Disassembled CarotDav v1.14.7 with dotPeek 2017.2
This commit is contained in:
330
Rei.Fs/PartialStream.cs
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330
Rei.Fs/PartialStream.cs
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// Decompiled with JetBrains decompiler
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// Type: Rei.Fs.PartialStream
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// Assembly: Rei.Fs, Version=1.13.2.8796, Culture=neutral, PublicKeyToken=null
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// MVID: D8B08A8B-697C-4439-9CFF-1BE4EE46F7B0
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// Assembly location: F:\Eigene Dateien\Dropbox\portable Collection\Progs\CarotDAV\Rei.Fs.dll
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using Microsoft.VisualBasic.CompilerServices;
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using System;
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using System.IO;
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using System.Runtime.CompilerServices;
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namespace Rei.Fs
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{
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public class PartialStream : Stream
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{
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private Stream pBaseStream;
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private long pLength;
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private long pInnerPos;
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private long pStart;
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private int pLastCount;
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public object Tag;
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private object pSyncObject;
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private bool pHasError;
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private bool pDisposed;
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public PartialStream(Stream basestream, long length)
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{
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this.pHasError = false;
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this.pDisposed = false;
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this.pBaseStream = basestream;
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this.pLength = length;
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this.pInnerPos = 0L;
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if (!this.pBaseStream.CanSeek)
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return;
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this.pStart = this.pBaseStream.Position;
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}
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public Stream BaseStream
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{
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get
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{
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return this.pBaseStream;
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}
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}
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public override bool CanRead
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{
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get
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{
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return this.pBaseStream.CanRead;
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}
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}
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public override bool CanSeek
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{
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get
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{
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return this.pBaseStream.CanSeek;
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}
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}
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public override bool CanWrite
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{
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get
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{
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return this.pBaseStream.CanWrite;
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}
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}
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public override bool CanTimeout
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{
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get
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{
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return this.pBaseStream.CanTimeout;
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}
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}
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public override long Length
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{
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get
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{
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if (this.pLength < 0L)
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throw new NotSupportedException();
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return this.pLength;
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}
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}
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public override int ReadTimeout
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{
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get
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{
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return this.pBaseStream.ReadTimeout;
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}
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set
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{
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this.pBaseStream.ReadTimeout = value;
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}
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}
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public override int WriteTimeout
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{
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get
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{
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return this.pBaseStream.WriteTimeout;
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}
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set
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{
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this.pBaseStream.WriteTimeout = value;
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}
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}
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public override long Position
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{
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get
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{
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return this.pInnerPos;
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}
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set
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{
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this.Seek(value, SeekOrigin.Begin);
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}
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}
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public override long Seek(long offset, SeekOrigin origin)
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{
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try
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{
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switch (origin)
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{
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case SeekOrigin.Current:
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checked { offset += this.Position; }
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break;
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case SeekOrigin.End:
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if (this.pLength < 0L)
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throw new NotSupportedException();
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offset = checked (this.pLength - offset);
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break;
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}
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if (offset < 0L || this.pLength >= 0L && offset > this.pLength)
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throw new ArgumentOutOfRangeException();
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this.pBaseStream.Seek(checked (this.pStart + offset), SeekOrigin.Begin);
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this.pInnerPos = offset;
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}
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catch (Exception ex)
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{
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ProjectData.SetProjectError(ex);
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this.pHasError = true;
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throw;
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}
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long num;
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return num;
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}
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public override void SetLength(long value)
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{
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throw new NotSupportedException();
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}
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public override int Read(byte[] buffer, int offset, int count)
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{
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try
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{
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if (this.pInnerPos < 0L)
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this.Position = 0L;
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if (this.pLength >= 0L && checked (this.pInnerPos + (long) count) > this.pLength)
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count = checked ((int) (this.pLength - this.pInnerPos));
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int num = this.pBaseStream.Read(buffer, offset, count);
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this.pInnerPos = checked (this.pInnerPos + (long) num);
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if (num == 0 && count > 0 && (this.pLength >= 0L && this.pInnerPos < this.pLength))
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throw new IOException("Invalid Stream Length");
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return num;
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}
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catch (Exception ex)
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{
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ProjectData.SetProjectError(ex);
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this.pHasError = true;
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throw;
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}
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}
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public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
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{
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try
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{
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if (this.pInnerPos < 0L)
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this.Position = 0L;
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if (this.pLength >= 0L && checked (this.pInnerPos + (long) count) > this.pLength)
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count = checked ((int) (this.pLength - this.pInnerPos));
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this.pLastCount = count;
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return this.pBaseStream.BeginRead(buffer, offset, count, callback, RuntimeHelpers.GetObjectValue(state));
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}
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catch (Exception ex)
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{
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ProjectData.SetProjectError(ex);
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this.pHasError = true;
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throw;
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}
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}
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public override int EndRead(IAsyncResult asyncResult)
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{
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try
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{
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int num = this.pBaseStream.EndRead(asyncResult);
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this.pInnerPos = checked (this.pInnerPos + (long) num);
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if (num == 0 && this.pLastCount > 0 && (this.pLength >= 0L && this.pInnerPos < this.pLength))
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throw new IOException("Invalid Stream Length");
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return num;
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}
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catch (Exception ex)
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{
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ProjectData.SetProjectError(ex);
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this.pHasError = true;
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throw;
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}
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}
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public override void Write(byte[] buffer, int offset, int count)
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{
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try
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{
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if (this.pInnerPos < 0L)
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this.Position = 0L;
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if (this.pLength >= 0L && checked (this.pInnerPos + (long) count) > this.pLength)
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throw new InvalidRangeException();
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this.pBaseStream.Write(buffer, offset, count);
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this.pInnerPos = checked (this.pInnerPos + (long) count);
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}
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catch (Exception ex)
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{
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ProjectData.SetProjectError(ex);
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this.pHasError = true;
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throw;
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}
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}
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public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
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{
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try
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{
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if (this.pInnerPos < 0L)
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this.Position = 0L;
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if (this.pLength >= 0L && checked (this.pInnerPos + (long) count) > this.pLength)
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throw new ArgumentException();
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this.pLastCount = count;
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return this.pBaseStream.BeginWrite(buffer, offset, count, callback, RuntimeHelpers.GetObjectValue(state));
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}
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catch (Exception ex)
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{
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ProjectData.SetProjectError(ex);
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this.pHasError = true;
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throw;
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}
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}
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public override void EndWrite(IAsyncResult asyncResult)
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{
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try
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{
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this.pBaseStream.EndWrite(asyncResult);
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this.pInnerPos = checked (this.pInnerPos + (long) this.pLastCount);
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}
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catch (Exception ex)
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{
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ProjectData.SetProjectError(ex);
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this.pHasError = true;
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throw;
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}
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}
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public override void Flush()
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{
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try
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{
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this.pBaseStream.Flush();
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}
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catch (Exception ex)
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{
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ProjectData.SetProjectError(ex);
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this.pHasError = true;
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throw;
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}
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}
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protected override void Dispose(bool disposing)
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{
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try
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{
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if (!disposing || this.pDisposed)
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return;
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this.pDisposed = true;
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if (this.pHasError)
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{
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try
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{
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this.pBaseStream.Close();
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}
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catch (Exception ex)
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{
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ProjectData.SetProjectError(ex);
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ProjectData.ClearProjectError();
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}
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}
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else
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{
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if (this.pLength >= 0L && this.pInnerPos != this.pLength)
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{
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string message = "Length:" + this.pLength.ToString() + " Position:" + this.pInnerPos.ToString();
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try
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{
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this.pBaseStream.Close();
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}
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catch (Exception ex)
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{
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ProjectData.SetProjectError(ex);
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Exception innerexception = ex;
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throw new InvalidRangeException(message, innerexception);
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}
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throw new InvalidRangeException(message);
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}
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this.pBaseStream.Close();
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}
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}
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finally
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{
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base.Dispose(disposing);
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}
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}
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}
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}
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