Write Code (C#)

Copy the code below into the project you created. If you don't have a project or forgot how to create one, revisit the Configure section.

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//Add Phidgets Library
using Phidget22;
using Phidget22.Events;

namespace GettingStarted
{
    class Program
    {
        // Turn on/off LEDs with Global Variables
        static bool turnRedLEDOn = false;
        static bool turnGreenLEDOn = false;
        
        //Event | Event code runs when data input from the sensor changes. The following event is a state change event. The code will listen to the button (Digital Input Object) and only run the contain code when the button is pressed or released (state changes).
        private static void redButton_StateChange(object sender, DigitalInputStateChangeEventArgs e)
        {
            //Record button state to turn on/off the red LED
            turnRedLEDOn = e.State;
        }
        
        //Event | Event code runs when data input from the sensor changes. The following event is a state change event. The code will listen to the button (Digital Input Object) and only run the contain code when the button is pressed or released (state changes).
        private static void greenButton_StateChange(object sender, DigitalInputStateChangeEventArgs e)
        { 
	        //Record button state to turn on/off the green LED
            turnGreenLEDOn = e.State;
        }

        static void Main(string[] args)
        {
            //Create
            DigitalInput redButton = new DigitalInput();
            DigitalInput greenButton = new DigitalInput();
            DigitalOutput redLED = new DigitalOutput();
            DigitalOutput greenLED = new DigitalOutput();

            //Address
            redButton.HubPort = 0;
            redButton.IsHubPortDevice = true;
            greenButton.HubPort = 5;
            greenButton.IsHubPortDevice = true;
            redLED.HubPort = 1;
            redLED.IsHubPortDevice = true;
            greenLED.HubPort = 4;
            greenLED.IsHubPortDevice = true;

            //Subscribe to events | Subscribing to an Event tells your program to start listening to a Phidget. Here, the program will begin to listen to the state of the button (Digital Input Object).
            redButton.StateChange += redButton_StateChange;
            greenButton.StateChange += greenButton_StateChange;

            //Open
            redLED.Open(1000);
            greenLED.Open(1000);
            redButton.Open(1000);
            greenButton.Open(1000);

            //Use your Phidgets | In the button events you recorded the Button State. Here we will use that data to turn on/off the LEDs
            while (true)
            {
                // turn red LED on based on red button input
                redLED.State = turnRedLEDOn;

                // turn green LED on based on red button input
                greenLED.State = turnGreenLEDOn;

                System.Threading.Thread.Sleep(150);
            }
        }
    }
}