/// <summary>
/// Specifies which properties will be collected in the save dialog.
/// </summary>
/// <param name="appendDefault">True to show default properties for the currently selected
/// filetype in addition to the properties specified by propertyList. False to show only properties
/// specified by pList.
/// <param name="propertyList">List of properties to collect. This parameter can be null.</param>
/// </param>
/// <remarks>
/// SetCollectedPropertyKeys can be called at any time before the dialog is displayed or while it
/// is visible. If different properties are to be collected depending on the chosen filetype,
/// then SetCollectedProperties can be called in response to CommonFileDialog::FileTypeChanged event.
/// Note: By default, no properties are collected in the save dialog.
/// </remarks>
public void SetCollectedPropertyKeys(bool appendDefault, params PropertyKey[] propertyList)
{
// Loop through all our property keys and create a semicolon-delimited property list string.
// The string we pass to PSGetPropertyDescriptionListFromString must
// start with "prop:", followed a list of canonical names for each
// property that is to collected.
#pragma warning disable CS8073 // The result of the expression is always 'true' since a value of type 'PropertyKey' is never equal to 'null' of type 'PropertyKey?'
if (propertyList != null && propertyList.Length > 0 && propertyList[0] != null)
#pragma warning restore CS8073 // The result of the expression is always 'true' since a value of type 'PropertyKey' is never equal to 'null' of type 'PropertyKey?'
{
StringBuilder sb = new StringBuilder("prop:");
foreach (PropertyKey key in propertyList)
{
string canonicalName = ShellPropertyDescriptionsCache.Cache.GetPropertyDescription(key).CanonicalName;
if (!string.IsNullOrEmpty(canonicalName))
{
sb.AppendFormat("{0};", canonicalName);
}
}
Guid guid = new Guid(ShellIIDGuid.IPropertyDescriptionList);
IPropertyDescriptionList propertyDescriptionList = null;
try
{
int hr = PropertySystemNativeMethods.PSGetPropertyDescriptionListFromString(
sb.ToString(),
ref guid,
out propertyDescriptionList);
// If we get a IPropertyDescriptionList, setit on the native dialog.
if (CoreErrorHelper.Succeeded(hr))
{
InitializeNativeFileDialog();
IFileSaveDialog nativeDialog = GetNativeFileDialog() as IFileSaveDialog;
if (nativeDialog != null)
{
hr = nativeDialog.SetCollectedProperties(propertyDescriptionList, appendDefault);
if (!CoreErrorHelper.Succeeded(hr))
{
throw new ShellException(hr);
}
}
}
}
finally
{
if (propertyDescriptionList != null)
{
Marshal.ReleaseComObject(propertyDescriptionList);
}
}
}
}
/// <summary>
/// Sets an item to appear as the initial entry in a <b>Save As</b> dialog.
/// </summary>
/// <param name="item">The initial entry to be set in the dialog.</param>
/// <remarks>The name of the item is displayed in the file name edit box,
/// and the containing folder is opened in the view. This would generally be
/// used when the application is saving an item that already exists.</remarks>
public void SetSaveAsItem(ShellObject item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
InitializeNativeFileDialog();
IFileSaveDialog nativeDialog = GetNativeFileDialog() as IFileSaveDialog;
// Get the native IShellItem from ShellObject
if (nativeDialog != null)
{
nativeDialog.SetSaveAsItem(item.NativeShellItem);
}
}
/// <summary>
/// Sets an item to appear as the initial entry in a <b>Save As</b> dialog.
/// </summary>
/// <param name="item">The initial entry to be set in the dialog.</param>
/// <remarks>The name of the item is displayed in the file name edit box,
/// and the containing folder is opened in the view. This would generally be
/// used when the application is saving an item that already exists.</remarks>
public void SetSaveAsItem(ShellObject item)
{
IFileSaveDialog nativeDialog = null;
if (nativeDialog == null)
{
InitializeNativeFileDialog();
nativeDialog = GetNativeFileDialog() as IFileSaveDialog;
}
// Get the native IShellItem from ShellObject
if (nativeDialog != null)
{
nativeDialog.SetSaveAsItem(item.NativeShellItem);
}
}
protected override void PerformAction(object parameter)
{
var photo = parameter as FacebookPhoto;
if (photo == null)
{
return;
}
string defaultFileName = "Facebook Photo";
if (photo.Album != null)
{
defaultFileName = photo.Album.Title + " (" + (photo.Album.Photos.IndexOf(photo) + 1) + ")";
}
string filePath = null;
if (Utility.IsOSVistaOrNewer)
{
IFileSaveDialog pFileSaveDialog = null;
try
{
pFileSaveDialog = CLSID.CoCreateInstance <IFileSaveDialog>(CLSID.FileSaveDialog);
pFileSaveDialog.SetOptions(pFileSaveDialog.GetOptions() | FOS.FORCEFILESYSTEM | FOS.OVERWRITEPROMPT);
pFileSaveDialog.SetTitle("Select where to save the photo");
pFileSaveDialog.SetOkButtonLabel("Save Photo");
var filterspec = new COMDLG_FILTERSPEC {
pszName = "Images", pszSpec = "*.jpg;*.png;*.bmp;*.gif"
};
pFileSaveDialog.SetFileTypes(1, ref filterspec);
pFileSaveDialog.SetFileName(defaultFileName);
Guid clientId = _SavePhotoId;
pFileSaveDialog.SetClientGuid(ref clientId);
IShellItem pItem = null;
try
{
pItem = ShellUtil.GetShellItemForPath(Environment.GetFolderPath(Environment.SpecialFolder.MyPictures));
pFileSaveDialog.SetDefaultFolder(pItem);
}
finally
{
Utility.SafeRelease(ref pItem);
}
HRESULT hr = pFileSaveDialog.Show(new WindowInteropHelper(Application.Current.MainWindow).Handle);
if (hr.Failed)
{
Assert.AreEqual((HRESULT)Win32Error.ERROR_CANCELLED, hr);
return;
}
pItem = null;
try
{
pItem = pFileSaveDialog.GetResult();
filePath = ShellUtil.GetPathFromShellItem(pItem);
}
finally
{
Utility.SafeRelease(ref pItem);
}
}
finally
{
Utility.SafeRelease(ref pFileSaveDialog);
}
}
else
{
var saveFileDialog = new Microsoft.Win32.SaveFileDialog
{
Filter = "Image Files|*.jpg;*.png;*.bmp;*.gif",
FileName = defaultFileName,
InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures),
};
if (saveFileDialog.ShowDialog(Application.Current.MainWindow) != true)
{
return;
}
filePath = saveFileDialog.FileName;
}
FacebookImageSaveOptions fiso = FacebookImageSaveOptions.FindBetterName;
// We told the file dialog to prompt about overwriting, so if the user specified a location
// with a file extension and the file already exists, prepare to overwrite.
// This isn't quite right because the file extension may be different, so we may overwrite a jpg
// when it was asked to be a gif, but it's not a likely scenario.
if (System.IO.File.Exists(filePath))
{
fiso = FacebookImageSaveOptions.Overwrite;
}
photo.Image.SaveToFile(FacebookImageDimensions.Big, filePath, true, fiso, _OnPhotoSaveProgressCallback, null);
}
private static String ShowDialogInner(IFileSaveDialog dialog, IntPtr parentHWnd, String title, String initialDirectory, String defaultFileName, IReadOnlyCollection <Filter> filters, Int32 selectedFilterZeroBasedIndex = -1)
{
FileOpenOptions flags =
FileOpenOptions.NoTestFileCreate |
FileOpenOptions.PathMustExist |
FileOpenOptions.ForceFilesystem |
FileOpenOptions.OverwritePrompt;
dialog.SetOptions(flags);
if (title != null)
{
dialog.SetTitle(title);
}
if (initialDirectory != null)
{
IShellItem2 initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
if (initialDirectoryShellItem != null)
{
dialog.SetFolder(initialDirectoryShellItem);
}
}
// if( initialSaveAsItem != null )
// {
// IShellItem2 initialSaveAsItemShellItem = Utility.ParseShellItem2Name( initialDirectory );
// if( initialSaveAsItemShellItem != null )
// {
// dialog.SetSaveAsItem( initialSaveAsItemShellItem );
// }
// }
if (defaultFileName != null)
{
dialog.SetFileName(defaultFileName);
}
Utility.SetFilters(dialog, filters, selectedFilterZeroBasedIndex);
HResult result = dialog.Show(parentHWnd);
HResult cancelledAsHResult = Utility.HResultFromWin32((int)HResult.Win32ErrorCanceled);
if (result == cancelledAsHResult)
{
// Cancelled
return(null);
}
else
{
// OK
IShellItem selectedItem;
dialog.GetResult(out selectedItem);
if (selectedItem != null)
{
return(Utility.GetFileNameFromShellItem(selectedItem));
}
else
{
return(null);
}
}
}
private static String ShowDialogInner(IFileSaveDialog dialog, IntPtr parentWindowHandle, String title, String initialDirectory, String defaultFileName, IReadOnlyCollection <Filter> filters, Int32 selectedFilterZeroBasedIndex = -1)
{
FileOpenOptions flags =
FileOpenOptions.NoTestFileCreate |
FileOpenOptions.PathMustExist |
FileOpenOptions.ForceFilesystem |
FileOpenOptions.OverwritePrompt;
dialog.SetOptions(flags);
if (title != null)
{
dialog.SetTitle(title);
}
if (initialDirectory != null)
{
IShellItem2 initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
if (initialDirectoryShellItem != null)
{
dialog.SetFolder(initialDirectoryShellItem);
}
}
// if( initialSaveAsItem != null )
// {
// IShellItem2 initialSaveAsItemShellItem = Utility.ParseShellItem2Name( initialDirectory );
// if( initialSaveAsItemShellItem != null )
// {
// dialog.SetSaveAsItem( initialSaveAsItemShellItem );
// }
// }
if (defaultFileName != null)
{
dialog.SetFileName(defaultFileName);
}
Utility.SetFilters(dialog, filters, selectedFilterZeroBasedIndex);
HResult result = dialog.Show(parentWindowHandle);
if (result == HResult.Ok)
{
IShellItem selectedItem;
dialog.GetResult(out selectedItem);
if (selectedItem != null)
{
return(Utility.GetFileNameFromShellItem(selectedItem));
}
else
{
return(null);
}
}
else if (result == HResult_Win32_Canceled)
{
// Cancelled by user.
return(null);
}
else
{
UInt32 win32ErrorCode = Utility.Win32ErrorFromHResult((UInt32)result);
throw new Win32Exception(error: (Int32)win32ErrorCode);
}
}
/// <summary>
/// Specifies which properties will be collected in the save dialog.
/// </summary>
/// <param name="appendDefault">True to show default properties for the currently selected
/// filetype in addition to the properties specified by propertyList. False to show only properties
/// specified by pList.
/// <param name="propertyList">List of properties to collect. This parameter can be null.</param>
/// </param>
/// <remarks>
/// SetCollectedPropertyKeys can be called at any time before the dialog is displayed or while it
/// is visible. If different properties are to be collected depending on the chosen filetype,
/// then SetCollectedProperties can be called in response to CommonFileDialog::FileTypeChanged event.
/// Note: By default, no properties are collected in the save dialog.
/// </remarks>
public void SetCollectedPropertyKeys(bool appendDefault, params PropertyKey[] propertyList)
{
string propertyListStr = null;
// Loop through all our property keys and create a semicolon-delimited property list string.
if (propertyList != null && propertyList.Length > 0 && propertyList[0] != null)
{
foreach (PropertyKey key in propertyList)
{
string canonicalName = ShellPropertyDescriptionsCache.Cache.GetPropertyDescription(key).CanonicalName;
// The string we pass to PSGetPropertyDescriptionListFromString must
// start with "prop:", followed a list of canonical names for each
// property that is to collected.
//
// Add "prop:" at the start of the string if we are starting our for loop.
if (propertyListStr == null)
{
propertyListStr = "prop:";
}
// For each property, append the canonical name, followed by a semicolon
if (!string.IsNullOrEmpty(canonicalName))
{
propertyListStr += canonicalName + ";";
}
}
}
// If the string was created correctly, get IPropertyDescriptionList for it
if (!string.IsNullOrEmpty(propertyListStr))
{
Guid guid = new Guid(ShellIIDGuid.IPropertyDescriptionList);
IPropertyDescriptionList propertyDescriptionList = null;
try
{
int hr = PropertySystemNativeMethods.PSGetPropertyDescriptionListFromString(propertyListStr, ref guid, out propertyDescriptionList);
// If we get a IPropertyDescriptionList, setit on the native dialog.
if (CoreErrorHelper.Succeeded(hr))
{
IFileSaveDialog nativeDialog = null;
if (nativeDialog == null)
{
InitializeNativeFileDialog();
nativeDialog = GetNativeFileDialog() as IFileSaveDialog;
}
if (nativeDialog != null)
{
hr = nativeDialog.SetCollectedProperties(propertyDescriptionList, appendDefault);
if (!CoreErrorHelper.Succeeded(hr))
{
Marshal.ThrowExceptionForHR(hr);
}
}
}
}
finally
{
if (propertyDescriptionList != null)
{
Marshal.ReleaseComObject(propertyDescriptionList);
}
}
}
}
private static String ShowDialogInner(IFileSaveDialog dialog, IntPtr parentHWnd, String title, String initialDirectory, String defaultFileName, IReadOnlyCollection <Filter> filters, Int32 selectedFilterZeroBasedIndex = -1)
#endif
{
FileOpenOptions flags =
FileOpenOptions.NoTestFileCreate |
FileOpenOptions.PathMustExist |
FileOpenOptions.ForceFilesystem |
FileOpenOptions.OverwritePrompt;
dialog.SetOptions(flags);
if (title != null)
{
dialog.SetTitle(title);
}
if (initialDirectory != null)
{
#if NETCOREAPP3_1_OR_GREATER
IShellItem2?initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
#else
IShellItem2 initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
#endif
if (initialDirectoryShellItem != null)
{
dialog.SetFolder(initialDirectoryShellItem);
}
}
// if( initialSaveAsItem != null )
// {
// IShellItem2 initialSaveAsItemShellItem = Utility.ParseShellItem2Name( initialDirectory );
// if( initialSaveAsItemShellItem != null )
// {
// dialog.SetSaveAsItem( initialSaveAsItemShellItem );
// }
// }
if (defaultFileName != null)
{
dialog.SetFileName(defaultFileName);
}
Utility.SetFilters(dialog, filters, selectedFilterZeroBasedIndex);
//
HResult hr = dialog.Show(parentHWnd);
if (hr.ValidateDialogShowHResult())
{
dialog.GetResult(out IShellItem selectedItem);
if (selectedItem != null)
{
return(Utility.GetFileNameFromShellItem(selectedItem));
}
else
{
return(null);
}
}
else
{
// User cancelled.
return(null);
}
}
private static String?ShowDialogInner(IFileSaveDialog dialog, IntPtr parentHWnd, String?title, String?initialDirectory, String?defaultFileName, IReadOnlyCollection <Filter>?filters, Int32 selectedFilterZeroBasedIndex = -1)
