void InstantiateDecisionNode(Point mouse)
{
Node decisionNode = new Node(mouse, NodeType.Decision);
MDiagram.AddNode(decisionNode);
}
void InstantiateEventNode(Point mouse)
{
Node eventNode = new Node(mouse, NodeType.Event);
MDiagram.AddNode(eventNode);
}
void InstantiateValueNode(Point mouse)
{
Node valueNode = new Node(mouse, NodeType.Value);
MDiagram.AddNode(valueNode);
}