public void Remove(CompositionDiagramElement element, bool isComposition)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (isComposition)
{
_compositionRegistry.TryRemove(element);
_compositions.Remove(element);
}
else
{
_strategies.Remove(element);
}
var path = isComposition ? _compositionsPath : _strategiesPath;
var file = Path.Combine(path, element.GetFileName());
if (File.Exists(file))
{
File.Delete(file);
}
}