# 物件導向程式設計實習
## 20240124課堂作業




### 心得
C#前面的部分跟C差不多，不過C#感覺是寫比較底層的，C#是以物件導向為主的，比較期待後面用C#做商務軟體開發。而且根據同學所說，C#跟Android開發的layout都可以用來做UI的，可以用來包裝後端系統，跟我目前在學的東西有一點點關聯
## 20240221課堂作業
#### 註:vs中文套件好像有問題，打中文會出現"?"，所以只能用英文
### p1

### p2

//20240221
internal class Program
{
    private static void Main(string[] args)
    {
        Console.Write("Your name? ");
        string? name = Console.ReadLine();
        Console.Write("Amount of withdrawals:");
        int money = Convert.ToInt32(Console.ReadLine());
        Console.WriteLine($"Hi! {name},Amount:{money:C0}");
    }
}

### p3

namespace WinFormsApp2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            textBox1.Text = DateTime.Now.ToString();
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            Text = "";
        }

        private void button2_Click(object sender, EventArgs e)
        {
            textBox1.Text = "Hello";
        }
    }
}

## 20240306課堂作業
### p1

// See https://aka.ms/new-console-template for more information
using static System.Console;
Console.WriteLine("資訊一甲05江寬泓");
Console.WriteLine("");
int num1 = 1_23_4876;
long num2 = 1_23_8009L;
long max = Int64.MaxValue;
long min = Int64.MinValue;
int num3 = 0b1011_110;
int num4 = 0b_11111_1011000;
int num5 = 0x_FCB64;
Console.WriteLine($"Number: {num1:n0},{num2:n0}");
Console.WriteLine($"二進轉十進:{num3:D5},{num4:d5},{num5:d5}");
WriteLine($".NET類別(num1): {num1.GetType()}");
WriteLine($".NET類別(num2): {num2.GetType()}");
WriteLine($"最大值:{max},最小值:{min}");

### p2

// See https://aka.ms/new-console-template for more information
using static System.Console;
Console.WriteLine("資訊一甲05江寬泓");
Console.WriteLine("");
float num1 = 1.219618565189f;
double num2 = 1.978465132798984456;
decimal num3 = 1.48978465385463651846m;
double x1 = 0.1;
double x2 = 0.2;
decimal y1 = 0.1m;
Decimal y2 = 0.2m;
WriteLine($"Float : {num1}");
WriteLine($"Double : {num2}");
WriteLine($"Decimal : {num3}");
WriteLine($"Float : {num1:f4}");
WriteLine($"double佔<{sizeof(double)}>位元組");
WriteLine($"Decimal佔<{sizeof(decimal)}>位元組");

### p3

// See https://aka.ms/new-console-template for more information
using static System.Console;
Console.WriteLine("資訊一甲05江寬泓");
Console.WriteLine("");

const float square = 3.0579f;
Write("坪數:");

float area = Convert.ToSingle(ReadLine());
WriteLine($"{area}坪 = {square*area}平方公尺");
const float pi = 3.14f;
WriteLine($"圓面積 : {pi * 25.0}");

## 20240313課堂作業
### p1

using System.CodeDom.Compiler;

namespace WinFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            textBox2.ReadOnly = true;
            textBox1.MaxLength = 3;
            textBox1.TabIndex = 0;
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {
           
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                double temp = double.Parse(textBox1.Text);
                temp = temp * 9 / 5 + 32;
                textBox2.Text = temp.ToString("f1");
                textBox1.Focus();
            }
            catch
            {
                textBox2.Text = "請輸入溫度數值";
                textBox1.Clear();
            }
        }
    }
}

### p2

namespace WinFormsApp3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            string username = Microsoft.VisualBasic.Interaction.InputBox("請輸入姓名", "輸入");
            DialogResult dr = MessageBox.Show(username + "歡迎您!", "歡迎", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
            Text = username;

        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                int mon = Int32.Parse(textBox2.Text);
                label3.Text = $"提款金額:{mon}";

            }
            catch
            {
                MessageBox.Show("請輸入整數", "注意", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}


## 20240320課堂作業
### p1

using System.Diagnostics.CodeAnalysis;
int sum = 0;
int counter = 0;
for (; ; ) {
    counter++;
    Console.Write("請輸入值作家總");
    
    int num = Int32.Parse(Console.ReadLine());
    sum+= num;
    Console.Write("還要繼續嗎?(y繼續,n離開)");
    string r = Console.ReadLine();
    if (r == "n")
    {
        break;
    }
    else
    {
        continue;
    }
}
Console.WriteLine($"輸入{counter}個數值,合計{sum}");


## 20240327課堂作業
### p1

// See https://aka.ms/new-console-template for more information
string[] name = { "Molly", "Eric", "Johseph", "Peter", "Iron", "Priyanka" };
int[] age = { 24, 26, 24, 26, 28, 25 };
Console.WriteLine("---年齡符合24歲---");
for(int i=0;i<age.Length; i++)
{
    if (age[i] == 24)
    {
        Console.Write(name[i]+"   ");
    }
}
Console.WriteLine();
Console.WriteLine();
Array.Sort(age);
int pos = Array.IndexOf(age, 25);
Console.Write($"找到年齡25! 位置:{pos}");

### p2

Console.WriteLine("       Mary            Tomas               John");
Random rnd = new Random(Guid.NewGuid().GetHashCode());
long [] sum = { 0, 0, 0 };
for (int i = 0; i < 3; i++)
{
    for(int j = 0; j < 3; j++)
    {
        long randomNumber = rnd.Next();
        sum[j] = sum[j] + randomNumber;
        Console.Write($"       {randomNumber}");
    }
    Console.WriteLine();
}
Console.WriteLine("---------------------");
Console.Write("Sum:  ");
for(int i = 0;i < 3; i++)
{
    Console.Write($"{sum[i]}    ");
}

### p3

Console.WriteLine("//Can't use Chinese");
int[,,] data = new int[2,2,3]{
                { { 11, 13, 15}, {22, 24, 26} },
                { { 33, 38, 41}, {44, 48, 52} }
            };
int findValue = 48;
int table=0,row=0,col = 0;
bool found = false;
//IDE語言套件有問題，不能用中文
Console.WriteLine($"{data.GetLength(0) + 1} table ,{data.Rank - 1}D Array {data.GetLength(1) + 1}*{data.GetLength(2) + 1}");
for (int i = 0; i < data.GetLength(0); i++) {
    Console.WriteLine($"--- table {i+1} ---");
    for(int j = 0; j < data.GetLength(1); j++) {
        for(int k = 0;k < data.GetLength(2); k++) {
            if(!found) {
                if (data[i,j,k] == findValue) {
                    table = i + 1;
                    row = k + 1;
                    col = j + 1;
                    found = true;
                }
            }
            Console.Write($"{data[i, j, k]}   ");
        }
        Console.WriteLine();
    }
    Console.WriteLine();
}
Console.WriteLine($"element: {findValue} is in table {table},row {row},column{col}");

## 20240403課堂作業
### p1

namespace ClassWork_0403_p1
{
    public partial class Form1 : Form
    {
        int n = 0;
        int sum = 0;
        public string[] j = new string[] { "A", "B", "C", "D", "E" };
        public Form1()
        {
            InitializeComponent();
        }
        public void label1_Click(object sender, EventArgs e)
        {}
        private void listBox1_SelectedIndexChanged_1(object sender, EventArgs e)
        {}
        private void textBox1_TextChanged(object sender, EventArgs e)
        {}
        private void Form1_Load(object sender, EventArgs e)
        {
            label1.Text = $"{j[n]} score";

        }

        private void button1_Click(object sender, EventArgs e)
        {
            int number;
            if (Int32.TryParse(textBox1.Text, out number))
            {
                if(number<=100 && number >= 0)
                {
                    listBox1.Items.Add($"{j[n]}: {number}");
                    if (n != 4)
                    {
                        n++;
                        label1.Text = $"{j[n]} score";
                    }
                    else
                    {
                        button1.Enabled = false;
                    }
                    sum += number;
                    label2.Text = $"Average: {(double)sum / n:0.##}";
                    textBox1.Text = "";
                }
                else
                {
                    MessageBox.Show("score must between 0 to 100!","Warning",MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            else
            {
                MessageBox.Show("Pls Enter enteger!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            textBox1.Text = "";
        }
    }
}

### p2

using System;

namespace ClassWork_0403_p2_version2
{
    public partial class Form1 : Form
    {
        public string[] song = new string[]
        {
            "Grievous Lady -nothing is but what is not-",
            "Stuck in Dreams",
            "The Arena",
            "Forest Shrine",
            "Ignotus",
            "Singularity",
            "Ether Strike",
            "Testify",
            "Regression",
            "Cyberangle"
        };
        public string[] artist = new string[]
        {
            "Team Grimoire vs Laur",
            "Nightcall",
            "Lindsey Strling",
            "Kerusu",
            "ak+q",
            "Etia",
            "Akira Complex",
            "void(mournfinale)",
            "Gon",
            "Hanser"
        };
        int[] rank = new int[10];
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            listView1.Items.Clear();
            //rank
            int[] rank2 = new int[10];
            rank.CopyTo(rank2, 0);
            Array.Sort(rank, song);
            Array.Sort(rank2, artist);
            for (int i = 0; i < rank2.Length; i++)
            {
                ListViewItem item = new ListViewItem($"{rank[i]}");
                item.SubItems.Add(artist[i]);
                item.SubItems.Add(song[i]);
                listView1.Items.Add(item);
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            label1.Text = "";
            listView1.Columns.Add("Rank", 50);
            listView1.Columns.Add("Artist", 150);
            listView1.Columns.Add("Song", 300);
            for (int i = 0; i < rank.Length; i++)
            {
                rank[i] = i + 1;
            }
            button1_Click(sender, e);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            listView1.Items.Clear();
            string[] song2 = new string[song.Length];
            song.CopyTo(song2, 0);
            Array.Sort(song, rank);
            Array.Sort(song2, artist);
            for (int i = 0; i < song2.Length; i++)
            {
                ListViewItem item = new ListViewItem($"{rank[i]}");
                item.SubItems.Add(artist[i]);
                item.SubItems.Add(song[i]);
                listView1.Items.Add(item);
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            label1.Text = "";
            listView1.Items.Clear();
            string SearchArtist = textBox1.Text;
            string result = $"Can't find {SearchArtist}";
            int index = Array.IndexOf(artist, SearchArtist);
            if (index != -1)
            {
                ListViewItem item = new ListViewItem($"{rank[index]}");
                item.SubItems.Add(artist[index]);
                item.SubItems.Add(song[index]);
                listView1.Items.Add(item);
            }
            else
            {
                label1.Text = result;
            }
        }
    }
}





### p3

namespace ClassWork_0403_p3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            float height;
            if (radioButton1.Checked)
            {
                if (float.TryParse(textBox1.Text, out height))
                {
                    height = height / 100;
                }
                else
                {
                    label2.Text = "error";
                }
            }
            else
            {
                height = float.Parse(textBox1.Text);
            }
            float weight = float.Parse(textBox2.Text);
            label2.Text = $"BMI: {(weight/(height*height)).ToString()}";
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            label2.Text = "";
        }
    }
}

## 20240410課堂作業
### p1

namespace homeWork_0410_p1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();  // 初始化視窗元件
        }

        // 視窗載入時的初始化設定
        private void Form1_Load(object sender, EventArgs e)
        {
            // 設定圖片顯示模式為拉伸
            PicShow.SizeMode = PictureBoxSizeMode.StretchImage;

            // 設定初始圖片高度與寬度
            PicShow.Height = 90;
            PicShow.Width = 90;

            // 載入初始圖片
            PicShow.Image = Image.FromFile("C:\\Users\\popst\\Pictures\\miyu_art\\pic1.png");

            // 設定滑桿最大最小值與初始值
            TkbPic.Maximum = 3;
            TkbPic.Minimum = 1;

            // 設定垂直滾動條的最大最小值與初始值
            VsbHeight.Maximum = 180;
            VsbHeight.Minimum = 1;
            VsbHeight.LargeChange = 1;
            VsbHeight.Value = PicShow.Height;

            // 設定水平滾動條的最大最小值與初始值
            HsbWidth.Maximum = 180;
            HsbWidth.Minimum = 1;
            HsbWidth.LargeChange = 1;
            HsbWidth.Value = PicShow.Width;

            // 設定工具提示內容
            Ttip.SetToolTip(VsbHeight, $"{VsbHeight.Value}");
            Ttip.SetToolTip(HsbWidth, $"{HsbWidth.Value}");
            Ttip.SetToolTip(TkbPic, "pic1");
        }

        // 垂直滾動條滾動事件
        private void VsbHeight_Scroll(object sender, ScrollEventArgs e)
        {
            // 調整圖片高度並更新工具提示內容
            PicShow.Height = VsbHeight.Value;
            Ttip.SetToolTip(VsbHeight, $"{VsbHeight.Value}");
        }

        // 水平滾動條滾動事件
        private void HsbWidth_Scroll(object sender, ScrollEventArgs e)
        {
            // 調整圖片寬度並更新工具提示內容
            PicShow.Width = HsbWidth.Value;
            Ttip.SetToolTip(HsbWidth, $"{HsbWidth.Value}");
        }

        // 圖片切換滑桿滾動事件
        private void TkbPic_Scroll(object sender, EventArgs e)
        {
            // 切換圖片並更新工具提示內容
            PicShow.Image = Image.FromFile($"C:\\Users\\popst\\Pictures\\miyu_art\\pic{TkbPic.Value}.png");
            Ttip.SetToolTip(TkbPic, $"pic{TkbPic.Value}");
        }
    }
}

### p2

namespace homeWork_0410_p2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void dateTimePicker1_ValueChanged(object sender, EventArgs e)
        {

        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            if(DateTime.Now >= dateTimePicker1.Value)
            {
                timer1.Enabled = false;
                MessageBox.Show(textBox1.Text,"warning");
                System.Media.SystemSounds.Beep.Play();
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            dateTimePicker1.CustomFormat = "HH:mm:ss";
            dateTimePicker1.Format = DateTimePickerFormat.Custom;
            dateTimePicker1.MinDate = DateTime.Now.AddMinutes(1);
            dateTimePicker1.MaxDate = DateTime.Now.AddMinutes(10);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            timer1.Interval = 1000;
            timer1.Enabled = true;
            dateTimePicker1.Enabled = false;
        }
    }
}

## 20240417課堂作業
### p1