void OnRemove()
{
// tell the user that they might cchange things up.
if (EditorUtility.DisplayDialog("Sub Graph Will Change", "If you remove a slot and save the sub graph, you might change other graphs that are using this sub graph.\n\nDo you want to continue?", "Yes", "No"))
{
m_Node.owner.owner.RegisterCompleteObjectUndo("Removing Slot");
m_Node.RemoveSlot();
}
}
void OnRemove()
{
m_Node.RemoveSlot();
}