public override Stream OpenReadWrite()
{
lock (updateLock)
{
if (readStreams == 0 && !writeStreamOpen)
{
writeStreamOpen = true;
_content.Position = 0;
ObservableMemoryStream temp = new ObservableMemoryStream(_content, true);
Subscribe(temp);
return(temp);
}
else
{
return(null);
}
}
}
public override Stream OpenReadOnly()
{
lock (updateLock)
{
if (writeStreamOpen == false)
{
readStreams++;
var newstream = new MemoryStream();
_content.Position = 0;
_content.CopyTo(newstream);
newstream.Position = 0;
ObservableMemoryStream temp = new ObservableMemoryStream(newstream, false);
Subscribe(temp);
return(temp);
}
return(null);
}
}
public void Subscribe(ObservableMemoryStream s)
{
s.closeHandler += new ObservableMemoryStream.CloseHandler(closeStream);
}