog pFolderDialog = null;
try
{
pFolderDialog = CLSID.CoCreateInstance <IFileOpenDialog>(CLSID.FileOpenDialog);
pFolderDialog.SetOptions(pFolderDialog.GetOptions() | FOS.NOREADONLYRETURN | FOS.PICKFOLDERS);
pFolderDialog.SetTitle(string.Format("Select where to save \"{0}\"", album.Title));
pFolderDialog.SetOkButtonLabel("Save Album");
HRESULT hr = pFolderDialog.Show(new WindowInteropHelper(Application.Current.MainWindow).Handle);
if (hr.Failed)
{
return;
}
IShellItem pItem = null;
try
{
pItem = pFolderDialog.GetResult();
folderPath = ShellUtil.GetPathFromShellItem(pItem);
}
finally
{
Utility.SafeRelease(ref pItem);
}
}
finally
{
Utility.SafeRelease(ref pFolderDialog);
}
}
else
{
var folderDialog = new System.Windows.Forms.FolderBrowserDialog
{
Description = "Choose where to save the album.",
ShowNewFolderButton = true,
};
if (folderDialog.ShowDialog() != System.Windows.Forms.DialogResult.OK)
{
return;
}
folderPath = folderDialog.SelectedPath;
}
album.SaveToFolder(folderPath, _OnAlbumSaveProgressCallback, null);
Process.Start(new ProcessStartInfo {
FileName = folderPath
});
}
public SelectFolderDialog()
{
fod = new FileOpenDialog();
ifod = (IFileOpenDialog)fod;
FOS fos;
ifod.GetOptions(out fos);
ifod.SetOptions(fos | FOS.FOS_PICKFOLDERS);
// Fix an apparent bug where the default folder is inside the last selected folder rather than selecting it in parent folder
IShellItem defaultFolder;
ifod.GetFolder(out defaultFolder);
if (defaultFolder != null)
{
IShellItem parentFolder;
defaultFolder.GetParent(out parentFolder);
if (parentFolder != null)
{
ifod.SetFolder(parentFolder);
}
}
}
protected override bool RunDialog(IntPtr hwndOwner)
{
IntPtr pDisplayName = IntPtr.Zero;
IFileOpenDialog dlg = null;
IShellItem shStartupDir = null;
try
{
dlg = (IFileOpenDialog)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid("DC1C5A9C-E88A-4dde-A5A1-60F82A20AEF7")));
FOS fos;
dlg.GetOptions(out fos);
fos = fos | FOS.FOS_FORCEFILESYSTEM | FOS.FOS_PICKFOLDERS | FOS.FOS_NOCHANGEDIR;
dlg.SetOptions(fos);
dlg.SetTitle(this.Description);
// What if selectedPath is empty?
if (this.SelectedPath != string.Empty)
{
var startupDir = System.IO.Path.GetFullPath(this.SelectedPath);
if (System.IO.Directory.Exists(startupDir))
{
Shell32.SHCreateItemFromParsingName(startupDir, IntPtr.Zero, new Guid("43826d1e-e718-42ee-bc55-a1e261c37bfe"), out shStartupDir);
dlg.SetFolder(shStartupDir);
}
}
// FIXME: should sig be Int32 (HRESULT)?
Int32 hrResult = dlg.Show(hwndOwner);
if (hrResult == -2147023673 /* HRESULT_FROM_WIN32(ERROR_CANCELLED) */)
{
return(false);
}
else if (hrResult < 0)
{
throw System.Runtime.InteropServices.Marshal.GetExceptionForHR(hrResult);
}
IShellItem result;
dlg.GetResult(out result);
result.GetDisplayName(SIGDN.FILESYSPATH, out pDisplayName);
this.SelectedPath = System.Runtime.InteropServices.Marshal.PtrToStringUni(pDisplayName);
}
finally
{
if (pDisplayName != IntPtr.Zero)
{
System.Runtime.InteropServices.Marshal.FreeCoTaskMem(pDisplayName);
}
if (dlg != null)
{
System.Runtime.InteropServices.Marshal.FinalReleaseComObject(dlg);
}
if (shStartupDir != null)
{
System.Runtime.InteropServices.Marshal.FinalReleaseComObject(shStartupDir);
}
}
// TODO: check if selected path exists?
return(true);
}