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sim 1.cs
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sim 1.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace v1
{
public partial class Form1 : Form
{
string lastDirection = string.Empty;
string directionHolder = string.Empty;
public Form1()
{
InitializeComponent();
}
private void label1_Click(object sender, EventArgs e)
{
}
private void Form1_Load(object sender, EventArgs e)
{
cbDirection.SelectedIndex = 0;
cbLight.SelectedIndex = 0;
lblLightStatus.Text = "Green";
lblDirection.Text = "Not moving";
}
private void btnSim_Click(object sender, EventArgs e)
{
directionHolder = cbDirection.Text;
if(lblDirection.Text.Equals("Jack Knife to a Stop") && !(cbDirection.SelectedIndex.Equals(0)))
{
MessageBox.Show("After a jack Knife, you can only move forward!", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (lastDirection.Equals("Move Forward") && directionHolder.Equals("Move Forward"))
{
MessageBox.Show("Cannot move forward twice in a row!","Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if(cbDirection.SelectedIndex.Equals(1) && !(cbLight.SelectedIndex.Equals(3)))
{
MessageBox.Show("Can only make left turn on signal Left-Turn Green", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
switch (cbLight.SelectedIndex)
{
case 0:
case 3:
lblLightStatus.ForeColor = Color.Green;
break;
case 1:
lblLightStatus.ForeColor = Color.Yellow;
break;
case 2:
lblLightStatus.ForeColor = Color.Red;
break;
}
lblDirection.Text = cbDirection.SelectedItem.ToString();
lblLightStatus.Text = cbLight.SelectedItem.ToString();
lastDirection = cbDirection.SelectedItem.ToString();
cbLight.SelectedIndex = 0;
}
}
}