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1shi_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1bian_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]+$";if (!System.Text.RegularExpressions.Regex.IsMatch(num, PATTERN1)){MessageBox.Show("所输入数字进制错");this.Refresh();}int d = Convert.ToInt32(num, 2);//2->10if (bian == "10") c = d;else if (bian == "8"){string s12 = Convert.ToString(d, 8);//10->8c = int.Parse(s12);}else{string s12 = Convert.ToString(d, 16);//10->16c = int.Parse(s12);}}else if (shi == "8"){const string PATTERN2 = @"[0-7]+$";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->10if (bian == "10") c = d;else if (bian == "2"){string s12 = Convert.ToString(d, 2);//10->2c = int.Parse(s12);}else{string s12 = Convert.ToString(d, 16);//10->16c = int.Parse(s12);}}else if (shi == "10"){const string PATTERN3 = @"[0-9]+$";if (!System.Text.RegularExpressions.Regex.IsMatch(num, PATTERN3)){MessageBox.Show("所输入数字进制错");this.Refresh();}int d = int.Parse(num);if (bian == "2"){string s12 = Convert.ToString(d, 2);//10->2c = int.Parse(s12);}else if (bian == "8"){string s12 = Convert.ToString(d, 8);//10->8c = int.Parse(s12);}else{string s12 = Convert.ToString(d, 16);//10->16c = int.Parse(s12);}}else{const string PATTERN = @"[A-Fa-f0-9]+$";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->10if (bian == "10") c = d;else if (bian == "8"){string s12 = Convert.ToString(d, 8);//10->8c = int.Parse(s12);}else{string s12 = Convert.ToString(d, 2);//10->2c = 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;}}
}

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