internal bool RemoveElement(GraphElement element)
{
Ensure.Argument.NotNull(element, nameof(element));
if (element.Owner != this)
{
return(false);
}
ElementRemoving?.Invoke(this, element);
OnElementRemoving(element);
element._OnRemovingFromGraph(this);
bool removed = _elements.Remove(element);
Debug.Assert(removed);
return(true);
}
/// <summary>
/// Fires the ElementRemoving event.
/// </summary>
/// <param name="element">The OpenXmlElement element to remove.</param>
/// <param name="parent">The parent element.</param>
internal void ElementRemovingEvent(OpenXmlElement element, OpenXmlElement parent)
{
ElementRemoving?.Invoke(this, new ElementEventArgs(element, parent));
}
