Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Base / MS / Internal / interop / OlePropertyStructs.cs / 1 / OlePropertyStructs.cs
//------------------------------------------------------------------------------
//
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//
// Description:
// These structures and constants are managed equivalents to COM structures
// used to access OLE properties.
//
// History:
// 01/26/2004: BruceMac: Initial implementation.
// 08/26/2004: JohnLarc: Moved to internal namespace MS.Internal.Interop.
// 06/23/2005: LGolding: Split out from IndexingFilter.cs, because these
// structs are now needed by both the EncryptedPackageCoreProperties
// class in WindowsBase and the IFilterCode in PresentationFramework.
//
//-----------------------------------------------------------------------------
using System;
using System.Runtime.InteropServices;
using MS.Internal.WindowsBase; // for FriendAccessAllowedAttribute
namespace MS.Internal.Interop
{
[StructLayout(LayoutKind.Sequential, Pack = 0)]
internal struct STATPROPSTG
{
[MarshalAs(UnmanagedType.LPWStr)]
string lpwstrName;
UInt32 propid;
VARTYPE vt;
}
[StructLayout(LayoutKind.Sequential, Pack = 0)]
internal struct STATPROPSETSTG
{
Guid fmtid;
Guid clsid;
UInt32 grfFlags;
System.Runtime.InteropServices.ComTypes.FILETIME mtime;
System.Runtime.InteropServices.ComTypes.FILETIME ctime;
System.Runtime.InteropServices.ComTypes.FILETIME atime;
UInt32 dwOSVersion;
}
#region PROPVARIANT
///
/// Managed view of unmanaged PROPVARIANT type
///
///
/// PROPVARIANT can represent many different things. We are only interested in strings
/// for this version but the full range of values is listed her for completeness.
///
/// typedef unsigned short VARTYPE;
/// typedef unsigned short WORD;
/// typedef struct PROPVARIANT {
/// VARTYPE vt; WORD wReserved1; WORD wReserved2; WORD wReserved3;
/// union {
/// CHAR cVal;
/// UCHAR bVal;
/// SHORT iVal;
/// USHORT uiVal;
/// LONG lVal;
/// INT intVal;
/// ULONG ulVal;
/// UINT uintVal;
/// LARGE_INTEGER hVal;
/// ULARGE_INTEGER uhVal;
/// FLOAT fltVal; DOUBLE dblVal; CY cyVal; DATE date;
/// BSTR bstrVal; VARIANT_BOOL boolVal; SCODE scode;
/// FILETIME filetime; LPSTR pszVal; LPWSTR pwszVal;
/// CLSID* puuid; CLIPDATA* pclipdata; BLOB blob;
/// IStream* pStream; IStorage* pStorage; IUnknown* punkVal;
/// IDispatch* pdispVal; LPSAFEARRAY parray; CAC cac;
/// CAUB caub; CAI cai; CAUI caui; CAL cal; CAUL caul;
/// CAH cah; CAUH cauh; CAFLT caflt; CADBL cadbl;
/// CACY cacy; CADATE cadate; CABSTR cabstr;
/// CABOOL cabool; CASCODE cascode; CALPSTR calpstr;
/// CALPWSTR calpwstr; CAFILETIME cafiletime; CACLSID cauuid;
/// CACLIPDATA caclipdata; CAPROPVARIANT capropvar;
/// CHAR* pcVal; UCHAR* pbVal; SHORT* piVal; USHORT* puiVal;
/// LONG* plVal; ULONG* pulVal; INT* pintVal; UINT* puintVal;
/// FLOAT* pfltVal; DOUBLE* pdblVal; VARIANT_BOOL* pboolVal;
/// DECIMAL* pdecVal; SCODE* pscode; CY* pcyVal;
/// PROPVARIANT* pvarVal;
/// };
/// } PROPVARIANT;
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct PROPVARIANT
{
///
/// Variant type
///
internal VARTYPE vt;
///
/// unused
///
internal ushort wReserved1;
///
/// unused
///
internal ushort wReserved2;
///
/// unused
///
internal ushort wReserved3;
///
/// union where the actual variant value lives
///
internal PropVariantUnion union;
}
///
/// enumeration for all legal types of a PROPVARIANT
///
/// add definitions as needed
[FriendAccessAllowed]
internal enum VARTYPE : short
{
///
/// BSTR
///
VT_BSTR = 8, // BSTR allocated using SysAllocString
///
/// LPSTR
///
VT_LPSTR = 30,
///
/// FILETIME
///
VT_FILETIME = 64,
}
///
/// Union portion of PROPVARIANT
///
///
/// All fields (or their placeholders) are declared even if
/// they are not used. This is to make sure that the size of
/// the union matches the size of the union in
/// the actual unmanaged PROPVARIANT structure
/// for all architectures (32-bit/64-bit).
/// Points to note:
/// - All pointer type fields are declared as IntPtr.
/// - CAxxx type fields (like CAC, CAUB, etc.) are all of same
/// structural layout, hence not all declared individually
/// since they are not used. A placeholder CArray
/// is used to represent all of them to account for the
/// size of these types. CArray is defined later.
/// - Rest of the fields are declared with corresponding
/// managed equivalent types.
///
[StructLayout(LayoutKind.Explicit)]
[FriendAccessAllowed]
internal struct PropVariantUnion
{
///
/// CHAR
///
[FieldOffset(0)]
internal sbyte cVal;
///
/// UCHAR
///
[FieldOffset(0)]
internal byte bVal;
///
/// SHORT
///
[FieldOffset(0)]
internal short iVal;
///
/// USHORT
///
[FieldOffset(0)]
internal ushort uiVal;
///
/// LONG
///
[FieldOffset(0)]
internal int lVal;
///
/// ULONG
///
[FieldOffset(0)]
internal uint ulVal;
///
/// INT
///
[FieldOffset(0)]
internal int intVal;
///
/// UINT
///
[FieldOffset(0)]
internal uint uintVal;
///
/// LARGE_INTEGER
///
[FieldOffset(0)]
internal Int64 hVal;
///
/// ULARGE_INTEGER
///
[FieldOffset(0)]
internal UInt64 uhVal;
///
/// FLOAT
///
[FieldOffset(0)]
internal float fltVal;
///
/// DOUBLE
///
[FieldOffset(0)]
internal double dblVal;
///
/// VARIANT_BOOL
///
[FieldOffset(0)]
internal short boolVal;
///
/// SCODE
///
[FieldOffset(0)]
internal int scode;
///
/// CY
///
[FieldOffset(0)]
internal CY cyVal;
///
/// DATE
///
[FieldOffset(0)]
internal double date;
///
/// FILETIME
///
[FieldOffset(0)]
internal System.Runtime.InteropServices.ComTypes.FILETIME filetime;
///
/// CLSID*
///
[FieldOffset(0)]
internal IntPtr puuid;
///
/// CLIPDATA*
///
[FieldOffset(0)]
internal IntPtr pclipdata;
///
/// BSTR
///
[FieldOffset(0)]
internal IntPtr bstrVal;
///
/// BSTRBLOB
///
[FieldOffset(0)]
internal BSTRBLOB bstrblobVal;
///
/// BLOB
///
[FieldOffset(0)]
internal BLOB blob;
///
/// LPSTR
///
[FieldOffset(0)]
internal IntPtr pszVal;
///
/// LPWSTR
///
[FieldOffset(0)]
internal IntPtr pwszVal;
///
/// IUnknown*
///
[FieldOffset(0)]
internal IntPtr punkVal;
///
/// IDispatch*
///
[FieldOffset(0)]
internal IntPtr pdispVal;
///
/// IStream*
///
[FieldOffset(0)]
internal IntPtr pStream;
///
/// IStorage*
///
[FieldOffset(0)]
internal IntPtr pStorage;
///
/// LPVERSIONEDSTREAM
///
[FieldOffset(0)]
internal IntPtr pVersionedStream;
///
/// LPSAFEARRAY
///
[FieldOffset(0)]
internal IntPtr parray;
///
/// Placeholder for
/// CAC, CAUB, CAI, CAUI, CAL, CAUL, CAH, CAUH; CAFLT,
/// CADBL, CABOOL, CASCODE, CACY, CADATE, CAFILETIME,
/// CACLSID, CACLIPDATA, CABSTR, CABSTRBLOB,
/// CALPSTR, CALPWSTR, CAPROPVARIANT
///
[FieldOffset(0)]
internal CArray cArray;
///
/// CHAR*
///
[FieldOffset(0)]
internal IntPtr pcVal;
///
/// UCHAR*
///
[FieldOffset(0)]
internal IntPtr pbVal;
///
/// SHORT*
///
[FieldOffset(0)]
internal IntPtr piVal;
///
/// USHORT*
///
[FieldOffset(0)]
internal IntPtr puiVal;
///
/// LONG*
///
[FieldOffset(0)]
internal IntPtr plVal;
///
/// ULONG*
///
[FieldOffset(0)]
internal IntPtr pulVal;
///
/// INT*
///
[FieldOffset(0)]
internal IntPtr pintVal;
///
/// UINT*
///
[FieldOffset(0)]
internal IntPtr puintVal;
///
/// FLOAT*
///
[FieldOffset(0)]
internal IntPtr pfltVal;
///
/// DOUBLE*
///
[FieldOffset(0)]
internal IntPtr pdblVal;
///
/// VARIANT_BOOL*
///
[FieldOffset(0)]
internal IntPtr pboolVal;
///
/// DECIMAL*
///
[FieldOffset(0)]
internal IntPtr pdecVal;
///
/// SCODE*
///
[FieldOffset(0)]
internal IntPtr pscode;
///
/// CY*
///
[FieldOffset(0)]
internal IntPtr pcyVal;
///
/// DATE*
///
[FieldOffset(0)]
internal IntPtr pdate;
///
/// BSTR*
///
[FieldOffset(0)]
internal IntPtr pbstrVal;
///
/// IUnknown**
///
[FieldOffset(0)]
internal IntPtr ppunkVal;
///
/// IDispatch**
///
[FieldOffset(0)]
internal IntPtr ppdispVal;
///
/// LPSAFEARRAY*
///
[FieldOffset(0)]
internal IntPtr pparray;
///
/// PROPVARIANT*
///
[FieldOffset(0)]
internal IntPtr pvarVal;
}
#region Structs used by PropVariantUnion
//
// NOTE: Verifiability requires that the
// fields of these value-types need to be public
// since PropVariantUnion has explicit layout,
// and has these value-types as its fields in a way that
// overlaps with other PropVariantUnion fields
// (same FieldOffset for multiple fields).
//
///
/// CY, used in PropVariantUnion.
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct CY
{
public uint Lo;
public int Hi;
}
///
/// BSTRBLOB, used in PropVariantUnion.
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct BSTRBLOB
{
public uint cbSize;
public IntPtr pData;
}
///
/// BLOB, used in PropVariantUnion.
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct BLOB
{
public uint cbSize;
public IntPtr pBlobData;
}
///
/// CArray, used in PropVariantUnion.
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct CArray
{
public uint cElems;
public IntPtr pElems;
}
#endregion Structs used by PropVariantUnion
#endregion PROPVARIANT
#region PROPSPEC
///
/// Selector for union
///
[FriendAccessAllowed]
internal enum PropSpecType : int
{
///
/// type is a string
///
Name = 0,
///
/// type is a property id
///
Id = 1,
}
///
/// Explicitly packed union
///
[StructLayout(LayoutKind.Explicit)]
[FriendAccessAllowed]
internal struct PROPSPECunion
{
///
/// first value of union - String
///
[FieldOffset(0)]
internal IntPtr name; // kind=0
///
/// second value of union - ULong
///
[FieldOffset(0)]
internal uint propId; // kind=1
}
///
/// PROPSPEC - needed for IFilter.Init to specify which properties to extract
///
///
/// typedef struct tagPROPSPEC
/// {
/// ULONG ulKind;
/// union {
/// PROPID propid; // ulKind = 1
/// LPOLESTR lpwstr; // ulKind = 0
/// };
/// } PROPSPEC;
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct PROPSPEC
{
///
/// Selector value
///
internal uint propType; // ULONG in COM is UInt32 in .NET
///
/// Union struct
///
internal PROPSPECunion union;
}
#endregion PROPSPEC
#region FormatId
///
/// Format identifiers.
///
[FriendAccessAllowed]
internal static class FormatId
{
///
/// Property sets.
///
///
/// Can't be declared readonly since they have to passed by ref
/// to EncryptedPackageCoreProperties.GetOleProperty, because
/// IPropertyStorage.ReadMultiple takes a "ref Guid" as its first argument.
///
internal static Guid SummaryInformation =
new Guid("{F29F85E0-4FF9-1068-AB91-08002B27B3D9}");
internal static Guid DocumentSummaryInformation =
new Guid("{D5CDD502-2E9C-101B-9397-08002B2CF9AE}");
}
#endregion FormatId
#region PropertyId
///
/// Property identifiers.
///
[FriendAccessAllowed]
internal static class PropertyId
{
///
/// Summary Information property identifiers.
///
internal const uint Title = 0x00000002;
internal const uint Subject = 0x00000003;
internal const uint Creator = 0x00000004;
internal const uint Keywords = 0x00000005;
internal const uint Description = 0x00000006;
internal const uint LastModifiedBy = 0x00000008;
internal const uint Revision = 0x00000009;
internal const uint LastPrinted = 0x0000000B;
internal const uint DateCreated = 0x0000000C;
internal const uint DateModified = 0x0000000D;
///
/// Document Summary Information property identifiers.
///
internal const uint Category = 0x00000002;
internal const uint Identifier = 0x00000012;
internal const uint ContentType = 0x0000001A;
internal const uint Language = 0x0000001B;
internal const uint Version = 0x0000001C;
internal const uint ContentStatus = 0x0000001D;
}
#endregion PropertyId
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------------
//
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//
// Description:
// These structures and constants are managed equivalents to COM structures
// used to access OLE properties.
//
// History:
// 01/26/2004: BruceMac: Initial implementation.
// 08/26/2004: JohnLarc: Moved to internal namespace MS.Internal.Interop.
// 06/23/2005: LGolding: Split out from IndexingFilter.cs, because these
// structs are now needed by both the EncryptedPackageCoreProperties
// class in WindowsBase and the IFilterCode in PresentationFramework.
//
//-----------------------------------------------------------------------------
using System;
using System.Runtime.InteropServices;
using MS.Internal.WindowsBase; // for FriendAccessAllowedAttribute
namespace MS.Internal.Interop
{
[StructLayout(LayoutKind.Sequential, Pack = 0)]
internal struct STATPROPSTG
{
[MarshalAs(UnmanagedType.LPWStr)]
string lpwstrName;
UInt32 propid;
VARTYPE vt;
}
[StructLayout(LayoutKind.Sequential, Pack = 0)]
internal struct STATPROPSETSTG
{
Guid fmtid;
Guid clsid;
UInt32 grfFlags;
System.Runtime.InteropServices.ComTypes.FILETIME mtime;
System.Runtime.InteropServices.ComTypes.FILETIME ctime;
System.Runtime.InteropServices.ComTypes.FILETIME atime;
UInt32 dwOSVersion;
}
#region PROPVARIANT
///
/// Managed view of unmanaged PROPVARIANT type
///
///
/// PROPVARIANT can represent many different things. We are only interested in strings
/// for this version but the full range of values is listed her for completeness.
///
/// typedef unsigned short VARTYPE;
/// typedef unsigned short WORD;
/// typedef struct PROPVARIANT {
/// VARTYPE vt; WORD wReserved1; WORD wReserved2; WORD wReserved3;
/// union {
/// CHAR cVal;
/// UCHAR bVal;
/// SHORT iVal;
/// USHORT uiVal;
/// LONG lVal;
/// INT intVal;
/// ULONG ulVal;
/// UINT uintVal;
/// LARGE_INTEGER hVal;
/// ULARGE_INTEGER uhVal;
/// FLOAT fltVal; DOUBLE dblVal; CY cyVal; DATE date;
/// BSTR bstrVal; VARIANT_BOOL boolVal; SCODE scode;
/// FILETIME filetime; LPSTR pszVal; LPWSTR pwszVal;
/// CLSID* puuid; CLIPDATA* pclipdata; BLOB blob;
/// IStream* pStream; IStorage* pStorage; IUnknown* punkVal;
/// IDispatch* pdispVal; LPSAFEARRAY parray; CAC cac;
/// CAUB caub; CAI cai; CAUI caui; CAL cal; CAUL caul;
/// CAH cah; CAUH cauh; CAFLT caflt; CADBL cadbl;
/// CACY cacy; CADATE cadate; CABSTR cabstr;
/// CABOOL cabool; CASCODE cascode; CALPSTR calpstr;
/// CALPWSTR calpwstr; CAFILETIME cafiletime; CACLSID cauuid;
/// CACLIPDATA caclipdata; CAPROPVARIANT capropvar;
/// CHAR* pcVal; UCHAR* pbVal; SHORT* piVal; USHORT* puiVal;
/// LONG* plVal; ULONG* pulVal; INT* pintVal; UINT* puintVal;
/// FLOAT* pfltVal; DOUBLE* pdblVal; VARIANT_BOOL* pboolVal;
/// DECIMAL* pdecVal; SCODE* pscode; CY* pcyVal;
/// PROPVARIANT* pvarVal;
/// };
/// } PROPVARIANT;
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct PROPVARIANT
{
///
/// Variant type
///
internal VARTYPE vt;
///
/// unused
///
internal ushort wReserved1;
///
/// unused
///
internal ushort wReserved2;
///
/// unused
///
internal ushort wReserved3;
///
/// union where the actual variant value lives
///
internal PropVariantUnion union;
}
///
/// enumeration for all legal types of a PROPVARIANT
///
/// add definitions as needed
[FriendAccessAllowed]
internal enum VARTYPE : short
{
///
/// BSTR
///
VT_BSTR = 8, // BSTR allocated using SysAllocString
///
/// LPSTR
///
VT_LPSTR = 30,
///
/// FILETIME
///
VT_FILETIME = 64,
}
///
/// Union portion of PROPVARIANT
///
///
/// All fields (or their placeholders) are declared even if
/// they are not used. This is to make sure that the size of
/// the union matches the size of the union in
/// the actual unmanaged PROPVARIANT structure
/// for all architectures (32-bit/64-bit).
/// Points to note:
/// - All pointer type fields are declared as IntPtr.
/// - CAxxx type fields (like CAC, CAUB, etc.) are all of same
/// structural layout, hence not all declared individually
/// since they are not used. A placeholder CArray
/// is used to represent all of them to account for the
/// size of these types. CArray is defined later.
/// - Rest of the fields are declared with corresponding
/// managed equivalent types.
///
[StructLayout(LayoutKind.Explicit)]
[FriendAccessAllowed]
internal struct PropVariantUnion
{
///
/// CHAR
///
[FieldOffset(0)]
internal sbyte cVal;
///
/// UCHAR
///
[FieldOffset(0)]
internal byte bVal;
///
/// SHORT
///
[FieldOffset(0)]
internal short iVal;
///
/// USHORT
///
[FieldOffset(0)]
internal ushort uiVal;
///
/// LONG
///
[FieldOffset(0)]
internal int lVal;
///
/// ULONG
///
[FieldOffset(0)]
internal uint ulVal;
///
/// INT
///
[FieldOffset(0)]
internal int intVal;
///
/// UINT
///
[FieldOffset(0)]
internal uint uintVal;
///
/// LARGE_INTEGER
///
[FieldOffset(0)]
internal Int64 hVal;
///
/// ULARGE_INTEGER
///
[FieldOffset(0)]
internal UInt64 uhVal;
///
/// FLOAT
///
[FieldOffset(0)]
internal float fltVal;
///
/// DOUBLE
///
[FieldOffset(0)]
internal double dblVal;
///
/// VARIANT_BOOL
///
[FieldOffset(0)]
internal short boolVal;
///
/// SCODE
///
[FieldOffset(0)]
internal int scode;
///
/// CY
///
[FieldOffset(0)]
internal CY cyVal;
///
/// DATE
///
[FieldOffset(0)]
internal double date;
///
/// FILETIME
///
[FieldOffset(0)]
internal System.Runtime.InteropServices.ComTypes.FILETIME filetime;
///
/// CLSID*
///
[FieldOffset(0)]
internal IntPtr puuid;
///
/// CLIPDATA*
///
[FieldOffset(0)]
internal IntPtr pclipdata;
///
/// BSTR
///
[FieldOffset(0)]
internal IntPtr bstrVal;
///
/// BSTRBLOB
///
[FieldOffset(0)]
internal BSTRBLOB bstrblobVal;
///
/// BLOB
///
[FieldOffset(0)]
internal BLOB blob;
///
/// LPSTR
///
[FieldOffset(0)]
internal IntPtr pszVal;
///
/// LPWSTR
///
[FieldOffset(0)]
internal IntPtr pwszVal;
///
/// IUnknown*
///
[FieldOffset(0)]
internal IntPtr punkVal;
///
/// IDispatch*
///
[FieldOffset(0)]
internal IntPtr pdispVal;
///
/// IStream*
///
[FieldOffset(0)]
internal IntPtr pStream;
///
/// IStorage*
///
[FieldOffset(0)]
internal IntPtr pStorage;
///
/// LPVERSIONEDSTREAM
///
[FieldOffset(0)]
internal IntPtr pVersionedStream;
///
/// LPSAFEARRAY
///
[FieldOffset(0)]
internal IntPtr parray;
///
/// Placeholder for
/// CAC, CAUB, CAI, CAUI, CAL, CAUL, CAH, CAUH; CAFLT,
/// CADBL, CABOOL, CASCODE, CACY, CADATE, CAFILETIME,
/// CACLSID, CACLIPDATA, CABSTR, CABSTRBLOB,
/// CALPSTR, CALPWSTR, CAPROPVARIANT
///
[FieldOffset(0)]
internal CArray cArray;
///
/// CHAR*
///
[FieldOffset(0)]
internal IntPtr pcVal;
///
/// UCHAR*
///
[FieldOffset(0)]
internal IntPtr pbVal;
///
/// SHORT*
///
[FieldOffset(0)]
internal IntPtr piVal;
///
/// USHORT*
///
[FieldOffset(0)]
internal IntPtr puiVal;
///
/// LONG*
///
[FieldOffset(0)]
internal IntPtr plVal;
///
/// ULONG*
///
[FieldOffset(0)]
internal IntPtr pulVal;
///
/// INT*
///
[FieldOffset(0)]
internal IntPtr pintVal;
///
/// UINT*
///
[FieldOffset(0)]
internal IntPtr puintVal;
///
/// FLOAT*
///
[FieldOffset(0)]
internal IntPtr pfltVal;
///
/// DOUBLE*
///
[FieldOffset(0)]
internal IntPtr pdblVal;
///
/// VARIANT_BOOL*
///
[FieldOffset(0)]
internal IntPtr pboolVal;
///
/// DECIMAL*
///
[FieldOffset(0)]
internal IntPtr pdecVal;
///
/// SCODE*
///
[FieldOffset(0)]
internal IntPtr pscode;
///
/// CY*
///
[FieldOffset(0)]
internal IntPtr pcyVal;
///
/// DATE*
///
[FieldOffset(0)]
internal IntPtr pdate;
///
/// BSTR*
///
[FieldOffset(0)]
internal IntPtr pbstrVal;
///
/// IUnknown**
///
[FieldOffset(0)]
internal IntPtr ppunkVal;
///
/// IDispatch**
///
[FieldOffset(0)]
internal IntPtr ppdispVal;
///
/// LPSAFEARRAY*
///
[FieldOffset(0)]
internal IntPtr pparray;
///
/// PROPVARIANT*
///
[FieldOffset(0)]
internal IntPtr pvarVal;
}
#region Structs used by PropVariantUnion
//
// NOTE: Verifiability requires that the
// fields of these value-types need to be public
// since PropVariantUnion has explicit layout,
// and has these value-types as its fields in a way that
// overlaps with other PropVariantUnion fields
// (same FieldOffset for multiple fields).
//
///
/// CY, used in PropVariantUnion.
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct CY
{
public uint Lo;
public int Hi;
}
///
/// BSTRBLOB, used in PropVariantUnion.
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct BSTRBLOB
{
public uint cbSize;
public IntPtr pData;
}
///
/// BLOB, used in PropVariantUnion.
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct BLOB
{
public uint cbSize;
public IntPtr pBlobData;
}
///
/// CArray, used in PropVariantUnion.
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct CArray
{
public uint cElems;
public IntPtr pElems;
}
#endregion Structs used by PropVariantUnion
#endregion PROPVARIANT
#region PROPSPEC
///
/// Selector for union
///
[FriendAccessAllowed]
internal enum PropSpecType : int
{
///
/// type is a string
///
Name = 0,
///
/// type is a property id
///
Id = 1,
}
///
/// Explicitly packed union
///
[StructLayout(LayoutKind.Explicit)]
[FriendAccessAllowed]
internal struct PROPSPECunion
{
///
/// first value of union - String
///
[FieldOffset(0)]
internal IntPtr name; // kind=0
///
/// second value of union - ULong
///
[FieldOffset(0)]
internal uint propId; // kind=1
}
///
/// PROPSPEC - needed for IFilter.Init to specify which properties to extract
///
///
/// typedef struct tagPROPSPEC
/// {
/// ULONG ulKind;
/// union {
/// PROPID propid; // ulKind = 1
/// LPOLESTR lpwstr; // ulKind = 0
/// };
/// } PROPSPEC;
///
[StructLayout(LayoutKind.Sequential, Pack = 0)]
[FriendAccessAllowed]
internal struct PROPSPEC
{
///
/// Selector value
///
internal uint propType; // ULONG in COM is UInt32 in .NET
///
/// Union struct
///
internal PROPSPECunion union;
}
#endregion PROPSPEC
#region FormatId
///
/// Format identifiers.
///
[FriendAccessAllowed]
internal static class FormatId
{
///
/// Property sets.
///
///
/// Can't be declared readonly since they have to passed by ref
/// to EncryptedPackageCoreProperties.GetOleProperty, because
/// IPropertyStorage.ReadMultiple takes a "ref Guid" as its first argument.
///
internal static Guid SummaryInformation =
new Guid("{F29F85E0-4FF9-1068-AB91-08002B27B3D9}");
internal static Guid DocumentSummaryInformation =
new Guid("{D5CDD502-2E9C-101B-9397-08002B2CF9AE}");
}
#endregion FormatId
#region PropertyId
///
/// Property identifiers.
///
[FriendAccessAllowed]
internal static class PropertyId
{
///
/// Summary Information property identifiers.
///
internal const uint Title = 0x00000002;
internal const uint Subject = 0x00000003;
internal const uint Creator = 0x00000004;
internal const uint Keywords = 0x00000005;
internal const uint Description = 0x00000006;
internal const uint LastModifiedBy = 0x00000008;
internal const uint Revision = 0x00000009;
internal const uint LastPrinted = 0x0000000B;
internal const uint DateCreated = 0x0000000C;
internal const uint DateModified = 0x0000000D;
///
/// Document Summary Information property identifiers.
///
internal const uint Category = 0x00000002;
internal const uint Identifier = 0x00000012;
internal const uint ContentType = 0x0000001A;
internal const uint Language = 0x0000001B;
internal const uint Version = 0x0000001C;
internal const uint ContentStatus = 0x0000001D;
}
#endregion PropertyId
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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