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 proj9_1
12 {
13 public partial class Form1 : Form
14 {
15 public Form1()
16 {
17 InitializeComponent();
18 }
19
20 private void button1_Click(object sender, EventArgs e)
21 {
22 Form myform = new Form1_1();
23 myform.ShowDialog();
24
25 }
26
27 private void Form1_Load(object sender, EventArgs e)
28 {
29 //MessageBox.Show("3个按钮", "信息提示", MessageBoxButtons.AbortRetryIgnore);
30 listBox1.Items.Add("清华大学"); listBox1.Items.Add("北京大学");
31 listBox1.Items.Add("北京航空航天大学"); listBox1.Items.Add("人民大学");
32 listBox1.Items.Add("南京大学"); listBox1.Items.Add("武汉大学");
33 listBox1.Items.Add("山东大学"); listBox1.Items.Add("复旦大学");
34 enbutton();
35 }
36
37 private void enbutton()
38 {
39 if (listBox1.Items.Count == 0)
40 {
41 button7.Enabled = false; button8.Enabled = false;
42 }
43 else
44 {
45 button7.Enabled = true; button8.Enabled = true;
46 }
47 if (listBox2.Items.Count == 0)
48 {
49 button9.Enabled = false; button10.Enabled = false;
50 }
51 else
52 {
53 button9.Enabled = true; button10.Enabled = true;
54 }
55 }
56
57 private void button2_Click(object sender, EventArgs e)
58 {
59 Form myform = new Form1_2();
60 myform.Show();
61 }
62
63 private void richTextBox1_TextChanged(object sender, EventArgs e)
64 {
65
66 }
67
68 private void groupBox1_Enter(object sender, EventArgs e)
69 {
70
71 }
72
73 private void checkBox1_CheckedChanged(object sender, EventArgs e)
74 {
75 MessageBox.Show("3个按钮", "信息提示", MessageBoxButtons.AbortRetryIgnore);
76 }
77
78 private void button3_Click(object sender, EventArgs e)
79 {
80 if (checkBox1.Checked && checkBox3.Checked && !checkBox2.Checked && !checkBox4.Checked)
81 {
82 MessageBox.Show("您答对了，真的很棒！！！", "信息提示", MessageBoxButtons.OK);
83 }
84 else
85 MessageBox.Show("您答错了，继续努力。", "信息提示", MessageBoxButtons.OK);
86 }
87
88 private void button4_Click(object sender, EventArgs e)
89 {
90 if (radioButton3.Checked)
91 {
92 MessageBox.Show("您选对了", "提示", MessageBoxButtons.OK);
93 }
94 else if (radioButton1.Checked || radioButton4.Checked)
95 {
96 MessageBox.Show("您选错了", "提示", MessageBoxButtons.OKCancel);
97 }
98 else
99 {
100 MessageBox.Show("您选错了，这是数据库系统", "提示", MessageBoxButtons.OKCancel);
101 }
102 }
103
104 private void button5_Click(object sender, EventArgs e)
105 {
106 pictureBox1.Image = Image.FromFile("E:\\flac3d.jpg");
107
108 }
109
110 private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
111 {
112
113 }
114
115 private void button6_Click(object sender, EventArgs e)
116 {
117 if (textBox1.Text != "")
118 if (!comboBox1.Items.Contains(textBox1.Text))
119 comboBox1.Items.Add(textBox1);
120 }
121
122
123
124 private void button7_Click(object sender, EventArgs e)
125 {
126 if (listBox1.SelectedIndex >= 0)
127 {
128 listBox2.Items.Add(listBox1.SelectedItem);
129 listBox1.Items.RemoveAt(listBox1.SelectedIndex);
130 }
131 enbutton();
132 }
133 private void button8_Click(object sender, EventArgs e)
134 {
135 foreach (var item in listBox1.Items)
136 {
137 listBox2.Items.Add(item);
138 }
139 enbutton();
140 listBox1.Items.Clear();
141 }
142
143 }
144 }
