public NodeConnection(BaseNode fromNode, BaseNode toNode) {
this.fromNode = fromNode;
this.toNode = toNode;
switch (NodeEditor.instance.GetEditorOptions().nodeHandleMode) {
case System.NodeHandleMode.IN_OUT:
CreateFromHandle();
CreateToHandle();
break;
case System.NodeHandleMode.IN:
CreateToHandle();
break;
case System.NodeHandleMode.OUT:
CreateFromHandle();
break;
}
}