/// <summary>
/// Unregister a callback so it will no longer be called when this document is modified
/// </summary>
/// <param name="callback">Callback to unregister</param>
public virtual void UnregisterChangeTracking(ITrackedDocumentNodeCallback callback)
{
lock (_callbacks)
{
_callbacks.RemoveAll(p =>
{
ITrackedDocumentNodeCallback target;
if (p.TryGetTarget(out target))
{
return(target == callback);
}
else
{
return(false);
}
});
}
}
/// <summary>
/// Register a callback to be triggered when this document is modified
/// </summary>
/// <param name="callback">Callback to be triggered</param>
public virtual void RegisterChangeTracking(ITrackedDocumentNodeCallback callback)
{
lock (_callbacks)
{
var isAlreadyTracked = _callbacks.Any(p =>
{
ITrackedDocumentNodeCallback target;
if (p.TryGetTarget(out target))
{
return(target == callback);
}
else
{
return(false);
}
});
if (!isAlreadyTracked)
{
_callbacks.Add(new WeakReference <ITrackedDocumentNodeCallback>(callback));
}
}
}
/// <summary>
/// Unregister a callback so it will no longer be called when this document is modified
/// </summary>
/// <param name="callback">Callback to unregister</param>
public virtual void UnregisterChangeTracking(ITrackedDocumentNodeCallback callback)
{
lock (_callbacks)
{
_callbacks.RemoveAll(p =>
{
ITrackedDocumentNodeCallback target;
if (p.TryGetTarget(out target))
{
return target == callback;
}
else
{
return false;
}
});
}
}
/// <summary>
/// Register a callback to be triggered when this document is modified
/// </summary>
/// <param name="callback">Callback to be triggered</param>
public virtual void RegisterChangeTracking(ITrackedDocumentNodeCallback callback)
{
lock (_callbacks)
{
var isAlreadyTracked = _callbacks.Any(p =>
{
ITrackedDocumentNodeCallback target;
if (p.TryGetTarget(out target))
{
return target == callback;
}
else
{
return false;
}
});
if (!isAlreadyTracked)
{
_callbacks.Add(new WeakReference<ITrackedDocumentNodeCallback>(callback));
}
}
}
public void UnregisterChangeTracking(ITrackedDocumentNodeCallback callback)
{
_documentNode.UnregisterChangeTracking(callback);
}
