c#---简易程序 包括（登录+文本编译器+图片编译器+进制转换器）

目录

form1.cs

namespace login_noteimage
{
    public partial class Form1 : Form
    {
        
        public Form1()
        {
            InitializeComponent();
 
        }
        
        
 
        private void label1_Click(object sender, EventArgs e)
        {
 
        }
 
        private void login_Click(object sender, EventArgs e)
        {
            String name = Nametext.Text;
            String pass = Passtext.Text;
            if (name == "root" && pass == "123")
            {
                this.Hide();
                Form2 f2 = new Form2();
                f2.ShowDialog(this);
                this.Hide();
                this.Close();
            }
            else
            {
                MessageBox.Show("error!");
            }
        }
 
        private void exit_Click(object sender, EventArgs e)
        {
            this.Hide();
            this.Close();
            Application.Exit();
        }
 
        private void check_Click(object sender, EventArgs e)
        {
            MessageBox.Show("root 123");
        }
    }
}

form2.cs

namespace login_noteimage
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }
 
        private void ji_button_Click(object sender, EventArgs e)
        {
            this.Hide();
            Form3 f3 = new Form3();
            f3.ShowDialog(this);
            
            this.Close();
        }
 
        private void shu_button_Click(object sender, EventArgs e)
        {
            this.Hide();
            Form4 f4 = new Form4();
            f4.ShowDialog(this);
            
            this.Close();
        }
 
        private void tu_button_Click(object sender, EventArgs e)
        {
            this.Hide();
            Form5 f5 = new Form5();
            f5.ShowDialog(this);
           
            this.Close();
        }
 
        private void tui_button_Click(object sender, EventArgs e)
        {
            this.Close();
            Application.Exit();
        }
    }
}

form3.cs

namespace login_noteimage
{
    public partial class Form3 : Form
    {
        public Form3()
        {
            InitializeComponent();
        }
 
        private void label1_Click(object sender, EventArgs e)
        {
 
        }
 
        private void jian_btn_Click(object sender, EventArgs e)
        {
            textbox.Cut();
        }
 
        private void fu_btn_Click(object sender, EventArgs e)
        {
            textbox.Copy();
        }
 
        private void zhan_btn_Click(object sender, EventArgs e)
        {
            textbox.Paste();
        }
 
        private void zi_btn_Click(object sender, EventArgs e)
        {
            fontDialog1.ShowDialog();//显示对话框
            textbox.Font = fontDialog1.Font;//赋值字体
        }
 
        private void fan_btn_Click(object sender, EventArgs e)
        {
            this.Hide();
            Form2 f2 = new Form2();
            f2.ShowDialog(this);
            
            this.Close();
        }
    }
}

form4.cs

namespace login_noteimage
{
    public partial class Form4 : Form
    {
        public Form4()
        {
            InitializeComponent();
            shi_com.Items.Add("2");//选择项1
            shi_com.Items.Add("8");
            shi_com.Items.Add("10");
            shi_com.Items.Add("16");
            shi_com.SelectedIndex = shi_com.Items.IndexOf("16");
            bian_com.Items.Add("2");//选择项1
            bian_com.Items.Add("8");
            bian_com.Items.Add("10");
            bian_com.Items.Add("16");
            bian_com.SelectedIndex = bian_com.Items.IndexOf("16");
 
        }
 
        private void label1_Click(object sender, EventArgs e)
        {
 
        }
 
        private void fan_btn_Click(object sender, EventArgs e)
        {
            this.Hide();
            Form2 f2 = new Form2();
            f2.ShowDialog(this);
            
            this.Close();
        }
 
        private void start_btn_Click(object sender, EventArgs e)
        {
            String num = Input_text.Text;
            String shi = shi_com.Text;
            String bian = bian_com.Text;
            if (num == null)
            {
                MessageBox.Show("要填数字！");
            }
            int c=0;
            if (shi == "2")
            {
                const string PATTERN1 = @"[0-1]+$";
                if (!System.Text.RegularExpressions.Regex.IsMatch(num, PATTERN1))
                {
                    MessageBox.Show("所输入数字进制错");
                    this.Refresh();
                }
                int d = Convert.ToInt32(num, 2);//2->10
                if (bian == "10") c = d;
                else if (bian == "8")
                {
                    string s12 = Convert.ToString(d, 8);//10->8
                    c = int.Parse(s12);
                }
                else
                {
                    string s12 = Convert.ToString(d, 16);//10->16
                    c = int.Parse(s12);
                }
            }
            else if (shi == "8")
            {
                const string PATTERN2 = @"[0-7]+$";
                if (!System.Text.RegularExpressions.Regex.IsMatch(num, PATTERN2))
                {
                    MessageBox.Show("所输入数字进制错");
                    this.Refresh();
                }
                    int d = Convert.ToInt32(num, 8);//8->10
                if (bian == "10") c = d;
                else if (bian == "2")
                {
                    string s12 = Convert.ToString(d, 2);//10->2
                    c = int.Parse(s12);
                }
                else
                {
                    string s12 = Convert.ToString(d, 16);//10->16
                    c = int.Parse(s12);
                }
            }
            else if (shi == "10")
            {
                const string PATTERN3 = @"[0-9]+$";
                if (!System.Text.RegularExpressions.Regex.IsMatch(num, PATTERN3))
                {
                    MessageBox.Show("所输入数字进制错");
                    this.Refresh();
                }
                    int d = int.Parse(num);
                if (bian == "2")
                {
                    string s12 = Convert.ToString(d, 2);//10->2
                    c = int.Parse(s12);
                }
                else if (bian == "8")
                {
                    string s12 = Convert.ToString(d, 8);//10->8
                    c = int.Parse(s12);
                }
                else
                {
                    string s12 = Convert.ToString(d, 16);//10->16
                    c = int.Parse(s12);
                }
            }
            else
            {
                const string PATTERN = @"[A-Fa-f0-9]+$";
                if (!System.Text.RegularExpressions.Regex.IsMatch(num, PATTERN))
                {
                    MessageBox.Show("所输入数字进制错");
                    this.Refresh();
                }
                    int d = Convert.ToInt32(num, 16);//16->10
                if (bian == "10") c = d;
                else if (bian == "8")
                {
                    string s12 = Convert.ToString(d, 8);//10->8
                    c = int.Parse(s12);
                }
                else
                {
                    string s12 = Convert.ToString(d, 2);//10->2
                    c = int.Parse(s12);
                }
            }
 
 
 
            jie_text.Text =c.ToString() ;
 
        }
 
        private void shi_com_SelectedIndexChanged(object sender, EventArgs e)
        {
          
        }
 
        private void bian_com_SelectedIndexChanged(object sender, EventArgs e)
        {
           
        }
 
        private void clear_btn_Click(object sender, EventArgs e)
        {
            Input_text.Text = "";
            jie_text.Text = "";
        }
    }
}

form5.cs

namespace login_noteimage
{
    public partial class Form5 : Form
    {
        int count = 0;//照片总数
        int tep = 0;
        int cur = 0;
        OpenFileDialog openFileDialog3 = new OpenFileDialog();
        int Width = 0;
        int Height=0;
        public Form5()
        {
            InitializeComponent();
            openFileDialog3.Multiselect = true;//可以多选
            openFileDialog3.Filter = "PNG(*.png)|*.png|JPG(*.jpg)|*.jpg|BMP(*.bmp)|*.bmp";
            imageList1.ImageSize = new Size(256, 256);
            pictureBox1.SizeMode = PictureBoxSizeMode.CenterImage;
 
            this.Width = pictureBox1.Size.Width;
            this.Height = pictureBox1.Size.Height;
            bili_text.Text = this.Width.ToString() + "  "+this.Height.ToString();
 
            this.pictureBox1.MouseWheel += new System.Windows.Forms.MouseEventHandler(this.pictureBox1_MouseWheel);
        }
        private void pictureBox1_MouseWheel(object sender, MouseEventArgs e)
        {
            if (e.Delta > 0)
            {
                
                pictureBox1.Width += 10;
                pictureBox1.Height += 10;
            }
            else
            {
                pictureBox1.Width -= 10;
                pictureBox1.Height -= 10;
            }
            bili_text.Text = pictureBox1.Width.ToString() + "  " + pictureBox1.Height.ToString();
        }
 
        private void fan_btn_Click(object sender, EventArgs e)
        {
            this.Hide();
            Form2 f2 = new Form2();
            f2.ShowDialog(this);
 
            this.Close();
        }
 
        private void xuan_btn_Click(object sender, EventArgs e)
        {
            try
            {
                openFileDialog3.ShowDialog();//在本地选图片
                string[] st = openFileDialog3.FileNames;
                pictureBox1.Image = Image.FromFile(openFileDialog3.FileName);
            }catch(Exception e3)
            {
                return;
            }
            count = openFileDialog3.FileNames.Length;
            for(int j = 0; j < count; j++)
            {
                imageList1.Images.Add(Image.FromFile(openFileDialog3.FileNames[j]));//加入图片库
            }
            zong_text.Text = count.ToString();
        }
 
        private void first_btn_Click(object sender, EventArgs e)
        {
            pictureBox1.Image = Image.FromFile(openFileDialog3.FileNames[0]);
            cur = 0;
            xian_text.Text = cur.ToString();
        }
 
        private void last_btn_Click(object sender, EventArgs e)
        {
            pictureBox1.Image = Image.FromFile(openFileDialog3.FileNames[count-1]);
            cur = count-1;
            xian_text.Text = cur.ToString();
        }
 
        private void shang_btn_Click(object sender, EventArgs e)
        {
           // MessageBox.Show(this.cur.ToString());
           this.cur--;
            if (cur < 0) cur = count - 1;
            pictureBox1.Image = Image.FromFile(openFileDialog3.FileNames[cur]);
            xian_text.Text = cur.ToString();
            
            
        }
 
        private void xia_btn_Click(object sender, EventArgs e)
        {
            this.cur++;
            if (cur >= count) cur = 0;
            pictureBox1.Image = Image.FromFile(openFileDialog3.FileNames[cur]);
            xian_text.Text = cur.ToString();
           
        }
 
        private void zong_text_TextChanged(object sender, EventArgs e)
        {
            
        }
 
        private void xian_text_TextChanged(object sender, EventArgs e)
        {
          
        }
 
        private void fang_btn_Click(object sender, EventArgs e)
        {
            
          
        }
 
        private void suo_btn_Click(object sender, EventArgs e)
        {
            
            
        }
 
        private void ping_btn_Click(object sender, EventArgs e)
        {
            pictureBox1.BackgroundImageLayout = ImageLayout.Stretch;
            pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
        }
 
        private void zhong_btn_Click(object sender, EventArgs e)
        {
            pictureBox1.SizeMode = PictureBoxSizeMode.CenterImage;
        }
    }
}