C#: I am working on this application and keep running into this error. Please help me fix it. Err...

C#: I am working on this application and keep running into this error. Please help me fix it.

Error:

Design:

Code:

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 SinghAjayProgram08
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

double totalInserted = 0;
double totalWon = 0;

private void spinButton_Click(object sender, EventArgs e)
{
Random rand = new Random();

int index = rand.Next(fruitsImageList.Images.Count);

firstPictureBox.Image = fruitsImageList.Images[index];
secondPictureBox.Image = fruitsImageList.Images[index];
thirdPictureBox.Image = fruitsImageList.Images[index];

int pictureOne = rand.Next(0, 10);
int pictureTwo = rand.Next(0, 10);
int pictureThree = rand.Next(0, 10);

double amount = double.Parse(amountTextBox.Text);
totalInserted += amount;

// Picture one
if (pictureOne == 0)
{
firstPictureBox.Image = Image.FromFile("Apple.bmp");
}
else if (pictureOne == 1)
{
firstPictureBox.Image = Image.FromFile("Banana.bmp");
}
else if (pictureOne == 2)
{
firstPictureBox.Image = Image.FromFile("Cherries.bmp");
}
else if (pictureOne == 3)
{
firstPictureBox.Image = Image.FromFile("Grapes.bmp");
}
else if (pictureOne == 4)
{
firstPictureBox.Image = Image.FromFile("Lemon.bmp");
}
else if (pictureOne == 5)
{
firstPictureBox.Image = Image.FromFile("Lime.bmp");
}
else if (pictureOne == 6)
{
firstPictureBox.Image = Image.FromFile("Orange.bmp");
}
else if (pictureOne == 7)
{
firstPictureBox.Image = Image.FromFile("Pear.bmp");
}
else if (pictureOne == 8)
{
firstPictureBox.Image = Image.FromFile("Strawberry.bmp");
}
else if (pictureOne == 9)
{
firstPictureBox.Image = Image.FromFile("Watermelon.bmp");
}

// Picture two
if (pictureTwo == 0)
{
secondPictureBox.Image = Image.FromFile("Apple.bmp");
}
else if (pictureTwo == 1)
{
secondPictureBox.Image = Image.FromFile("Banana.bmp");
}
else if (pictureTwo == 2)
{
secondPictureBox.Image = Image.FromFile("Cherries.bmp");
}
else if (pictureTwo == 3)
{
secondPictureBox.Image = Image.FromFile("Grapes.bmp");
}
else if (pictureTwo == 4)
{
secondPictureBox.Image = Image.FromFile("Lemon.bmp");
}
else if (pictureTwo == 5)
{
secondPictureBox.Image = Image.FromFile("Lime.bmp");
}
else if (pictureTwo == 6)
{
secondPictureBox.Image = Image.FromFile("Orange.bmp");
}
else if (pictureTwo == 7)
{
secondPictureBox.Image = Image.FromFile("Pear.bmp");
}
else if (pictureTwo == 8)
{
secondPictureBox.Image = Image.FromFile("Strawberry.bmp");
}
else if (pictureTwo == 9)
{
secondPictureBox.Image = Image.FromFile("Watermelon.bmp");
}

// Picture three
if (pictureThree == 0)
{
thirdPictureBox.Image = Image.FromFile("Apple.bmp");
}
else if (pictureThree == 1)
{
thirdPictureBox.Image = Image.FromFile("Banana.bmp");
}
else if (pictureThree == 2)
{
thirdPictureBox.Image = Image.FromFile("Cherries.bmp");
}
else if (pictureThree == 3)
{
thirdPictureBox.Image = Image.FromFile("Grapes.bmp");
}
else if (pictureThree == 4)
{
thirdPictureBox.Image = Image.FromFile("Lemon.bmp");
}
else if (pictureThree == 5)
{
thirdPictureBox.Image = Image.FromFile("Lime.bmp");
}
else if (pictureThree == 6)
{
thirdPictureBox.Image = Image.FromFile("Orange.bmp");
}
else if (pictureThree == 7)
{
thirdPictureBox.Image = Image.FromFile("Pear.bmp");
}
else if (pictureThree == 8)
{
thirdPictureBox.Image = Image.FromFile("Strawberry.bmp");
}
else if (pictureThree == 9)
{
thirdPictureBox.Image = Image.FromFile("Watermelon.bmp");
}

if (pictureOne == pictureTwo && pictureOne == pictureThree)
{
totalWon += amount * 3;

MessageBox.Show("You Won" + (amount * 3).ToString("c"));
}
else if (pictureOne == pictureTwo || pictureOne == pictureThree
|| pictureTwo == pictureThree)
{
totalWon += amount * 2;

MessageBox.Show("You Won" + (amount * 2).ToString("c"));
}
else
{
MessageBox.Show("You Won" + 0.ToString("c"));
}
}
  
private void exitButton_Click(object sender, EventArgs e)
{
MessageBox.Show("Total Inserted" + " amount is" + totalInserted.ToString("c")
+ "\nTotal Winning amount is" + totalWon.ToString("c"));

this.Close();
}
}
}

Assignment: