chore: use file-scoped namespace
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NaBian committed
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99d2fafb72
commit
bbf1b7d4c6
748 files changed
+57929
-58678
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@@ -5,267 +5,266 @@ using System.Runtime.InteropServices;
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using System.Security.Permissions;
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using HandyControl.Tools.Interop;
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namespace HandyControl.Data
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namespace HandyControl.Data;
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// ReSharper disable once InconsistentNaming
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internal class GPStream : InteropValues.IStream
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{
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// ReSharper disable once InconsistentNaming
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internal class GPStream : InteropValues.IStream
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protected Stream DataStream;
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// to support seeking ahead of the stream length...
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long _virtualPosition = -1;
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internal GPStream(Stream stream)
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{
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protected Stream DataStream;
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// to support seeking ahead of the stream length...
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long _virtualPosition = -1;
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internal GPStream(Stream stream)
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if (!stream.CanSeek)
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{
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if (!stream.CanSeek)
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const int readBlock = 256;
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var bytes = new byte[readBlock];
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int readLen;
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var current = 0;
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do
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{
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const int readBlock = 256;
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var bytes = new byte[readBlock];
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int readLen;
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var current = 0;
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do
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if (bytes.Length < current + readBlock)
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{
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if (bytes.Length < current + readBlock)
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{
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var newData = new byte[bytes.Length * 2];
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Array.Copy(bytes, newData, bytes.Length);
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bytes = newData;
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}
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readLen = stream.Read(bytes, current, readBlock);
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current += readLen;
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} while (readLen != 0);
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DataStream = new MemoryStream(bytes);
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}
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else
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{
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DataStream = stream;
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}
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}
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private void ActualizeVirtualPosition()
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{
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if (_virtualPosition == -1) return;
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if (_virtualPosition > DataStream.Length)
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DataStream.SetLength(_virtualPosition);
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DataStream.Position = _virtualPosition;
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_virtualPosition = -1;
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}
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public virtual InteropValues.IStream Clone()
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{
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NotImplemented();
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return null;
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}
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public virtual void Commit(int grfCommitFlags)
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{
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DataStream.Flush();
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// Extend the length of the file if needed.
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ActualizeVirtualPosition();
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}
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[
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UIPermission(SecurityAction.Demand, Window = UIPermissionWindow.AllWindows),
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SecurityPermission(SecurityAction.Assert, Flags = SecurityPermissionFlag.UnmanagedCode)
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]
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public virtual long CopyTo(InteropValues.IStream pstm, long cb, long[] pcbRead)
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{
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const int bufsize = 4096;
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var buffer = Marshal.AllocHGlobal(bufsize);
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if (buffer == IntPtr.Zero) throw new OutOfMemoryException();
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long written = 0;
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try
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{
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while (written < cb)
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{
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var toRead = bufsize;
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if (written + toRead > cb) toRead = (int) (cb - written);
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var read = Read(buffer, toRead);
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if (read == 0) break;
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if (pstm.Write(buffer, read) != read)
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{
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throw EFail("Wrote an incorrect number of bytes");
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}
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written += read;
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var newData = new byte[bytes.Length * 2];
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Array.Copy(bytes, newData, bytes.Length);
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bytes = newData;
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}
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}
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finally
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{
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Marshal.FreeHGlobal(buffer);
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}
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if (pcbRead != null && pcbRead.Length > 0)
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{
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pcbRead[0] = written;
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}
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readLen = stream.Read(bytes, current, readBlock);
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current += readLen;
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} while (readLen != 0);
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return written;
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DataStream = new MemoryStream(bytes);
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}
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public virtual Stream GetDataStream()
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else
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{
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return DataStream;
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}
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public virtual void LockRegion(long libOffset, long cb, int dwLockType)
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{
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}
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protected static ExternalException EFail(string msg)
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{
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throw new ExternalException(msg, InteropMethods.E_FAIL);
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}
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protected static void NotImplemented()
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{
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throw new ExternalException("NotImplemented");
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}
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public virtual int Read(IntPtr buf, int length)
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{
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var buffer = new byte[length];
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var count = Read(buffer, length);
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Marshal.Copy(buffer, 0, buf, length);
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return count;
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}
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public virtual int Read(byte[] buffer, int length)
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{
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ActualizeVirtualPosition();
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return DataStream.Read(buffer, 0, length);
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}
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public virtual void Revert()
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{
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NotImplemented();
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}
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public virtual long Seek(long offset, int origin)
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{
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var pos = _virtualPosition;
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if (_virtualPosition == -1)
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{
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pos = DataStream.Position;
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}
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var len = DataStream.Length;
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switch (origin)
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{
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case InteropValues.StreamConsts.STREAM_SEEK_SET:
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if (offset <= len)
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{
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DataStream.Position = offset;
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_virtualPosition = -1;
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}
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else
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{
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_virtualPosition = offset;
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}
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break;
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case InteropValues.StreamConsts.STREAM_SEEK_END:
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if (offset <= 0)
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{
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DataStream.Position = len + offset;
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_virtualPosition = -1;
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}
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else
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{
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_virtualPosition = len + offset;
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}
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break;
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case InteropValues.StreamConsts.STREAM_SEEK_CUR:
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if (offset + pos <= len)
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{
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DataStream.Position = pos + offset;
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_virtualPosition = -1;
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}
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else
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{
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_virtualPosition = offset + pos;
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}
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break;
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}
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return _virtualPosition != -1 ? _virtualPosition : DataStream.Position;
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}
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public virtual void SetSize(long value)
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{
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DataStream.SetLength(value);
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}
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public void Stat(IntPtr pstatstg, int grfStatFlag)
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{
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var stats = new STATSTG { cbSize = DataStream.Length };
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Marshal.StructureToPtr(stats, pstatstg, true);
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}
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public virtual void UnlockRegion(long libOffset, long cb, int dwLockType)
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{
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}
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public virtual int Write(IntPtr buf, int length)
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{
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var buffer = new byte[length];
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Marshal.Copy(buf, buffer, 0, length);
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return Write(buffer, length);
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}
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public virtual int Write(byte[] buffer, int length)
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{
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ActualizeVirtualPosition();
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DataStream.Write(buffer, 0, length);
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return length;
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}
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[StructLayout(LayoutKind.Sequential)]
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[SuppressMessage("ReSharper", "InconsistentNaming")]
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public class STATSTG
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{
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[SuppressMessage("Microsoft.Reliability", "CA2006:UseSafeHandleToEncapsulateNativeResources")]
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public IntPtr pwcsName = IntPtr.Zero;
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public int type;
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[MarshalAs(UnmanagedType.I8)]
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public long cbSize;
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[MarshalAs(UnmanagedType.I8)]
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public long mtime;
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[MarshalAs(UnmanagedType.I8)]
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public long ctime;
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[MarshalAs(UnmanagedType.I8)]
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public long atime;
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[MarshalAs(UnmanagedType.I4)]
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public int grfMode;
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[MarshalAs(UnmanagedType.I4)]
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public int grfLocksSupported;
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public int clsid_data1;
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[MarshalAs(UnmanagedType.I2)]
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public short clsid_data2;
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[MarshalAs(UnmanagedType.I2)]
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public short clsid_data3;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b0;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b1;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b2;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b3;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b4;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b5;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b6;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b7;
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[MarshalAs(UnmanagedType.I4)]
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public int grfStateBits;
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[MarshalAs(UnmanagedType.I4)]
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public int reserved;
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DataStream = stream;
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}
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}
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}
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private void ActualizeVirtualPosition()
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{
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if (_virtualPosition == -1) return;
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if (_virtualPosition > DataStream.Length)
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DataStream.SetLength(_virtualPosition);
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DataStream.Position = _virtualPosition;
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_virtualPosition = -1;
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}
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public virtual InteropValues.IStream Clone()
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{
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NotImplemented();
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return null;
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}
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public virtual void Commit(int grfCommitFlags)
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{
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DataStream.Flush();
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// Extend the length of the file if needed.
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ActualizeVirtualPosition();
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}
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[
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UIPermission(SecurityAction.Demand, Window = UIPermissionWindow.AllWindows),
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SecurityPermission(SecurityAction.Assert, Flags = SecurityPermissionFlag.UnmanagedCode)
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]
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public virtual long CopyTo(InteropValues.IStream pstm, long cb, long[] pcbRead)
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{
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const int bufsize = 4096;
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var buffer = Marshal.AllocHGlobal(bufsize);
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if (buffer == IntPtr.Zero) throw new OutOfMemoryException();
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long written = 0;
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try
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{
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while (written < cb)
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{
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var toRead = bufsize;
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if (written + toRead > cb) toRead = (int) (cb - written);
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var read = Read(buffer, toRead);
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if (read == 0) break;
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if (pstm.Write(buffer, read) != read)
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{
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throw EFail("Wrote an incorrect number of bytes");
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}
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written += read;
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}
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}
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finally
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{
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Marshal.FreeHGlobal(buffer);
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}
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if (pcbRead != null && pcbRead.Length > 0)
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{
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pcbRead[0] = written;
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}
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return written;
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}
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public virtual Stream GetDataStream()
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{
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return DataStream;
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}
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public virtual void LockRegion(long libOffset, long cb, int dwLockType)
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{
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}
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protected static ExternalException EFail(string msg)
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{
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throw new ExternalException(msg, InteropMethods.E_FAIL);
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}
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protected static void NotImplemented()
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{
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throw new ExternalException("NotImplemented");
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}
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public virtual int Read(IntPtr buf, int length)
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{
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var buffer = new byte[length];
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var count = Read(buffer, length);
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Marshal.Copy(buffer, 0, buf, length);
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return count;
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}
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public virtual int Read(byte[] buffer, int length)
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{
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ActualizeVirtualPosition();
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return DataStream.Read(buffer, 0, length);
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}
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public virtual void Revert()
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{
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NotImplemented();
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}
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public virtual long Seek(long offset, int origin)
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{
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var pos = _virtualPosition;
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if (_virtualPosition == -1)
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{
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pos = DataStream.Position;
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}
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var len = DataStream.Length;
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switch (origin)
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{
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case InteropValues.StreamConsts.STREAM_SEEK_SET:
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if (offset <= len)
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{
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DataStream.Position = offset;
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_virtualPosition = -1;
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}
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else
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{
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_virtualPosition = offset;
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}
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break;
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case InteropValues.StreamConsts.STREAM_SEEK_END:
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if (offset <= 0)
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{
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DataStream.Position = len + offset;
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_virtualPosition = -1;
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}
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else
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{
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_virtualPosition = len + offset;
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}
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break;
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case InteropValues.StreamConsts.STREAM_SEEK_CUR:
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if (offset + pos <= len)
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{
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DataStream.Position = pos + offset;
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_virtualPosition = -1;
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}
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else
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{
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_virtualPosition = offset + pos;
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}
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break;
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}
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return _virtualPosition != -1 ? _virtualPosition : DataStream.Position;
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}
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public virtual void SetSize(long value)
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{
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DataStream.SetLength(value);
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}
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public void Stat(IntPtr pstatstg, int grfStatFlag)
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{
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var stats = new STATSTG { cbSize = DataStream.Length };
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Marshal.StructureToPtr(stats, pstatstg, true);
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}
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public virtual void UnlockRegion(long libOffset, long cb, int dwLockType)
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{
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}
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public virtual int Write(IntPtr buf, int length)
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{
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var buffer = new byte[length];
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Marshal.Copy(buf, buffer, 0, length);
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return Write(buffer, length);
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}
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public virtual int Write(byte[] buffer, int length)
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{
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ActualizeVirtualPosition();
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DataStream.Write(buffer, 0, length);
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return length;
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}
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[StructLayout(LayoutKind.Sequential)]
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[SuppressMessage("ReSharper", "InconsistentNaming")]
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public class STATSTG
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{
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[SuppressMessage("Microsoft.Reliability", "CA2006:UseSafeHandleToEncapsulateNativeResources")]
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public IntPtr pwcsName = IntPtr.Zero;
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public int type;
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[MarshalAs(UnmanagedType.I8)]
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public long cbSize;
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[MarshalAs(UnmanagedType.I8)]
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public long mtime;
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[MarshalAs(UnmanagedType.I8)]
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public long ctime;
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[MarshalAs(UnmanagedType.I8)]
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public long atime;
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[MarshalAs(UnmanagedType.I4)]
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public int grfMode;
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[MarshalAs(UnmanagedType.I4)]
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public int grfLocksSupported;
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public int clsid_data1;
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[MarshalAs(UnmanagedType.I2)]
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public short clsid_data2;
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[MarshalAs(UnmanagedType.I2)]
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public short clsid_data3;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b0;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b1;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b2;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b3;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b4;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b5;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b6;
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[MarshalAs(UnmanagedType.U1)]
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public byte clsid_b7;
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[MarshalAs(UnmanagedType.I4)]
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public int grfStateBits;
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[MarshalAs(UnmanagedType.I4)]
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public int reserved;
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}
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}
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Reference in new issue
Block a user