1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Threading.Tasks;
  9 using System.Windows.Forms;
 10 
 11 namespace Test_1
 12 {
 13     public partial class Form1 : Form
 14     {
 15         //验证码
 16         string Code = "";
 17         public Form1()
 18         {
 19             InitializeComponent();
 20             Verification_Code();
 21             Form_Load();
 22         }
 23 
 24         #region 自定义函数
 25         private void Form_Load()
 26         {
 27             toolTip1.SetToolTip(User_ID, "请输入账号(默认账号为20172202899)");
 28             toolTip1.SetToolTip(Password, "请输入密码(默认账号为123456)");
 29             toolTip1.SetToolTip(Captcha, "请输入验证码");
 30             toolTip1.SetToolTip(button1, "登录并显示文本编辑器");
 31             toolTip1.SetToolTip(button2, "退出");
 32             toolTip1.SetToolTip(pictureBox1, "您好，我叫龙猫");
 33             toolTip1.SetToolTip(pictureBox2, "验证码为" + Code);
 34 
 35         }
 36         private void Verification_Code(){
 37             Bitmap map = new Bitmap(pictureBox2.Width, pictureBox2.Height);
 38             Graphics G = Graphics.FromImage(map);
 39 
 40             Random rand = new Random();
 41             Code = "";
 42             for (int i = 0; i < 4; i++)
 43             {
 44                 int x = rand.Next(62);
 45                 if( x < 10)
 46                 {
 47                     Code += x;
 48                 }else if( x <= 35)
 49                 {
 50                     char tmp = (char)(65 + x - 10);
 51                     Code += tmp;
 52                 }
 53                 else
 54                 {
 55                     char tmp = (char)(97 + x - 36);
 56                     Code += tmp;
 57                 }
 58                 
 59             }
 60             string[] MyFont = { "宋体", "隶书", "楷书", "微软雅黑" };
 61             
 62             Color[] MyColor = { Color.Red, Color.Green, Color.Blue, Color.Brown };
 63 
 64             for (int i = 0; i < 4; i++)
 65             {
 66                 //设置位置
 67                 Point p = new Point(i*30, 10);
 68                 //设置字体(字型,字号,粗细)
 69                 Font myFont = new Font(MyFont[rand.Next(4)], 20, FontStyle.Bold);
 70                 //填充颜色
 71                 SolidBrush Sol_b = new SolidBrush(MyColor[rand.Next(4)]);
 72                 //画
 73                 G.DrawString(Code[i].ToString(), myFont, Sol_b, p);
 74             }
 75             //设置背景颜色
 76             //pictureBox2.BackColor = Color.Black;
 77 
 78             //线
 79             for( int i = 0; i < 5; i++)
 80             {
 81                 Point P1 = new Point(rand.Next(map.Width), rand.Next(map.Height));
 82                 Point P2 = new Point(rand.Next(map.Width), rand.Next(map.Height));
 83                 G.DrawLine(new Pen(Color.Gray),P1, P2);
 84             }
 85             //点
 86             for( int i = 0; i < 50; i++)
 87             {
 88                 Point P = new Point(rand.Next(map.Width), rand.Next(map.Height));
 89                 map.SetPixel(P.X, P.Y, Color.Black);
 90             }
 91             pictureBox2.Image = map;
 92         }
 93 
 94         void Clear_Account()
 95         {
 96             User_ID.Clear();
 97             Password.Clear();
 98         }
 99         void Clear_Password()
100         {
101             Password.Clear();
102         }
103         void Clear_VC()
104         {
105             Captcha.Clear();
106         }
107         
108         private void btn_Click()
109         {
110             if (Captcha.Text.ToLower() != Code.ToLower())
111             {
112                 MessageBox.Show("验证码输入有误", "验证码有误", MessageBoxButtons.OK);
113                 Clear_VC();
114             }
115             else if (User_ID.Text == "20172202899" && Password.Text == "123456")
116             {
117                 Form4 form4 = new Form4();
118                 form4.ShowDialog();
119             }
120             else
121             {
122                 if (User_ID.Text != "20172202899")
123                 {
124                     MessageBox.Show("不存在该用户", "用户名有误", MessageBoxButtons.OK);
125                     Clear_Account();
126                 }
127                 else
128                 {
129                     MessageBox.Show("输入的密码错误", "密码错误", MessageBoxButtons.OK);
130                     Clear_Password();
131                 }
132             }
133         }
134         #endregion
135 
136         #region 点击事件
137 
138         private void pictureBox2_Click(object sender, EventArgs e)
139         {
140             Verification_Code();
141         }
142 
143         private void button1_Click(object sender, EventArgs e)
144         {
145             btn_Click();
146         }
147 
148         private void button2_Click(object sender, EventArgs e)
149         {
150             MessageBox.Show("感谢使用","Warming", MessageBoxButtons.OK);
151             this.Close();
152         }
153         #endregion
154 
155 
156         #region 按键设置
157 
158         private void Captcha_KeyPress(object sender, KeyPressEventArgs e)
159         {
160             if (e.KeyChar == 13)
161             {
162                 btn_Click();
163             }
164         }
165         #endregion
166 
167         #region 时钟设计
168         private void timer1_Tick(object sender, EventArgs e)
169         {
170             Title.Left-=10;
171             if( Title.Left <= -Title.Width)
172             {
173                 Title.Left = this.Width + Title.Width;
174             }
175         }
176 
177 
178         #endregion
179 
180     }
181 
182 }

 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Threading.Tasks;
 9 using System.Windows.Forms;
10 
11 namespace Test_1
12 {
13     public partial class Form2 : Form
14     {
15         public Form2()
16         {
17             InitializeComponent();
18             Form_Load();
19             Init_FontFa = textBox1.Font.FontFamily;
20             Init_FontEsize = textBox1.Font.Size;
21         }
22 
23         FontFamily Init_FontFa;
24         float Init_FontEsize;
25         #region 自定义函数
26         void Btn1_Click()
27         {
28             textBox1.Font = new Font(Init_FontFa, Init_FontEsize);
29             textBox1.ForeColor = Color.Red;
30         }
31         void Btn2_Click()
32         {
33             textBox1.Font = new Font("宋体", 16);
34             textBox1.ForeColor = Color.Black;
35         }
36         void Form_Load()
37         {
38             toolTip1.SetToolTip(textBox1, "输入文本进去");
39             toolTip1.SetToolTip(textBox2, "文本只读,并显示上面文本形式");
40             toolTip1.SetToolTip(button1, "红色");
41             toolTip1.SetToolTip(button2, "黑色，并同时改字号为16");
42         }
43         #endregion
44 
45 
46         #region 点击事件
47 
48         private void button1_Click(object sender, EventArgs e)
49         {
50             Btn1_Click();
51         }
52 
53         private void button2_Click(object sender, EventArgs e)
54         {
55             Btn2_Click();
56         }
57         private void btn3_click(object sender, EventArgs e)
58         {
59             fontDialog1.ShowColor = true;
60             DialogResult dr = fontDialog1.ShowDialog();
61 
62             if (dr == DialogResult.OK)
63             {
64                 textBox1.Font = fontDialog1.Font;
65                 textBox1.ForeColor = fontDialog1.Color;
66             }
67         }
68 
69         #endregion
70 
71         #region 同时显示 TextChanged
72         private void textBox1_TextChanged(object sender, EventArgs e)
73         {
74             textBox2.Text = textBox1.Text;
75         }
76         #endregion
77 
78         
79     }
80 }

 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Threading.Tasks;
 9 using System.Windows.Forms;
10 
11 namespace Test_1
12 {
13     public partial class Form3 : Form
14     {
15         DateTime Start_time,End_time;
16         public Form3()
17         {
18             InitializeComponent();
19             Start_time = System.DateTime.Now;
20             End_time = DateTime.Parse(Start_time.ToString("yyyy-MM-dd HH:mm:ss")).AddMinutes(1);
21             Start_Time_Tb.Text = Start_time.ToString("yyyy-MM-dd HH:mm:ss");
22               End_Time_Tb.Text =   End_time.ToString("yyyy-MM-dd HH:mm:ss");
23         }
24         public void btn_close()
25         {
26             this.Close();
27         }
28         public void btn_submit()
29         {
30             int total_score = 0;
31             if (radioButton1_3.Checked) total_score += 20;
32             if (radioButton2_4.Checked) total_score += 20;
33             try{
34                 if ((string)(comboBox1.Items[comboBox1.SelectedIndex]) == "法师") 
35                     total_score += 20;
36             }
37             catch (Exception ex)
38             {
39                 total_score += 0;
40             }
41             
42             if (checkBox4_1.Checked) total_score += 10;
43             if (checkBox4_3.Checked) total_score += 10;
44 
45             foreach (int i in listBox1.SelectedIndices)
46             {
47                 if (i == 0 || i == 3) total_score += 10;
48             }
49             Score_txt.Text = total_score.ToString();
50         }
51 
52         private void Time_Show(object sender, EventArgs e)
53         {
54             TimeSpan t = End_time.Subtract(DateTime.Now);
55             Diff_Time_Tb.Text = t.ToString(@"hh\:mm\:ss");
56             if( t.ToString(@"hh\:mm\:ss") == "00:00:00")
57             {
58                 btn_submit();
59                 timer1.Enabled = false;
60             }
61         }
62 
63         private void btn_submit(object sender, EventArgs e)
64         {
65             btn_submit();
66         }
67 
68         public void btn_close(object sender, EventArgs e)
69         {
70             btn_close();
71         }
72 
73     }
74 }

  1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Threading.Tasks;
  9 using System.Windows.Forms;
 10 
 11 namespace Test_1
 12 {
 13     public partial class Form4 : Form
 14     {
 15         public Form4()
 16         {
 17             InitializeComponent();
 18         }
 19 
 20         public void Form_load(object sender, EventArgs e)
 21         {
 22             toolStripStatusLabel1.Text = "光";
 23             pictureBox1.Image = Properties.Resources.光_维恩;
 24             Light.Checked = false;
 25         }
 26 
 27 
 28         private void 自测题ToolStripMenuItem_Click(object sender, EventArgs e)
 29         {
 30             Form3 form3 = new Form3();
 31             form3.ShowDialog();
 32         }
 33 
 34         private void 文本编辑ToolStripMenuItem_Click(object sender, EventArgs e)
 35         {
 36             Form2 form2 = new Form2();
 37             form2.ShowDialog();
 38         }
 39 
 40         private void Fire_Click(object sender, EventArgs e)
 41         {
 42             Fire.Checked = true;
 43             Light.Checked = false;
 44             Shadow.Checked = false;
 45             Ocean.Checked = false;
 46             Polar.Checked = false;
 47             Crystal.Checked = false;
 48             Electric.Checked = false;
 49             pictureBox1.Image = Properties.Resources.火_阿木木;
 50             toolStripStatusLabel1.Text = "Fire";
 51         }
 52 
 53         private void Light_Click(object sender, EventArgs e)
 54         {
 55             Fire.Checked = false;
 56             Light.Checked = true;
 57             Shadow.Checked = false;
 58             Ocean.Checked = false;
 59             Polar.Checked = false;
 60             Crystal.Checked = false;
 61             Electric.Checked = false;
 62             Random r = new Random();
 63             int k = r.Next(2);
 64             if( k == 0 )
 65                 pictureBox1.Image = Properties.Resources.光_掘墓;
 66             else
 67                 pictureBox1.Image = Properties.Resources.光_维恩;
 68             toolStripStatusLabel1.Text = "Light";
 69         }
 70 
 71         private void Shadow_Click(object sender, EventArgs e)
 72         {
 73             Fire.Checked = false;
 74             Light.Checked = false;
 75             Shadow.Checked = true;
 76             Ocean.Checked = false;
 77             Polar.Checked = false;
 78             Crystal.Checked = false;
 79             Electric.Checked = false;
 80             
 81             pictureBox1.Image = Properties.Resources.影_剑圣;
 82             
 83             toolStripStatusLabel1.Text = "Shadow";
 84         }
 85 
 86         private void Ocean_Click(object sender, EventArgs e)
 87         {
 88             Fire.Checked = false;
 89             Light.Checked = false;
 90             Shadow.Checked = false;
 91             Ocean.Checked = true;
 92             Polar.Checked = false;
 93             Crystal.Checked = false;
 94             Electric.Checked = false;
 95             Random r = new Random();
 96             int k = r.Next(2);
 97             if (k == 0)
 98                 pictureBox1.Image = Properties.Resources.海洋_吸血鬼;
 99             else
100                 pictureBox1.Image = Properties.Resources.海洋_辛德拉;
101             toolStripStatusLabel1.Text = "Ocean";
102         }
103 
104         private void Polar_Click(object sender, EventArgs e)
105         {
106             Fire.Checked = false;
107             Light.Checked = false;
108             Shadow.Checked = false;
109             Ocean.Checked = false;
110             Polar.Checked = true;
111             Crystal.Checked = false;
112             Electric.Checked = false;
113             pictureBox1.Image = Properties.Resources.极地_EZ;
114             toolStripStatusLabel1.Text = "Polar";
115         }
116 
117         private void Crystal_Click(object sender, EventArgs e)
118         {
119             Fire.Checked = false;
120             Light.Checked = false;
121             Shadow.Checked = false;
122             Ocean.Checked = false;
123             Polar.Checked = false;
124             Crystal.Checked = true;
125             Electric.Checked = false;
126             pictureBox1.Image = Properties.Resources.水晶_寒冰;
127             toolStripStatusLabel1.Text = "Crystal";
128         }
129 
130         private void Electric_Click(object sender, EventArgs e)
131         {
132             Fire.Checked = false;
133             Light.Checked = false;
134             Shadow.Checked = false;
135             Ocean.Checked = false;
136             Polar.Checked = false;
137             Crystal.Checked = false;
138             Electric.Checked = true;
139             Random r = new Random();
140             int k = r.Next(2);
141             if (k == 0)
142                 pictureBox1.Image = Properties.Resources.拉克丝;
143             else
144                 pictureBox1.Image = Properties.Resources.雷霆;
145             toolStripStatusLabel1.Text = "Electric";
146         }
147 
148         private void BackGrand_Customize_Click(object sender, EventArgs e)
149         {
150             //1、创建打开文件对话框：设计视图中通过从工具箱中拖动控件已完成
151             //OpenFileDialog d = new OpenFileDialog();
152             //2、对话框的初始化设置:可选项
153             openFileDialog1.Title = "对话框的使用";//标题
154             openFileDialog1.InitialDirectory = "d:\\";//设置初始查找目录
155             openFileDialog1.Filter = "图片(*.jpg)|*.jpg|图片(*.jepg)|*.jepg|所有文件(*.*)|*.*";//文件类型筛选器
156                                                                        //3、显示对话框
157             DialogResult dr = openFileDialog1.ShowDialog();
158             //4、根据用户的选择执行后续的操作
159             if (dr == DialogResult.OK)
160             {//用户的设置，选择的文件
161              //不同的对话框，用户的不同设置，通过对话框的相关属性获取
162              //打开文件对话框：FileName
163                 pictureBox1.Load(openFileDialog1.FileName);
164                 toolStripStatusLabel1.Text = openFileDialog1.FileName; //打开文件对话框中选择的文件名
165             }
166             else
167             {
168                 MessageBox.Show("您没有选择任何文件!");
169             }
170         }
171 
172         //提供复用性强的函数代替以上的函数
173         private void Selection(object sender, EventArgs e)
174         {
175             ToolStripMenuItem menu = sender as ToolStripMenuItem;
176             if (menu != null)
177             {
178                 Fire.Checked = false;
179                 Light.Checked = false;
180                 Shadow.Checked = false;
181                 Ocean.Checked = false;
182                 Polar.Checked = false;
183                 Crystal.Checked = false;
184                 Electric.Checked = false;
185                 BackGrand_Customize.Checked = false;
186                 menu.Checked = true;//在单击的菜单项前显示对勾
187                 switch (menu.Name)
188                 {//2、文本框的前景色
189                     case "Fire":
190                         pictureBox1.Image = Properties.Resources.火_阿木木; break;
191                     case "Light":
192                         pictureBox1.Image = Properties.Resources.光_掘墓; break;
193                     case "Shadow":
194                         pictureBox1.Image = Properties.Resources.影_剑圣; break;
195                     case "Ocean":
196                         pictureBox1.Image = Properties.Resources.海洋_吸血鬼; break;
197                     case "Polar":
198                         pictureBox1.Image = Properties.Resources.极地_EZ; break;
199                     case "Crystal":
200                         pictureBox1.Image = Properties.Resources.水晶_寒冰; break;
201                     case "Electric":
202                         pictureBox1.Image = Properties.Resources.雷霆; break;
203                     default:
204                         openFileDialog1.Title = "对话框的使用";//标题
205                         openFileDialog1.InitialDirectory = "d:\\";//设置初始查找目录
206                         openFileDialog1.Filter = "图片(*.jpg)|*.jpg|图片(*.jepg)|*.jepg|所有文件(*.*)|*.*";//文件类型筛选器
207                                                                                                    //3、显示对话框
208                         DialogResult dr = openFileDialog1.ShowDialog();
209                         //4、根据用户的选择执行后续的操作
210                         if (dr == DialogResult.OK)
211                         {
212                             pictureBox1.Load(openFileDialog1.FileName);
213                             toolStripStatusLabel1.Text = openFileDialog1.FileName; //打开文件对话框中选择的文件名
214                         }
215                         else
216                         {
217                             MessageBox.Show("您没有选择任何文件!");
218                         }
219                         break;
220                 }
221                 toolStripStatusLabel1.Text = menu.Text;
222             }
223         }
224         private void 退出AltshiftEToolStripMenuItem_Click(object sender, EventArgs e)
225         {
226             this.Close();
227         }
228 
229         private void toolStripComboBox1_SelectedIndexChanged(object sender, EventArgs e)
230         {
231             if( toolStripComboBox1.SelectedIndex == 0)
232             {
233                 pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
234             }
235             else if(toolStripComboBox1.SelectedIndex == 1)
236             {
237                 pictureBox1.SizeMode = PictureBoxSizeMode.CenterImage;
238             }
239             else if(toolStripComboBox1.SelectedIndex == 2)
240             {
241                 pictureBox1.SizeMode = PictureBoxSizeMode.Normal;
242             }
243         }
244 
245     }
246 }