private bool RunFileDialog(IntPtr hwndOwner)
{
TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialog dialog = null;
try
{
dialog = CreateFileDialog();
SetDialogProperties(dialog);
var result = dialog.Show(hwndOwner);
if (result < 0)
{
if ((uint)result == (uint)HRESULT.ERROR_CANCELLED)
{
return(false);
}
else
{
throw System.Runtime.InteropServices.Marshal.GetExceptionForHR(result);
}
}
return(true);
}
finally
{
if (dialog != null)
{
System.Runtime.InteropServices.Marshal.FinalReleaseComObject(dialog);
}
}
}
internal virtual void SetDialogProperties(TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialog dialog)
{
uint cookie;
dialog.Advise(new VistaFileDialogEvents(this), out cookie);
// Set the default file name
if (!(_fileNames == null || _fileNames.Length == 0 || string.IsNullOrEmpty(_fileNames[0])))
{
var parent = Path.GetDirectoryName(_fileNames[0]);
if (parent == null || !Directory.Exists(parent))
{
dialog.SetFileName(_fileNames[0]);
}
else
{
var folder = Path.GetFileName(_fileNames[0]);
dialog.SetFolder(NativeMethods.CreateItemFromParsingName(parent));
dialog.SetFileName(folder);
}
}
// Set the filter
if (!string.IsNullOrEmpty(_filter))
{
var filterElements = _filter.Split(new char[] { '|' });
var filter = new NativeMethods.COMDLG_FILTERSPEC[filterElements.Length / 2];
for (var x = 0; x < filterElements.Length; x += 2)
{
filter[x / 2].pszName = filterElements[x];
filter[x / 2].pszSpec = filterElements[x + 1];
}
dialog.SetFileTypes((uint)filter.Length, filter);
if (_filterIndex > 0 && _filterIndex <= filter.Length)
{
dialog.SetFileTypeIndex((uint)_filterIndex);
}
}
// Default extension
if (_addExtension && !string.IsNullOrEmpty(_defaultExt))
{
dialog.SetDefaultExtension(_defaultExt);
}
// Initial directory
if (!string.IsNullOrEmpty(_initialDirectory))
{
TylorsTech.HandyClasses.WPF.Dialogs.Interop.IShellItem item = NativeMethods.CreateItemFromParsingName(_initialDirectory);
dialog.SetDefaultFolder(item);
}
if (!string.IsNullOrEmpty(_title))
{
dialog.SetTitle(_title);
}
dialog.SetOptions((_options | NativeMethods.FOS.FOS_FORCEFILESYSTEM));
}
internal override void GetResult(TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialog dialog)
{
if (Multiselect)
{
TylorsTech.HandyClasses.WPF.Dialogs.Interop.IShellItemArray results;
((TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileOpenDialog)dialog).GetResults(out results);
uint count;
results.GetCount(out count);
var fileNames = new string[count];
for (uint x = 0; x < count; ++x)
{
TylorsTech.HandyClasses.WPF.Dialogs.Interop.IShellItem item;
results.GetItemAt(x, out item);
string name;
item.GetDisplayName(NativeMethods.SIGDN.SIGDN_FILESYSPATH, out name);
fileNames[x] = name;
}
FileNamesInternal = fileNames;
}
else
{
FileNamesInternal = null;
}
if (ShowReadOnly)
{
var customize = (TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialogCustomize)dialog;
int selected;
customize.GetSelectedControlItem(_openDropDownId, out selected);
_readOnlyChecked = (selected == _readOnlyItemId);
}
base.GetResult(dialog);
}
private void SetDialogProperties(TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialog dialog)
{
// Description
if (!string.IsNullOrEmpty(_description))
{
if (UseDescriptionForTitle)
{
dialog.SetTitle(_description);
}
else
{
var customize = (TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialogCustomize)dialog;
customize.AddText(0, _description);
}
}
dialog.SetOptions(NativeMethods.FOS.FOS_PICKFOLDERS | NativeMethods.FOS.FOS_FORCEFILESYSTEM | NativeMethods.FOS.FOS_FILEMUSTEXIST);
if (!string.IsNullOrEmpty(_selectedPath))
{
var parent = Path.GetDirectoryName(_selectedPath);
if (parent == null || !Directory.Exists(parent))
{
dialog.SetFileName(_selectedPath);
}
else
{
var folder = Path.GetFileName(_selectedPath);
dialog.SetFolder(NativeMethods.CreateItemFromParsingName(parent));
dialog.SetFileName(folder);
}
}
}
internal bool DoFileOk(TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialog dialog)
{
GetResult(dialog);
var e = new System.ComponentModel.CancelEventArgs();
OnFileOk(e);
return(!e.Cancel);
}
internal virtual void GetResult(TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialog dialog)
{
if (!GetOption(NativeMethods.FOS.FOS_ALLOWMULTISELECT))
{
_fileNames = new string[1];
TylorsTech.HandyClasses.WPF.Dialogs.Interop.IShellItem result;
dialog.GetResult(out result);
result.GetDisplayName(NativeMethods.SIGDN.SIGDN_FILESYSPATH, out _fileNames[0]);
}
}
internal override void SetDialogProperties(TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialog dialog)
{
base.SetDialogProperties(dialog);
if (_showReadOnly)
{
var customize = (TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialogCustomize)dialog;
customize.EnableOpenDropDown(_openDropDownId);
customize.AddControlItem(_openDropDownId, _openItemId, ComDlgResources.LoadString(ComDlgResources.ComDlgResourceId.OpenButton));
customize.AddControlItem(_openDropDownId, _readOnlyItemId, ComDlgResources.LoadString(ComDlgResources.ComDlgResourceId.ReadOnly));
}
}
private void GetResult(TylorsTech.HandyClasses.WPF.Dialogs.Interop.IFileDialog dialog)
{
TylorsTech.HandyClasses.WPF.Dialogs.Interop.IShellItem item;
dialog.GetResult(out item);
item.GetDisplayName(NativeMethods.SIGDN.SIGDN_FILESYSPATH, out _selectedPath);
}