internal static string GetFilePathFromShellItem(FileDialogNative.IShellItem item)
{
string filename;
item.GetDisplayName(FileDialogNative.SIGDN.SIGDN_DESKTOPABSOLUTEPARSING, out filename);
return(filename);
}
internal virtual void OnBeforeVistaDialog(FileDialogNative.IFileDialog dialog)
{
dialog.SetDefaultExtension(this.DefaultExt);
dialog.SetFileName(this.FileName);
if (!string.IsNullOrEmpty(this.InitialDirectory))
{
try
{
FileDialogNative.IShellItem initialDirectory = GetShellItemForPath(this.InitialDirectory);
dialog.SetDefaultFolder(initialDirectory);
dialog.SetFolder(initialDirectory);
}
catch (FileNotFoundException)
{
}
}
dialog.SetTitle(this.Title);
dialog.SetOptions(GetOptions());
SetFileTypes(dialog);
this._customPlaces.Apply(dialog);
}
internal void Apply(FileDialogNative.IFileDialog dialog)
{
//Walk backwards
for (int i = this.Items.Count - 1; i >= 0; --i)
{
FileDialogCustomPlace customPlace = this.Items[i];
// Fix for Dev10 bug 536188: we need permission to check whether the specified path exists
FileIOPermission permission = new FileIOPermission(FileIOPermissionAccess.PathDiscovery, customPlace.Path);
permission.Demand();
try
{
FileDialogNative.IShellItem shellItem = customPlace.GetNativePath();
if (null != shellItem)
{
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 static string GetFilePathFromShellItem(FileDialogNative.IShellItem item)
{
string str;
item.GetDisplayName((FileDialogNative.SIGDN)(-2147319808), out str);
return(str);
}
internal static FileDialogNative.IShellItem GetShellItemForPath(string path)
{
FileDialogNative.IShellItem ppsi = null;
IntPtr zero = IntPtr.Zero;
uint rgflnOut = 0;
if ((0 > System.Windows.Forms.UnsafeNativeMethods.Shell32.SHILCreateFromPath(path, out zero, ref rgflnOut)) || (0 > System.Windows.Forms.UnsafeNativeMethods.Shell32.SHCreateShellItem(IntPtr.Zero, IntPtr.Zero, zero, out ppsi)))
{
throw new FileNotFoundException();
}
return(ppsi);
}
internal static FileDialogNative.IShellItem GetShellItemForPath(string path)
{
FileDialogNative.IShellItem ret = null;
IntPtr pidl = IntPtr.Zero;
uint zero = 0;
if (0 <= UnsafeNativeMethods.Shell32.SHILCreateFromPath(path, out pidl, ref zero))
{
if (0 <= UnsafeNativeMethods.Shell32.SHCreateShellItem(
IntPtr.Zero, //No parent specified
IntPtr.Zero,
pidl,
out ret))
{
return(ret);
}
}
throw new System.IO.FileNotFoundException();
}
internal void Apply(FileDialogNative.IFileDialog dialog)
{
for (int i = base.Items.Count - 1; i >= 0; i--)
{
FileDialogCustomPlace place = base.Items[i];
new FileIOPermission(FileIOPermissionAccess.PathDiscovery, place.Path).Demand();
try
{
FileDialogNative.IShellItem nativePath = place.GetNativePath();
if (nativePath != null)
{
dialog.AddPlace(nativePath, 0);
}
}
catch (FileNotFoundException)
{
}
}
}
internal void Apply(FileDialogNative.IFileDialog dialog)
{
//Walk backwards
for (int i = this.Items.Count - 1; i >= 0; --i)
{
FileDialogCustomPlace customPlace = this.Items[i];
try
{
FileDialogNative.IShellItem shellItem = customPlace.GetNativePath();
if (null != shellItem)
{
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).
}
}
public void OnOverwrite(FileDialogNative.IFileDialog pfd, FileDialogNative.IShellItem psi, out FileDialogNative.FDE_OVERWRITE_RESPONSE pResponse)
{
pResponse = FileDialogNative.FDE_OVERWRITE_RESPONSE.FDEOR_DEFAULT;
}
public void OnShareViolation(FileDialogNative.IFileDialog pfd, FileDialogNative.IShellItem psi, out FileDialogNative.FDE_SHAREVIOLATION_RESPONSE pResponse)
{
pResponse = FileDialogNative.FDE_SHAREVIOLATION_RESPONSE.FDESVR_DEFAULT;
}
public int OnFolderChanging(FileDialogNative.IFileDialog pfd, FileDialogNative.IShellItem psiFolder)
{
return(NativeMethods.S_OK);
}
public static extern int SHCreateShellItem(IntPtr pidlParent, IntPtr psfParent, IntPtr pidl, out FileDialogNative.IShellItem ppsi);
public int OnFolderChanging(FileDialogNative.IFileDialog pfd, FileDialogNative.IShellItem psiFolder)
{
return(0);
}
internal static extern void SHCreateItemFromParsingName(
[In][MarshalAs(UnmanagedType.LPWStr)] string pszPath,
[In] IntPtr pbc,
[In][MarshalAs(UnmanagedType.LPStruct)] Guid riid,
[Out][MarshalAs(UnmanagedType.Interface, IidParameterIndex = 2)] out FileDialogNative.IShellItem ppv);
internal System.Windows.Forms.DialogResult ShowDialog(System.Windows.Forms.IWin32Window owner, FileDialogNative.IFileDialog f)
{
if (!string.IsNullOrEmpty(this.InitialDirectory))
{
FileDialogNative.IShellItem item = null;
try
{
SHCreateItemFromParsingName(this.InitialDirectory, IntPtr.Zero, typeof(FileDialogNative.IShellItem).GUID, out item);
f.SetFolder(item);
}
catch (Exception e)
{
Util.Logging.Log(e);
}
if (item != null)
{
Marshal.ReleaseComObject(item);
}
}
if (!string.IsNullOrEmpty(this.FileName))
{
f.SetFileName(this.FileName);
}
if (!string.IsNullOrEmpty(this.Filter))
{
var filter = this.Filter.Split('|');
var filters = new FileDialogNative.COMDLG_FILTERSPEC[filter.Length / 2];
for (var i = 0; i < filter.Length; i += 2)
{
filters[i / 2] = new FileDialogNative.COMDLG_FILTERSPEC()
{
pszName = filter[i],
pszSpec = filter[i + 1],
};
}
f.SetFileTypes((uint)filters.Length, filters);
f.SetFileTypeIndex((uint)this.FilterIndex);
}
if (!string.IsNullOrEmpty(this.Title))
{
f.SetTitle(this.Title);
}
if (f.Show(owner.Handle) == 0)
{
FileDialogNative.IShellItem item;
f.GetResult(out item);
string ppszName;
item.GetDisplayName(FileDialogNative.SIGDN.SIGDN_FILESYSPATH, out ppszName);
Marshal.ReleaseComObject(item);
this.FileName = ppszName;
return(System.Windows.Forms.DialogResult.OK);
}
return(System.Windows.Forms.DialogResult.Cancel);
}
