然后是调用，功能性子VI一般采用事件结构来调用，例如按键调用，方法是直接将子VI放到该事件中即可，如果希望调用的时候弹出子VI 的面板，在程序框图中设置子VI的属性为调用时打开前面板就可以了-Then call the function patience VI generally used to call the event structure, such as the call button, the method is to directly put the event in the sub-VI can, if it wants to invoke a pop-up sub-VI panel, set up sub-VI on the block diagram The property is open the front panel can be invoked