C#实现简单记事本程序

本文实例为大家分享了使用c#写出一个简单的记事本程序，供大家参考，具体内容如下

编程语言： c#
编程环境： visual studio 2013
运行环境： .net framework 4.5

预览：

功能：

标题栏
显示文件标题

菜单栏
各类菜单命令

文件- 新建
- 打开
- 保存
- 另存为
- 页面设置
- 打印
- 退出

编辑
- 撤销
- 剪切
- 复制
- 粘贴
- 全选
- 时间/日期

格式
- 自动换行
- 字体

视图
- 状态栏
- 工具栏
- 全屏模式

帮助
- 开源许可
- 查看帮助
- 关于

工具栏
常用工具集合

标签栏
文件标签显示

工作区
编辑区

状态栏
显示文件状态

文本状态（新建/已修改）

• 字符个数
• 光标坐标
• 功能实现

本程序有两个窗体，分别为form1和aboutbox1

所有文件如下：

对于form1：
需要引入的类库：

using system;
using system.collections.generic;
using system.componentmodel;
using system.data;
using system.drawing;
using system.io;
using system.linq;
using system.text;
using system.threading.tasks;
using system.windows.forms;

窗体及空间声明代码：

private system.windows.forms.menustrip menustrip1;
private system.windows.forms.toolstripmenuitem 文件toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 新建toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 打开toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 保存toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 另存为toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 编辑toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 格式toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 退出toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 关于toolstripmenuitem;
private system.windows.forms.textbox editbox1;
private system.windows.forms.toolstripmenuitem 撤销toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 剪切toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 复制toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 粘贴toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 删除toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 全选atoolstripmenuitem;
private system.windows.forms.toolstripmenuitem 日期dtoolstripmenuitem;
private system.windows.forms.toolstripmenuitem 格式toolstripmenuitem1;
private system.windows.forms.toolstripmenuitem 字体toolstripmenuitem;
private system.windows.forms.toolstripmenuitem 查看vtoolstripmenuitem;
private system.windows.forms.toolstripmenuitem 状态栏toolstripmenuitem;
private system.windows.forms.statusstrip statusstrip1;
private system.windows.forms.savefiledialog savefiledialog1;
private system.windows.forms.toolstripseparator toolstripmenuitem1;
private system.windows.forms.toolstripseparator toolstripmenuitem3;
private system.windows.forms.toolstripseparator toolstripmenuitem4;
private system.windows.forms.toolstripmenuitem 页面设置utoolstripmenuitem;
private system.drawing.printing.printdocument printdocument1;
private system.windows.forms.pagesetupdialog pagesetupdialog1;
private system.windows.forms.toolstripmenuitem 打印ptoolstripmenuitem;
private system.windows.forms.printdialog printdialog1;
private system.windows.forms.toolstripmenuitem 查看帮助htoolstripmenuitem;
private system.windows.forms.toolstripseparator toolstripmenuitem5;
private system.windows.forms.toolstripmenuitem 自动换行toolstripmenuitem;
private system.windows.forms.toolstripstatuslabel toolstripstatuslabel1;
public system.windows.forms.timer timer1;
private system.windows.forms.toolstripstatuslabel toolstripstatuslabel2;
private system.windows.forms.toolstripstatuslabel toolstripstatuslabel3;
private system.windows.forms.toolstripmenuitem 全屏模式toolstripmenuitem;
private system.windows.forms.toolstrip toolstrip1;
private system.windows.forms.toolstripbutton newbutton;
private system.windows.forms.toolstripbutton openbutton;
private system.windows.forms.toolstripbutton savebutton;
private system.windows.forms.toolstripbutton saveasbutton;
private system.windows.forms.toolstripseparator toolstripseparator1;
private system.windows.forms.toolstripbutton cutbutton;
private system.windows.forms.toolstripbutton copybutton;
private system.windows.forms.toolstripbutton pastebutton;
private system.windows.forms.toolstripbutton deletebutton;
private system.windows.forms.toolstripseparator toolstripseparator2;
private system.windows.forms.toolstripbutton timebutton;
private system.windows.forms.toolstripbutton fullbutton;
private system.windows.forms.toolstripbutton textbutton;
private system.windows.forms.toolstripmenuitem 工具栏toolstripmenuitem;
private system.windows.forms.toolstripstatuslabel toolstripstatuslabel4;
private system.windows.forms.toolstripmenuitem 开源许可otoolstripmenuitem;
private system.windows.forms.tabcontrol tabcontrol1;
private system.windows.forms.tabpage tabpage1;
private system.windows.forms.tabpage tabpage2;
private system.windows.forms.textbox editbox2;1

窗体载入：

private void form1_load(object sender, eventargs e)
  {
   this.editbox1.scrollbars = scrollbars.both;
   this.editbox2.scrollbars = scrollbars.both;
   this.text = textfilename + " - " + programename;//显示文件名
   this.timer1.start();
   editbox1.focus();

  }

首先进行一些固定变量声明：

private string textfilename = "无标题";
private string programename = "icey";
private string filepath = "";
private string asfilepath = "";
private string selectetext = "";
private string helpurl = "https://blog.mayuko.cn/icey";
private string opensourceurl = "https://github.com/mayuko2012/icey";
private string wrongmessage = "你好像遇到了错误...";
private string fileformat = "文本文件(*.txt)|*.txt|icey文件(*.ice)|*.ice|c++文件(*.cpp)|*.cpp|c文件(*.c)|*.c|所有文件(*.*)|(*.*)";
private string tabfilename1 = "无标题1 - icey";
private string tabfilename2 = "无标题2 - icey";
  boolean savefilestatus1 = false;
  boolean textchanged1 = false;
  boolean savefilestatus2 = false;
  boolean textchanged2 = false;

保存文件采用函数形式：

private void savefile()//保存
  {
   if (!textfilename.equals(""))
   {
    savefiledialog savefile = new savefiledialog();
    savefile.filter = fileformat;
    savefile.filename = "*.txt";
    if (savefile.showdialog() == dialogresult.ok)
    {
     filepath = savefile.filename;
     streamwriter sw = new streamwriter(filepath, false, encoding.default);
     sw.write((editbox1.focused) ? editbox1.text : editbox2.text);
     sw.close();
     if (editbox1.focused)
     {
      tabfilename1 = savefile.filename + " - " + programename;
      savefilestatus1 = true;
     }
     else if (editbox2.focused)
     {
      tabfilename2 = savefile.filename + " - " + programename;
      savefilestatus2 = true;
     }

    }
   }
   toolstripstatuslabel4.text = "已保存";
  }

另存为采用函数形式：

private void saveasfile()//另存为
  {
   savefiledialog saveasfile = new savefiledialog();
   saveasfile.filter = fileformat;
   saveasfile.filename = "*.txt";
   if (saveasfile.showdialog() == dialogresult.ok)
   {
    asfilepath = saveasfile.filename;
    streamwriter sw = new streamwriter(asfilepath, false, encoding.default);
    sw.writeline((editbox1.focused) ? editbox1.text : editbox2.text);
    sw.close();
    fileinfo fileinfo = new fileinfo(saveasfile.filename);
    textfilename = fileinfo.name;
   }
   toolstripstatuslabel4.text = "已保存";
}

新建函数：

 private void newfile()//新建
  {
   if (editbox1.focused)
   {

    if (editbox1.text != string.empty && savefilestatus1 == false && textchanged1 == true)//如果文本框不为空
    {
     dialogresult result = messagebox.show("是否将窗口1已编辑文件保存到 " + textfilename, wrongmessage, messageboxbuttons.yesnocancel, messageboxicon.information);
     if (result == dialogresult.yes)
     {
      savefile();
      application.exit();
     }
     else if (result == dialogresult.no)
     {
      editbox1.text = "";
     }
    }
    else
     editbox1.text = "";
   }
   else if (editbox2.focused)
   {
    if (editbox2.text != string.empty && savefilestatus2 == false && textchanged2 == true)//如果文本框不为空
    {
     dialogresult result = messagebox.show("是否将窗口2已编辑文件保存到 " + textfilename, wrongmessage, messageboxbuttons.yesnocancel, messageboxicon.information);
     if (result == dialogresult.yes)
     {
      savefile();
      application.exit();
     }
     else if (result == dialogresult.no)
     {
      editbox2.text = "";
     }
    }
    else
     editbox2.text = "";
   }
 }

打开文件函数：

private void openfile()//打开
   {
    openfiledialog openfile = new openfiledialog();
    openfile.filter = fileformat;
    if (openfile.showdialog() == dialogresult.ok)
    {
     streamreader sr = new streamreader(openfile.filename, encoding.default);
     if (editbox1.focused)
     {
      editbox1.text = sr.readtoend();
     }
     else if(editbox2.focused)
     {
      editbox2.text = sr.readtoend();
     }
     sr.close();
     fileinfo fileinfo = new fileinfo(openfile.filename);
     if (editbox1.focused)
     {
      tabfilename1 = fileinfo.name + " - " + programename;
      savefilestatus1 = true;
     }
     else if (editbox2.focused)
     {
      tabfilename2 = fileinfo.name + " - " + programename;
      savefilestatus2 = true;
     }
     textfilename = fileinfo.name;
    }
}

全屏模式函数：

private void fullscreen()//全屏
  {
   if (全屏模式toolstripmenuitem.checked == false)
   {
    this.windowstate = formwindowstate.maximized;
    全屏模式toolstripmenuitem.checked = true;
    this.formborderstyle = system.windows.forms.formborderstyle.none;
   }
   else
   {
    this.formborderstyle = system.windows.forms.formborderstyle.sizable;
    this.windowstate = formwindowstate.normal;
    全屏模式toolstripmenuitem.checked = false;
   }
}

退出菜单命令：

private void 退出toolstripmenuitem_click(object sender, eventargs e)
  {
   if (editbox1.text != string.empty || savefilestatus1 == false && textchanged1 == true)
   {
    this.tabpage1.show();
    this.editbox1.focus();
    dialogresult result = messagebox.show("是否将窗口1已编辑文件保存到 " + textfilename, wrongmessage, messageboxbuttons.yesnocancel, messageboxicon.information);
    if (result == dialogresult.yes)
    {
     savefile();
     application.exit();
    }
    else if (result == dialogresult.no)
    {
     application.exit();
    }
   }
   else if (editbox2.text != string.empty || savefilestatus2 == false && textchanged2 == true)
   {
    this.tabpage2.show();
    this.editbox2.focus();
    dialogresult result = messagebox.show("是否将窗口2已编辑文件保存到 " + textfilename, wrongmessage, messageboxbuttons.yesnocancel, messageboxicon.information);
    if (result == dialogresult.yes)
    {
     savefile();
     application.exit();
    }
    else if (result == dialogresult.no)
    {
     application.exit();
    }
   }
   else
    application.exit();

}

bool变量，用于判断textbox是否发生变化：

private void textbox1_textchanged(object sender, eventargs e)
  {
   textchanged2 = true;
   toolstripstatuslabel4.text = "已修改";
  }
  private void editbox2_textchanged(object sender, eventargs e)
  {
   textchanged2 = true;
   toolstripstatuslabel4.text = "已修改";
  }

新建菜单命令：

private void 新建toolstripmenuitem_click(object sender, eventargs e)
 {
   newfile();
  }

打开菜单命令：

private void 打开toolstripmenuitem_click(object sender, eventargs e)
 {
   openfile();
  }

字体菜单命令：

private void 字体toolstripmenuitem_click(object sender, eventargs e)
  {
   fontdialog fontdialog = new fontdialog();
   if (fontdialog.showdialog() == dialogresult.ok)
   {
    if (editbox1.focused)
    {
     editbox1.font = fontdialog.font;
    }
    else
     editbox2.font = fontdialog.font;
   }
  }

退出动作（当用户点击窗体右上角退出按钮时执行此操作）：

private void form1_formclosing(object sender, formclosingeventargs e)
  {
   if (editbox1.text != string.empty && e.closereason == closereason.userclosing || savefilestatus1 == false && textchanged1 == true)//如果文本框不为空&&触发关闭按钮事件
   {
    this.tabpage1.show();
    this.editbox1.focus();
    dialogresult result = messagebox.show("是否将窗体1已编辑文件保存到 " + textfilename, wrongmessage, messageboxbuttons.yesnocancel, messageboxicon.information);
    if (result == dialogresult.yes)
    {
     savefile();
     e.cancel = false;
    }
    else if (result == dialogresult.no)
    {
     e.cancel = false;
    }
    else if (result == dialogresult.cancel)
    {
     e.cancel = true;
    }
   }
   else if (editbox2.text != string.empty && e.closereason == closereason.userclosing || savefilestatus2 == false && textchanged2 == true)//如果文本框不为空&&触发关闭按钮事件
   {
    this.tabpage2.show();
    this.editbox2.focus();
    dialogresult result = messagebox.show("是否将窗口2已编辑文件保存到 " + textfilename, wrongmessage, messageboxbuttons.yesnocancel, messageboxicon.information);
    if (result == dialogresult.yes)
    {
     savefile();
     e.cancel = false;
    }
    else if (result == dialogresult.no)
    {
     e.cancel = false;
    }
    else if (result == dialogresult.cancel)
    {
     e.cancel = true;
    }
   }
   else
    application.exit();
  }

状态栏命令（状态栏是否显示）：

private void 状态栏toolstripmenuitem_click(object sender, eventargs e)
 {
   if (状态栏toolstripmenuitem.checked == true)
   {
    状态栏toolstripmenuitem.checked = false;
    statusstrip1.visible = false;
   }
   else
   {
    状态栏toolstripmenuitem.checked = true;
    statusstrip1.visible = true;
   }
}

编辑命令：

private void 编辑toolstripmenuitem_click(object sender, eventargs e)
  {
   if ((editbox1.selectedtext.equals("")))
   {
    剪切toolstripmenuitem.enabled = false;
    复制toolstripmenuitem.enabled = false;
    删除toolstripmenuitem.enabled = false;
   }
   else
   {
    剪切toolstripmenuitem.enabled = true;
    复制toolstripmenuitem.enabled = true;
    删除toolstripmenuitem.enabled = true;
   }

  }

全选命令：

private void 全选atoolstripmenuitem_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    this.editbox1.selectall();
   }
   else
    this.editbox2.selectall();
  }

剪切 复制 粘贴 删除命令：

private void 剪切toolstripmenuitem_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    selectetext = editbox1.selectedtext;
    this.editbox1.cut();
   }
   else
   {
    selectetext = editbox2.selectedtext;
    this.editbox2.cut();
   }
  }

  private void 撤销toolstripmenuitem_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    this.editbox1.undo();
   }
   else
    this.editbox2.undo();
  }

  private void 复制toolstripmenuitem_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    this.editbox1.copy();
   }
   else
    this.editbox2.copy();
  }

  private void 粘贴toolstripmenuitem_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    this.editbox1.paste();
   }
   else
    this.editbox2.paste();
  }

  private void 删除toolstripmenuitem_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    this.editbox1.selectedtext = "";
   }
   else
    this.editbox2.selectedtext = "";
  }

保存命令：

private void 保存toolstripmenuitem_click(object sender, eventargs e)
 {
   savefile();
  }

另存为命令：

private void 另存为toolstripmenuitem_click(object sender, eventargs e)
 {
   saveasfile();
  }

时间戳命令：

private void 日期dtoolstripmenuitem_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    editbox1.appendtext(system.datetime.now.tostring());
   }
   else
    editbox2.appendtext(system.datetime.now.tostring());
  }

页面设置命令：

private void 页面设置utoolstripmenuitem_click(object sender, eventargs e)
  {
   pagesetupdialog1.document = printdocument1;
   this.pagesetupdialog1.allowmargins = true;
   this.pagesetupdialog1.alloworientation = true;
   this.pagesetupdialog1.allowpaper = true;
   this.pagesetupdialog1.allowprinter = true;
   this.pagesetupdialog1.document = this.printdocument1;
   pagesetupdialog1.showdialog();
  }

打印命令：

private void 打印ptoolstripmenuitem_click(object sender, eventargs e)
  {
   this.printdialog1.document = this.printdocument1;
   this.printdialog1.printersettings = this.pagesetupdialog1.printersettings;
   if (this.printdialog1.showdialog() == dialogresult.ok)
   {
    try
    {
     this.printdocument1.print();
    }
    catch (exception ex)
    {
     messagebox.show(ex.message, wrongmessage, messageboxbuttons.ok, messageboxicon.error);
    }
   }
  }

查看帮助 关于命令：

private void 查看帮助htoolstripmenuitem_click(object sender, eventargs e)
  {
   system.diagnostics.process.start(helpurl); 
  }

  private void 关于toolstripmenuitem_click(object sender, eventargs e)
  {
   aboutbox1 about = new aboutbox1();
   about.startposition = formstartposition.centerscreen; 
   about.show();
   about.owner = this;
   //timer1.stop();
  }

自动换行命令：

private void 自动换行toolstripmenuitem_click(object sender, eventargs e)
  {
   if (自动换行toolstripmenuitem.checked == true)
   {
    editbox1.wordwrap = false;
    editbox2.wordwrap = false;
    自动换行toolstripmenuitem.checked = false;
   }
   else
   {
    editbox1.wordwrap = true;
    editbox2.wordwrap = true;
    自动换行toolstripmenuitem.checked = true;
   }
  }

计时器（100 ms刷新频率）：

 private void timer1_tick(object sender, eventargs e)
  {
   toolstripstatuslabel1.text = (editbox1.focused) ? editbox1.text.length.tostring() + " 个字符" : editbox2.text.length.tostring() + " 个字符";
   int totalline = (editbox1.focused) ? editbox1.getlinefromcharindex(editbox1.text.length) + 1 : editbox2.getlinefromcharindex(editbox2.text.length) + 1;//得到总行数
   int index = (editbox1.focused) ? editbox1.getfirstcharindexofcurrentline() : editbox2.getfirstcharindexofcurrentline();//得到当前行第一个字符的索引
   int line = (editbox1.focused) ? editbox1.getlinefromcharindex(index) + 1 : editbox2.getlinefromcharindex(index) + 1;//得到当前行的行号
   int col = (editbox1.focused) ? editbox1.selectionstart - index + 1 : editbox2.selectionstart - index + 1;//.selectionstart得到光标所在位置的索引 - 当前行第一个字符的索引 = 光标所在的列数
   toolstripstatuslabel2.text = "第" + line + "行，第" + col + "列";
   if (( (editbox1.focused) ? editbox1.selectedtext.equals(""):editbox2.selectedtext.equals("")))
   {
    cutbutton.enabled = false;
    copybutton.enabled = false;
    deletebutton.enabled = false;
   }
   else
   {
    cutbutton.enabled = true;
    copybutton.enabled = true;
    deletebutton.enabled = true;
   }
   if (editbox1.focused)
   {
    editbox1.focus();
    this.text = tabfilename1;
   }
   else
   {
    editbox2.focus();
    this.text = tabfilename2;
   }
   if (editbox2.focused)
   {
    editbox2.focus();
    this.text = tabfilename2;
   }
   else
   {
    editbox1.focus();
    this.text = tabfilename1;
   }
  }

工具栏命令（工具栏是否显示）：

private void 工具栏toolstripmenuitem_click(object sender, eventargs e)
  {
   if (工具栏toolstripmenuitem.checked == false)
   {
    toolstrip1.visible = true;
    工具栏toolstripmenuitem.checked = true;
   }
   else if(工具栏toolstripmenuitem.checked == true)
   {
    toolstrip1.visible = false;
    工具栏toolstripmenuitem.checked = false;
   }
  }

开源许可命令：

private void 开源许可otoolstripmenuitem_click(object sender, eventargs e)
  {
   system.diagnostics.process.start(opensourceurl); 
  }

工具栏的各个按钮：

private void newbutton_click(object sender, eventargs e)
  {
   newfile();
  }

  private void openbutton_click(object sender, eventargs e)
  {
   openfile();
  }

  private void savebutton_click(object sender, eventargs e)
  {
   savefile();
  }

  private void saveasbutton_click(object sender, eventargs e)
  {
   saveasfile();
  }

  private void cutbutton_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    selectetext = editbox1.selectedtext;
    this.editbox1.cut();
   }
   else
   {
    selectetext = editbox2.selectedtext;
    this.editbox2.cut();
   }
  }

  private void copybutton_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    this.editbox1.copy();
   }
   else
    this.editbox2.copy();
  }

  private void pastebutton_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    this.editbox1.paste();
   }
   else
    this.editbox2.paste();
  }

  private void deletebutton_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    this.editbox1.selectedtext = "";
   }
   else
    this.editbox2.selectedtext = "";
  }

  private void timebutton_click(object sender, eventargs e)
  {
   if (editbox1.focused)
   {
    editbox1.appendtext(system.datetime.now.tostring());
   }
   else
    editbox2.appendtext(system.datetime.now.tostring());
  }

  private void textbutton_click(object sender, eventargs e)
  {
   fontdialog fontdialog = new fontdialog();
   if (fontdialog.showdialog() == dialogresult.ok)
   {
    if (editbox1.focused)
    {
     editbox1.font = fontdialog.font;
    }
    else
     editbox2.font = fontdialog.font;
   }
  }

  private void fullbutton_click(object sender, eventargs e)
  {
   fullscreen(); 
}

标签栏：

private void tabpage1_click(object sender, eventargs e)
  {
   editbox1.focus();
   this.text = tabpage1.text;
   if (textchanged1 == false)
   {
    toolstripstatuslabel4.text = "新建";
   }
  }

  private void tabpage2_click(object sender, eventargs e)
  {
   editbox2.focus();
   this.text = tabpage2.text;
   if (textchanged2 == false)
   {
    toolstripstatuslabel4.text = "新建";
   }
  }

对于aboutbox：

using system;
using system.collections.generic;
using system.componentmodel;
using system.drawing;
using system.linq;
using system.reflection;
using system.threading.tasks;
using system.windows.forms;

namespace notepad
{
 partial class aboutbox1 : form
 {
  public aboutbox1()
  {
   initializecomponent();
   this.text = string.format("关于 {0}", assemblytitle);
   this.labelproductname.text = assemblyproduct;
   this.labelversion.text = string.format("版本 {0}", assemblyversion);
   this.labelcopyright.text = assemblycopyright;
   this.labelcompanyname.text = assemblycompany;
   this.textboxdescription.text = assemblydescription;
  }

  #region 程序集特性访问器

  public string assemblytitle
  {
   get
   {
    object[] attributes = assembly.getexecutingassembly().getcustomattributes(typeof(assemblytitleattribute), false);
    if (attributes.length > 0)
    {
     assemblytitleattribute titleattribute = (assemblytitleattribute)attributes[0];
     if (titleattribute.title != "")
     {
      return titleattribute.title;
     }
    }
    return system.io.path.getfilenamewithoutextension(assembly.getexecutingassembly().codebase);
   }
  }

  public string assemblyversion
  {
   get
   {
    return assembly.getexecutingassembly().getname().version.tostring();
   }
  }

  public string assemblydescription
  {
   get
   {
    object[] attributes = assembly.getexecutingassembly().getcustomattributes(typeof(assemblydescriptionattribute), false);
    if (attributes.length == 0)
    {
     return "";
    }
    return ((assemblydescriptionattribute)attributes[0]).description;
   }
  }

  public string assemblyproduct
  {
   get
   {
    object[] attributes = assembly.getexecutingassembly().getcustomattributes(typeof(assemblyproductattribute), false);
    if (attributes.length == 0)
    {
     return "";
    }
    return ((assemblyproductattribute)attributes[0]).product;
   }
  }

  public string assemblycopyright
  {
   get
   {
    object[] attributes = assembly.getexecutingassembly().getcustomattributes(typeof(assemblycopyrightattribute), false);
    if (attributes.length == 0)
    {
     return "";
    }
    return ((assemblycopyrightattribute)attributes[0]).copyright;
   }
  }

  public string assemblycompany
  {
   get
   {
    object[] attributes = assembly.getexecutingassembly().getcustomattributes(typeof(assemblycompanyattribute), false);
    if (attributes.length == 0)
    {
     return "";
    }
    return ((assemblycompanyattribute)attributes[0]).company;
   }
  }
  #endregion

  private void aboutbox1_load(object sender, eventargs e)
  {

  }

  private void okbutton_click(object sender, eventargs e)
  {
   messagebox.show("已是最新版本！", "检查更新");
  }
  private void aboutbox1_formclosing(object sender, formclosingeventargs e)
  {
   form1 frm1 = (form1)this.owner;
   frm1.timer1.start();
  }
 }
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。