aboutbox.cs

中文名：Windows Forms 程序设计 英文名：Windows Forms Programming in c# 作者： Chris Sells 翻译： 荣耀 蒋贤哲 出版社：人民

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using System.Text;
using System.Reflection;

namespace Wahoo {
  partial class AboutBox : Form {
    public AboutBox() {
      InitializeComponent();

      //  Initialize the AboutBox to display the product information from the assembly information.
      //  Change assembly information settings for your application through either:
      //  - Project->Properties->Application->Assembly Information
      //  - AssemblyInfo.cs
      this.Text = String.Format("About {0}", AssemblyTitle);
      this.labelProductName.Text = AssemblyProduct;
      this.labelVersion.Text = String.Format("Version {0}", AssemblyVersion);
      this.labelCopyright.Text = AssemblyCopyright;
      this.labelCompanyName.Text = AssemblyCompany;
      this.descriptionLabel.Text = AssemblyDescription;
    }

    #region Assembly Attibute Accessors

    public string AssemblyTitle {
      get {
        // Get all Title attributes on this assembly
        object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyTitleAttribute), false);
        // If there is at least one Title attribute
        if( attributes.Length > 0 ) {
          // Select the first one
          AssemblyTitleAttribute titleAttribute = (AssemblyTitleAttribute)attributes[0];
          // If it is not an empty string, return it
          if( titleAttribute.Title != "" )
            return titleAttribute.Title;
        }
        // If there was no Title attribute, or if the Title attribute was the empty string, return the .exe name
        return System.IO.Path.GetFileNameWithoutExtension(Assembly.GetExecutingAssembly().CodeBase);
      }
    }

    public string AssemblyVersion {
      get {
        // Will throw a security exception under partial trust (Internet Zone)
        //return Assembly.GetExecutingAssembly().GetName().Version.ToString();

        // Will run under partial trust (Internet Zone)
        return Application.ProductVersion.ToString();
      }
    }

    public string AssemblyDescription {
      get {
        // Get all Description attributes on this assembly
        object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyDescriptionAttribute), false);
        // If there aren't any Description attributes, return an empty string
        if( attributes.Length == 0 )
          return "";
        // If there is a Description attribute, return its value
        return ((AssemblyDescriptionAttribute)attributes[0]).Description;
      }
    }

    public string AssemblyProduct {
      get {
        // Get all Product attributes on this assembly
        object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyProductAttribute), false);
        // If there aren't any Product attributes, return an empty string
        if( attributes.Length == 0 )
          return "";
        // If there is a Product attribute, return its value
        return ((AssemblyProductAttribute)attributes[0]).Product;
      }
    }

    public string AssemblyCopyright {
      get {
        // Get all Copyright attributes on this assembly
        object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
        // If there aren't any Copyright attributes, return an empty string
        if( attributes.Length == 0 )
          return "";
        // If there is a Copyright attribute, return its value
        return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
      }
    }

    public string AssemblyCompany {
      get {
        // Get all Company attributes on this assembly
        object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCompanyAttribute), false);
        // If there aren't any Company attributes, return an empty string
        if( attributes.Length == 0 )
          return "";
        // If there is a Company attribute, return its value
        return ((AssemblyCompanyAttribute)attributes[0]).Company;
      }
    }
    #endregion

    private void AboutBox_Load(object sender, EventArgs e) {
      // Get referenced assemblies
      StringBuilder sb = new StringBuilder();
      Assembly executingAssembly = Assembly.GetExecutingAssembly();
      foreach( AssemblyName name in executingAssembly.GetReferencedAssemblies() ) {
        sb.Append(string.Format("{0} v{1}\r\n", name.Name, name.Version));
      }
      this.assembliesTextBox.Text = sb.ToString();
    }
  }
}