记事本实例

  1using System;
  2using System.Drawing;
  3using System.Collections;
  4using System.ComponentModel;
  5using System.Windows.Forms;
  6using System.Data;
  7using System.IO;
  8
  9namespace NotePad
 10{
 11    /**//// <summary>
 12    /// 记事本实例。
 13    /// </summary>
 14    public class Form1 : System.Windows.Forms.Form
 15    {
 16        private System.Windows.Forms.MainMenu mainMenu1;
 17        private System.Windows.Forms.MenuItem menuItem1;
 18        private System.Windows.Forms.MenuItem menuItem3;
 19        private System.Windows.Forms.MenuItem menuItem4;
 20        private System.Windows.Forms.MenuItem menuItem5;
 21        private System.Windows.Forms.MenuItem menuItem6;
 22        private System.Windows.Forms.MenuItem menuItem7;
 23        private System.Windows.Forms.MenuItem menuItem8;
 24        private System.Windows.Forms.MenuItem menuItem9;
 25        private System.Windows.Forms.MenuItem menuItem10;
 26        private System.Windows.Forms.MenuItem menuItem14;
 27        private System.Windows.Forms.MenuItem menuItem15;
 28        private System.Windows.Forms.MenuItem menuItem16;
 29        private System.Windows.Forms.RichTextBox richTextBox1;
 30        private System.Windows.Forms.FontDialog fontDialog1;
 31        private System.Windows.Forms.SaveFileDialog saveFileDialog1;
 32        private System.Windows.Forms.OpenFileDialog openFileDialog1;
 33        /**//// <summary>
 34        /// 必需的设计器变量。
 35        /// </summary>
 36        private System.ComponentModel.Container components = null;
 37
 38        public Form1()
 39        {
 40            //
 41            // Windows 窗体设计器支持所必需的
 42            //
 43            InitializeComponent();
 44
 45            //
 46            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
 47            //
 48        }
 49
 50        /**//// <summary>
 51        /// 清理所有正在使用的资源。
 52        /// </summary>
 53        protected override void Dispose( bool disposing )
 54        {
 55            if( disposing )
 56            {
 57                if (components != null) 
 58                {
 59                    components.Dispose();
 60                }
 61            }
 62            base.Dispose( disposing );
 63        }
 64
 65        Windows Form Designer generated code#region Windows Form Designer generated code
 66        /**//// <summary>
 67        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
 68        /// 此方法的内容。
 69        /// </summary>
 70        private void InitializeComponent()
 71        {
 72            this.mainMenu1 = new System.Windows.Forms.MainMenu();
 73            this.menuItem1 = new System.Windows.Forms.MenuItem();
 74            this.menuItem6 = new System.Windows.Forms.MenuItem();
 75            this.menuItem7 = new System.Windows.Forms.MenuItem();
 76            this.menuItem8 = new System.Windows.Forms.MenuItem();
 77            this.menuItem9 = new System.Windows.Forms.MenuItem();
 78            this.menuItem10 = new System.Windows.Forms.MenuItem();
 79            this.menuItem14 = new System.Windows.Forms.MenuItem();
 80            this.menuItem3 = new System.Windows.Forms.MenuItem();
 81            this.menuItem15 = new System.Windows.Forms.MenuItem();
 82            this.menuItem16 = new System.Windows.Forms.MenuItem();
 83            this.menuItem4 = new System.Windows.Forms.MenuItem();
 84            this.menuItem5 = new System.Windows.Forms.MenuItem();
 85            this.richTextBox1 = new System.Windows.Forms.RichTextBox();
 86            this.fontDialog1 = new System.Windows.Forms.FontDialog();
 87            this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
 88            this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
 89            this.SuspendLayout();
 90            // 
 91            // mainMenu1
 92            // 
 93            this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
 94                                                                                      this.menuItem1,
 95                                                                                      this.menuItem3,
 96                                                                                      this.menuItem4});
 97            // 
 98            // menuItem1
 99            // 
100            this.menuItem1.Index = 0;
101            this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
102                                                                                      this.menuItem6,
103                                                                                      this.menuItem7,
104                                                                                      this.menuItem8,
105                                                                                      this.menuItem9,
106                                                                                      this.menuItem10,
107                                                                                      this.menuItem14});
108            this.menuItem1.Text = "文件(&F)";
109            // 
110            // menuItem6
111            // 
112            this.menuItem6.Index = 0;
113            this.menuItem6.Shortcut = System.Windows.Forms.Shortcut.CtrlN;
114            this.menuItem6.Text = "新建(&N)";
115            this.menuItem6.Click += new System.EventHandler(this.menuItem6_Click);
116            // 
117            // menuItem7
118            // 
119            this.menuItem7.Index = 1;
120            this.menuItem7.Shortcut = System.Windows.Forms.Shortcut.CtrlO;
121            this.menuItem7.Text = "打开(&O)";
122            this.menuItem7.Click += new System.EventHandler(this.menuItem7_Click);
123            // 
124            // menuItem8
125            // 
126            this.menuItem8.Index = 2;
127            this.menuItem8.Shortcut = System.Windows.Forms.Shortcut.CtrlS;
128            this.menuItem8.Text = "保存(&S)";
129            this.menuItem8.Click += new System.EventHandler(this.menuItem8_Click);
130            // 
131            // menuItem9
132            // 
133            this.menuItem9.Index = 3;
134            this.menuItem9.Text = "另存为(&A)";
135            this.menuItem9.Click += new System.EventHandler(this.menuItem9_Click);
136            // 
137            // menuItem10
138            // 
139            this.menuItem10.Index = 4;
140            this.menuItem10.Text = "-";
141            // 
142            // menuItem14
143            // 
144            this.menuItem14.Index = 5;
145            this.menuItem14.Text = "退出(&X)";
146            this.menuItem14.Click += new System.EventHandler(this.menuItem14_Click);
147            // 
148            // menuItem3
149            // 
150            this.menuItem3.Index = 1;
151            this.menuItem3.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
152                                                                                      this.menuItem15,
153                                                                                      this.menuItem16});
154            this.menuItem3.Text = "格式(&O)";
155            // 
156            // menuItem15
157            // 
158            this.menuItem15.Index = 0;
159            this.menuItem15.Text = "自动换行(&W)";
160            this.menuItem15.Click += new System.EventHandler(this.menuItem15_Click);
161            // 
162            // menuItem16
163            // 
164            this.menuItem16.Index = 1;
165            this.menuItem16.Text = "字体(&F)";
166            this.menuItem16.Click += new System.EventHandler(this.menuItem16_Click);
167            // 
168            // menuItem4
169            // 
170            this.menuItem4.Index = 2;
171            this.menuItem4.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
172                                                                                      this.menuItem5});
173            this.menuItem4.Text = "帮助(&H)";
174            // 
175            // menuItem5
176            // 
177            this.menuItem5.Index = 0;
178            this.menuItem5.Text = "关于记事本(&A)";
179            this.menuItem5.Click += new System.EventHandler(this.menuItem5_Click);
180            // 
181            // richTextBox1
182            // 
183            this.richTextBox1.Dock = System.Windows.Forms.DockStyle.Fill;
184            this.richTextBox1.Name = "richTextBox1";
185            this.richTextBox1.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.ForcedBoth;
186            this.richTextBox1.Size = new System.Drawing.Size(480, 311);
187            this.richTextBox1.TabIndex = 0;
188            this.richTextBox1.Text = "";
189            this.richTextBox1.WordWrap = false;
190            this.richTextBox1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.richTextBox1_KeyPress);
191            // 
192            // saveFileDialog1
193            // 
194            this.saveFileDialog1.FileName = "doc1";
195            // 
196            // Form1
197            // 
198            this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
199            this.ClientSize = new System.Drawing.Size(480, 311);
200            this.Controls.AddRange(new System.Windows.Forms.Control[] {
201                                                                          this.richTextBox1});
202            this.Menu = this.mainMenu1;
203            this.Name = "Form1";
204            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
205            this.Text = "记事本";
206            this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
207            this.ResumeLayout(false);
208
209        }
210        #endregion
211
212        /**//// <summary>
213        /// 应用程序的主入口点。
214        /// </summary>
215        [STAThread]
216        static void Main() 
217        {
218            Application.Run(new Form1());
219        }
220
221
222        /**//// 定义程序中的私有变量。
223        private bool dirty = false;
224        private string filepath = "";
225
226        private void MySaving()
227        {
228            if (dirty)
229            {
230                if (MessageBox.Show("需要保存文件吗？","提示框",MessageBoxButtons.YesNo) == DialogResult.Yes)
231                {
232                    if (saveFileDialog1.ShowDialog() == DialogResult.OK)
233                    {
234                        dirty = false;
235                        if (filepath.Length == 0)
236                        {
237                            filepath = saveFileDialog1.FileName;
238                        }
239                        StreamWriter sTmp = new StreamWriter(filepath);
240                        sTmp.Write(richTextBox1.Text);
241                        sTmp.Flush();
242                        sTmp.Close();
243                    }
244                }
245            }
246        }
247        private void menuItem14_Click(object sender, System.EventArgs e)
248        {
249            MySaving();
250            if (dirty == false)
251                Close();
252        }
253        private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
254        {
255            MySaving();
256            if (dirty == false)
257                e.Cancel = false;
258        }
259        private void menuItem15_Click(object sender, System.EventArgs e)
260        {
261            if (richTextBox1.WordWrap == true)
262            {
263                richTextBox1.WordWrap = false;
264                mainMenu1.MenuItems[2].MenuItems[0].Checked = false;
265            }
266            else
267            {
268                richTextBox1.WordWrap = true;
269                mainMenu1.MenuItems[2].MenuItems[0].Checked = true;
270            }
271        }
272        private void menuItem16_Click(object sender, System.EventArgs e)
273        {
274            if (fontDialog1.ShowDialog() == DialogResult.OK)
275            {
276                richTextBox1.Font = fontDialog1.Font;
277            }
278        }
279        private void menuItem5_Click(object sender, System.EventArgs e)
280        {
281            MessageBox.Show("记事本实例 1.0版", "关于记事本");
282        }
283        private void richTextBox1_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
284        {
285            dirty = true;
286        }
287        private void menuItem6_Click(object sender, System.EventArgs e)
288        {
289            MySaving();
290            dirty = false;
291            richTextBox1.Text = "";
292        }
293        private void menuItem7_Click(object sender, System.EventArgs e)
294        {
295            MySaving();
296            if (openFileDialog1.ShowDialog() == DialogResult.OK)
297            {
298                dirty = false;
299                StreamReader sTmp = new StreamReader(openFileDialog1.FileName, System.Text.Encoding.ASCII);
300                filepath = openFileDialog1.FileName;
301                richTextBox1.Text = "";
302                richTextBox1.Text = sTmp.ReadToEnd();
303            }
304        }
305        private void menuItem8_Click(object sender, System.EventArgs e)
306        {
307            MySaving();
308        }
309        private void menuItem9_Click(object sender, System.EventArgs e)
310        {
311            MySaving();
312        }
313    }
314}
315