public unsafe byte[] ReadFromStreamMaxLength(string streamName, int maxSize)
{
byte[] result = null;
Util.InvokeComCall(MsgStorageErrorCode.FailedRead, delegate
{
Interop.IStream stream = null;
try
{
this.iStorage.OpenStream(streamName, IntPtr.Zero, 16U, 0U, out stream);
System.Runtime.InteropServices.ComTypes.STATSTG statstg;
stream.Stat(out statstg, 1U);
if (statstg.cbSize > (long)maxSize)
{
throw new MsgStorageException(MsgStorageErrorCode.StorageStreamTooLong, MsgStorageStrings.StreamTooBig(streamName, statstg.cbSize));
}
int num = (int)statstg.cbSize;
int num2 = 0;
result = new byte[num];
if (result.Length != 0)
{
try
{
fixed(byte *ptr = &result[0])
{
stream.Read(ptr, result.Length, out num2);
}
}
finally
{
byte *ptr = null;
}
}
if (num2 != result.Length)
{
throw new MsgStorageException(MsgStorageErrorCode.StorageStreamTruncated, MsgStorageStrings.FailedRead(streamName));
}
}
finally
{
if (stream != null)
{
Marshal.ReleaseComObject(stream);
}
}
});
return(result);
}
public unsafe int ReadFromStream(string streamName, byte[] buffer, int size)
{
this.CheckDisposed("ComStream::ReadFromStream");
Util.ThrowOnNullArgument(streamName, "streamName");
Util.ThrowOnNullArgument(buffer, "buffer");
Util.ThrowOnOutOfRange(size >= 0, "size");
int result = 0;
Util.InvokeComCall(MsgStorageErrorCode.FailedRead, delegate
{
Interop.IStream stream = null;
try
{
this.iStorage.OpenStream(streamName, IntPtr.Zero, 16U, 0U, out stream);
int result = 0;
if (size != 0)
{
try
{
fixed(byte *ptr = &buffer[0])
{
stream.Read(ptr, size, out result);
}
}
finally
{
byte *ptr = null;
}
}
result = result;
}
finally
{
if (stream != null)
{
Marshal.ReleaseComObject(stream);
}
}
});
return(result);
}