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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=============================================================================
**
**
**
** Purpose: IStream interface definition.
**
**
=============================================================================*/
using System;
namespace System.Runtime.InteropServices.ComTypes
{
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct STATSTG
{
public String pwcsName;
public int type;
public Int64 cbSize;
public FILETIME mtime;
public FILETIME ctime;
public FILETIME atime;
public int grfMode;
public int grfLocksSupported;
public Guid clsid;
public int grfStateBits;
public int reserved;
}
[Guid("0000000c-0000-0000-C000-000000000046")]
[InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
[ComImport]
public interface IStream
{
// ISequentialStream portion
void Read([MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1), Out] Byte[] pv, int cb, IntPtr pcbRead);
void Write([MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] Byte[] pv, int cb, IntPtr pcbWritten);
// IStream portion
void Seek(Int64 dlibMove, int dwOrigin, IntPtr plibNewPosition);
void SetSize(Int64 libNewSize);
void CopyTo(IStream pstm, Int64 cb, IntPtr pcbRead, IntPtr pcbWritten);
void Commit(int grfCommitFlags);
void Revert();
void LockRegion(Int64 libOffset, Int64 cb, int dwLockType);
void UnlockRegion(Int64 libOffset, Int64 cb, int dwLockType);
void Stat(out STATSTG pstatstg, int grfStatFlag);
void Clone(out IStream ppstm);
}
}
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