IEnumFORMATETC IDataObject.EnumFormatEtc(DATADIR direction)
{
if (direction == DATADIR.DATADIR_GET)
{
if (0 == _dataObjects.Count)
{
// Note: SHCreateStdEnumFmtEtc fails for a count of 0; throw helpful exception
throw new InvalidOperationException(
"VirtualFileDataObject requires at least one data object to enumerate.");
}
// Create enumerator and return it
IEnumFORMATETC enumerator;
List <FORMATETC> l = new List <FORMATETC>();
foreach (DataObject o in _dataObjects)
{
l.Add(o.FORMATETC);
}
if (
NativeMethods.SUCCEEDED(NativeMethods.SHCreateStdEnumFmtEtc((uint)(_dataObjects.Count), l.ToArray(),
out enumerator)))
{
return(enumerator);
}
// Returning null here can cause an AV in the caller; throw instead
Marshal.ThrowExceptionForHR(NativeMethods.E_FAIL);
}
throw new NotImplementedException();
}
IEnumFORMATETC IComDataObject.EnumFormatEtc(DATADIR direction)
{
if (direction == DATADIR.DATADIR_GET)
{
return(new FormatEnumrator(this));
}
throw HRESULT.E_NOTIMPL.GetException();
}
/// <summary>
/// Creates an object for enumerating the <see cref="T:System.Runtime.InteropServices.ComTypes.FORMATETC"/>
/// structures for a data object. These structures are used in calls to GetData() or SetData().</summary>
/// <returns>This method supports the standard return values E_INVALIDARG and E_OUTOFMEMORY, as well as the following:
/// S_OK -- The enumerator object was successfully created.
/// E_NOTIMPL -- The direction specified by the <paramref name="direction"/> parameter is not supported.
/// OLE_S_USEREG -- Requests that OLE enumerate the formats from the registry.</returns>
/// <param name="direction">Specifies the direction of the data.</param>
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
if (direction == DATADIR.DATADIR_GET)
{
var list = m_oleStorage.Select(data => data.Format).ToArray();
return(new FormatEnumerator(list));
}
throw new NotImplementedException("OLE_S_USEREG");
}
public EnumFORMATETC(DATADIR dir, IEnumerable cache)
{
if (cache == null)
throw new ArgumentNullException("cache");
this.cache = cache;
this.dir = dir;
e = cache.GetEnumerator();
}
IEnumFORMATETC IDataObject.EnumFormatEtc(DATADIR direction)
{
if (direction == DATADIR.DATADIR_GET)
{
return(new FormatEnumerator(this));
}
throw new ExternalException(direction.ToString(), Consts.E_NOTIMPL);
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
// We only support GET.
if (DATADIR.DATADIR_GET == direction)
{
return(new EnumFORMATETC(storage));
}
throw new NotImplementedException("DataObject: only \"get\" data direction supported in EnumFormatEtc");
}
/// <summary>
/// Gets an enumerator for the formats contained in this DataObject.
/// </summary>
/// <param name="direction">The direction of the data.</param>
/// <returns>An instance of the IEnumFORMATETC interface.</returns>
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
// We only support GET
if (DATADIR.DATADIR_GET == direction)
{
return(new EnumFORMATETC(storage));
}
throw new NotImplementedException("OLE_S_USEREG");
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
if (DATADIR.DATADIR_GET == direction)
{
return((IEnumFORMATETC) new Advent.Common.Interop.DataObject.EnumFORMATETC(this.storage));
}
else
{
throw new NotImplementedException("OLE_S_USEREG");
}
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
int a = SHCreateStdEnumFmtEtc((uint)supportedFormats.Count, supportedFormats.ToArray(), out IEnumFORMATETC enumer);
if (a != 0)
{
throw new Win32Exception();
}
return(enumer);
}
public EnumFORMATETC(DATADIR dir, IEnumerable cache)
{
if (cache == null)
{
throw new ArgumentNullException("cache");
}
this.cache = cache;
this.dir = dir;
e = cache.GetEnumerator();
}
IEnumFORMATETC IOleDataObject.EnumFormatEtc(DATADIR direction)
{
if (_wrapped is IOleDataObject ole)
{
return(ole.EnumFormatEtc(direction));
}
if (direction == DATADIR.DATADIR_GET)
{
return(new FormatEnumerator(_wrapped));
}
throw new NotSupportedException();
}
IEnumFORMATETC IComDataObject.EnumFormatEtc(DATADIR dwDirection)
{
Debug.WriteLineIf(CompModSwitches.DataObject.TraceVerbose, "EnumFormatEtc: " + dwDirection.ToString());
if (innerData is OleConverter innerDataOleConverter)
{
return(innerDataOleConverter.OleDataObject.EnumFormatEtc(dwDirection));
}
if (dwDirection == DATADIR.DATADIR_GET)
{
return(new FormatEnumerator(this));
}
throw new ExternalException(SR.ExternalException, (int)HRESULT.E_NOTIMPL);
}
/// <summary>
/// Creates and returns a pointer to an object to enumerate the FORMATETC
/// supported by the data object
/// </summary>
/// <param name="dwDirection">Direction of the data through a value from
/// the enumeration DATADIR</param>
/// <param name="ppEnumFormatEtc">Address of IEnumFORMATETC* pointer variable
/// that receives the interface pointer to the new enumerator object</param>
public int EnumFormatEtc(DATADIR dwDirection, out IEnumFORMATETC ppEnumFormatEtc)
{
// don't support enumeration of set formats
if (dwDirection == DATADIR.SET)
{
ppEnumFormatEtc = null;
return(HRESULT.E_NOTIMPL);
}
// return a new enumerator for our data entries
IEnumFORMATETC enumerator = new EnumFORMATETC(oleDataEntries);
enumerators.Add(enumerator);
ppEnumFormatEtc = enumerator;
return(HRESULT.S_OK);
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
Console.WriteLine("EnumFormatEtc");
FORMATETC fmt = new FORMATETC();
fmt.tymed = TYMED.TYMED_ISTORAGE;
fmt.cfFormat = 1;
fmt.dwAspect = DVASPECT.DVASPECT_CONTENT;
fmt.lindex = -1;
FORMATETC[] fmts = new FORMATETC[] { fmt };
IEnumFORMATETC e;
int hr = SHCreateStdEnumFmtEtc(1, fmts, out e);
if (hr != 0)
{
Marshal.ThrowExceptionForHR(hr);
}
return(e);
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
ComDebug.ReportInfo("{0}.IDataObject.EnumFormatEtc", GetType().Name);
try
{
// We only support GET
if (DATADIR.DATADIR_GET == direction)
{
return(new EnumFormatEtc(new List <FORMATETC>(Renderings.Select(x => x.format))));
}
}
catch (Exception e)
{
ComDebug.ReportError("{0}.IDataObject.EnumFormatEtc exception: {1}", GetType().Name, e);
throw;
}
throw new NotImplementedException("Can not use registry here because a return value is not supported");
}
private static HRESULT EnumFormatEtc(IntPtr thisPtr, DATADIR direction, IntPtr *pEnumFormatC)
{
var instance = ComInterfaceDispatch.GetInstance <IDataObject>((ComInterfaceDispatch *)thisPtr);
try
{
var formatEtc = instance.EnumFormatEtc(direction);
var result = WinFormsComWrappers.Instance.TryGetComPointer(formatEtc, IID.IEnumFORMATETC, out var formatEtcPtr);
if (result.Failed())
{
return(result);
}
*pEnumFormatC = formatEtcPtr;
return(HRESULT.S_OK);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
return((HRESULT)ex.HResult);
}
}
/// <summary>
/// Gets an enumerator for the formats contained in this DataObject.
/// </summary>
/// <param name="direction">The direction of the data.</param>
/// <returns>An instance of the IEnumFORMATETC interface.</returns>
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
// We only support GET
if (DATADIR.DATADIR_GET == direction)
return new EnumFORMATETC(storage);
throw new NotImplementedException("OLE_S_USEREG");
}
/// <summary>
/// The IntPtr is data allocated that should be removed. It is allocated by the ProcessSelectionData method.
/// </summary>
public DataCacheEntry(FORMATETC fmt, SafeGlobalAllocHandle data, DATADIR dir)
{
this.format = fmt;
this.data = data;
this.dataDir = dir;
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
// We only support GET.
if (DATADIR.DATADIR_GET == direction)
return new EnumFORMATETC(storage);
throw new NotImplementedException("DataObject: only \"get\" data direction supported in EnumFormatEtc");
}
IEnumFORMATETC System.Runtime.InteropServices.ComTypes.IDataObject.EnumFormatEtc(DATADIR dwDirection)
{
throw null;
}
/// <summary>
/// The IntPtr is data allocated that should be removed. It is allocated by the ProcessSelectionData method.
/// </summary>
/*internal, but public for FSharp.Project.dll*/ public DataCacheEntry(FORMATETC fmt, IntPtr data, DATADIR dir)
{
this.format = fmt;
this.data = (long)data;
this.dataDir = dir;
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
return(CreateFormatEnumerator(formatetc.Length, formatetc));
}
IEnumFORMATETC System.Runtime.InteropServices.ComTypes.IDataObject.EnumFormatEtc(DATADIR direction)
{
if (direction == DATADIR.DATADIR_GET)
{
if (0 == _dataObjects.Count)
{
// Note: SHCreateStdEnumFmtEtc fails for a count of 0; throw helpful exception
throw new InvalidOperationException("VirtualFileDataObject requires at least one data object to enumerate.");
}
// Create enumerator and return it
IEnumFORMATETC enumerator;
if (NativeMethods.SUCCEEDED(NativeMethods.SHCreateStdEnumFmtEtc((uint)(_dataObjects.Count), _dataObjects.Select(d => d.FORMATETC).ToArray(), out enumerator)))
{
return(enumerator);
}
// Returning null here can cause an AV in the caller; throw instead
Marshal.ThrowExceptionForHR(NativeMethods.E_FAIL);
}
throw new NotImplementedException();
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
throw new NotImplementedException();
}
public EnumFORMATETC(DATADIR dir, IEnumerable cache) {
this.cache = cache;
this.dir = dir;
e = cache.GetEnumerator();
}
public Class940(DATADIR A_0, Struct33 A_1, Struct34 A_2)
{
this.struct33_0 = A_1;
this.struct34_0 = A_2;
this.datadir_0 = A_0;
}
/// <summary>
/// The IntPtr is data allocated that should be removed. It is allocated by the ProcessSelectionData method.
/// </summary>
/*internal, but public for FSharp.Project.dll*/ public DataCacheEntry(FORMATETC fmt, IntPtr data, DATADIR dir)
{
this.format = fmt;
this.data = (long)data;
this.dataDir = dir;
}
public DataCacheEntry(FORMATETC fmt, IntPtr data, DATADIR dir) {
this.format = fmt;
this.data = data;
this.dataDir = dir;
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
throw new NotImplementedException();
}
public EnumFORMATETC(DATADIR dir, IEnumerable cache)
{
this.cache = cache;
this.dir = dir;
e = cache.GetEnumerator();
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
ComDebug.ReportInfo("{0}.IDataObject.EnumFormatEtc", this.GetType().Name);
try
{
// We only support GET
if (DATADIR.DATADIR_GET == direction)
return new EnumFormatEtc(new List<FORMATETC>(Renderings.Select(x => x.format)));
}
catch (Exception e)
{
ComDebug.ReportError("{0}.IDataObject.EnumFormatEtc exception: {1}", this.GetType().Name, e);
throw;
}
throw new NotImplementedException("Can not use registry here because a return value is not supported");
}
public int EnumFormatEtc(DATADIR direction, out IEnumFORMATETC ppenumFormatEtc)
{
IEnumFORMATETC origEnum = null;
try
{
log.DebugFormat("IDataObject.EnumFormatEtc called -- direction {0}", direction);
switch (direction)
{
case DATADIR.DATADIR_GET:
//Get original enumerator
int result = innerData.EnumFormatEtc(direction, out origEnum);
if (result != NativeMethods.S_OK)
{
ppenumFormatEtc = null;
return(result);
}
//Enumerate original formats
List <FORMATETC> formats = new List <FORMATETC>();
FORMATETC[] buffer = new FORMATETC[] { new FORMATETC() };
while (origEnum.Next(1, buffer, null) == NativeMethods.S_OK)
{
//Convert format from short to unsigned short
ushort cfFormat = (ushort)buffer[0].cfFormat;
//Do not return text formats -- some applications try to get text before files
if (cfFormat != NativeMethods.CF_TEXT && cfFormat != NativeMethods.CF_UNICODETEXT && cfFormat != (ushort)DataObjectHelper.GetClipboardFormat("Csv"))
{
formats.Add(buffer[0]);
}
}
//Add CF_HDROP format
FORMATETC format = new FORMATETC();
format.cfFormat = NativeMethods.CF_HDROP;
format.dwAspect = DVASPECT.DVASPECT_CONTENT;
format.lindex = -1;
format.ptd = IntPtr.Zero;
format.tymed = TYMED.TYMED_HGLOBAL;
formats.Add(format);
//Return new enumerator for available formats
ppenumFormatEtc = new FormatEtcEnumerator(formats.ToArray());
return(NativeMethods.S_OK);
case DATADIR.DATADIR_SET:
//Return original enumerator
return(innerData.EnumFormatEtc(direction, out ppenumFormatEtc));
default:
//Invalid direction
ppenumFormatEtc = null;
return(NativeMethods.E_INVALIDARG);
}
}
catch (Exception ex)
{
log.Error("Exception in IDataObject.EnumFormatEtc", ex);
ppenumFormatEtc = null;
return(NativeMethods.E_UNEXPECTED);
}
finally
{
//Release all unmanaged objects
if (origEnum != null)
{
Marshal.ReleaseComObject(origEnum);
}
}
}
IEnumFORMATETC IComDataObject.EnumFormatEtc(DATADIR dwDirection) {
Debug.WriteLineIf(CompModSwitches.DataObject.TraceVerbose, "EnumFormatEtc: " + dwDirection.ToString());
if (innerData is OleConverter) {
return ((OleConverter)innerData).OleDataObject.EnumFormatEtc(dwDirection);
}
if (dwDirection == DATADIR.DATADIR_GET) {
return new FormatEnumerator(this);
}
else {
throw new ExternalException(SR.GetString(SR.ExternalException), NativeMethods.E_NOTIMPL);
}
}
/// <summary>
/// The IntPtr is data allocated that should be removed. It is allocated by the ProcessSelectionData method.
/// </summary>
public DataCacheEntry(FORMATETC fmt, SafeGlobalAllocHandle data, DATADIR dir)
{
this.format = fmt;
this.data = data;
this.dataDir = dir;
}
public DataCacheEntry(FORMATETC fmt, IntPtr data, DATADIR dir)
{
this.format = fmt;
this.data = (long)data;
this.dataDir = dir;
}
private IEnumFORMATETC EnumFormatEtcInner(DATADIR dwDirection)
{
IEnumFORMATETC enumFORMATETC;
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert(); // BlessedAssert
try
{
enumFORMATETC = _innerData.EnumFormatEtc(dwDirection);
}
finally
{
SecurityPermission.RevertAssert();
}
return enumFORMATETC;
}
IEnumFORMATETC System.Runtime.InteropServices.ComTypes.IDataObject.EnumFormatEtc(DATADIR direction)
{
var innerEnumerator = _innerComDataObject.EnumFormatEtc(direction);
if (direction != DATADIR.DATADIR_GET)
{
return(innerEnumerator);
}
var formats = new List <FORMATETC>(5 + _fileContents.Count);
var tmp = new FORMATETC[5];
var fetched = new int[2];
int result;
do
{
result = innerEnumerator.Next(5, tmp, fetched);
for (var i = 0; i < fetched[0]; ++i)
{
formats.Add(tmp[i]);
}
} while (result == 0);
formats.AddRange(_fileContents.Select(c => c.Format));
return(new FormatEnumerator(formats));
}
IEnumFORMATETC IComDataObject.EnumFormatEtc(DATADIR dwDirection)
{
if (_innerData is OleConverter)
{
return ((OleConverter)_innerData).OleDataObject.EnumFormatEtc(dwDirection);
}
if (dwDirection == DATADIR.DATADIR_GET)
{
return new FormatEnumerator(this);
}
else
{
throw new ExternalException(SR.Get(SRID.DataObject_NotImplementedEnumFormatEtc, dwDirection), NativeMethods.E_NOTIMPL);
}
}
/// <summary>
/// Creates an object for enumerating the <see cref="T:System.Runtime.InteropServices.ComTypes.FORMATETC"/>
/// structures for a data object. These structures are used in calls to GetData() or SetData().</summary>
/// <returns>This method supports the standard return values E_INVALIDARG and E_OUTOFMEMORY, as well as the following:
/// S_OK -- The enumerator object was successfully created.
/// E_NOTIMPL -- The direction specified by the <paramref name="direction"/> parameter is not supported.
/// OLE_S_USEREG -- Requests that OLE enumerate the formats from the registry.</returns>
/// <param name="direction">Specifies the direction of the data.</param>
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
if (direction == DATADIR.DATADIR_GET)
{
var list = m_oleStorage.Select(data => data.Format).ToArray();
return new FormatEnumerator(list);
}
throw new NotImplementedException("OLE_S_USEREG");
}
/// <summary>
/// The IntPtr is data allocated that should be removed. It is allocated by the ProcessSelectionData method.
/// </summary>
internal DataCacheEntry(FORMATETC fmt, IntPtr data, DATADIR dir)
{
this.Format = fmt;
this.Data = (long)data;
this.DataDir = dir;
}
IEnumFORMATETC IDataObject.EnumFormatEtc(DATADIR direction) {
if (direction == DATADIR.DATADIR_GET) {
if (0 == _dataObjects.Count) {
// Note: SHCreateStdEnumFmtEtc fails for a count of 0; throw helpful exception
throw new InvalidOperationException("VirtualFileDataObject requires at least one data object to enumerate.");
}
// Create enumerator and return it
IEnumFORMATETC enumerator;
if (
NativeMethods.Succeeded(NativeMethods.SHCreateStdEnumFmtEtc((uint)(_dataObjects.Count),
_dataObjects.Select(d => d.FORMATETC).ToArray(),
out enumerator))) {
return enumerator;
}
// Returning null here can cause an AV in the caller; throw instead
Marshal.ThrowExceptionForHR(NativeMethods.E_FAIL);
}
throw new NotImplementedException();
}
public IEnumFORMATETC EnumFormatEtc(DATADIR direction)
{
if (DATADIR.DATADIR_GET == direction)
return (IEnumFORMATETC)new Advent.Common.Interop.DataObject.EnumFORMATETC(this.storage);
else
throw new NotImplementedException("OLE_S_USEREG");
}
/// <summary>
/// The IntPtr is data allocated that should be removed. It is allocated by the ProcessSelectionData method.
/// </summary>
internal DataCacheEntry(FORMATETC fmt, IntPtr data, DATADIR dir) {
this.format = fmt;
this.data = (long)data;
this.dataDir = dir;
}
/// <summary>
/// Creates and returns a pointer to an object to enumerate the FORMATETC
/// supported by the data object
/// </summary>
/// <param name="dwDirection">Direction of the data through a value from
/// the enumeration DATADIR</param>
/// <param name="ppEnumFormatEtc">Address of IEnumFORMATETC* pointer variable
/// that receives the interface pointer to the new enumerator object</param>
public int EnumFormatEtc(DATADIR dwDirection, out IEnumFORMATETC ppEnumFormatEtc)
{
// don't support enumeration of set formats
if (dwDirection == DATADIR.SET)
{
ppEnumFormatEtc = null;
return HRESULT.E_NOTIMPL;
}
// return a new enumerator for our data entries
IEnumFORMATETC enumerator = new EnumFORMATETC(oleDataEntries);
enumerators.Add(enumerator);
ppEnumFormatEtc = enumerator;
return HRESULT.S_OK;
}
