/// <inheritdoc/>
public override long Seek(long offset, SeekOrigin origin)
{
long newPosition;
if (!NativeFile.SetFilePointerEx(handle, offset, out newPosition, origin))
{
throw new IOException("Unable to seek to this position", MarshalGetLastWin32Error());
}
position = newPosition;
return(position);
}
/// <inheritdoc/>
public override void SetLength(long value)
{
long newPosition;
if (!NativeFile.SetFilePointerEx(handle, value, out newPosition, SeekOrigin.Begin))
{
throw new IOException("Unable to seek to this position", MarshalGetLastWin32Error());
}
if (!NativeFile.SetEndOfFile(handle))
{
throw new IOException("Unable to set the new length", MarshalGetLastWin32Error());
}
if (position < value)
{
Seek(position, SeekOrigin.Begin);
}
else
{
Seek(0, SeekOrigin.End);
}
}