It is important to note that JS accesses external Windows application methods and needs to external the Windows object
Example: Window.external.CSharpfunction (XX,XX,XX);
1<! DOCTYPE html>2 3"en"xmlns="http://www.w3.org/1999/xhtml">45<meta http-equiv="Content-language"Content="ZH-CN">6<script language="JavaScript"Type="Text/javascript">7<!--provides a way for C # program calls--8 function MessageBox (message)9 {Ten alert (message); One } A</script> - - the<body> -<!--call C # Method-- -<button onclick="Window.external.MyMessageBox (' JavaScript access C # code ')"> - JavaScript access to C # code +</button> -</body> +Ii. Create a c#windows form appCode: Note that you need to add an accessibility setting for COM to the Form1 class [System.Runtime.InteropServices.ComVisible (True)]1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.ComponentModel;4 usingSystem.Data;5 usingSystem.Drawing;6 usingSystem.Linq;7 usingSystem.Text;8 usingSystem.Windows.Forms;9 Ten namespaceWinformjsdemo One { A //set COM to be externally accessible -[System.Runtime.InteropServices.ComVisible (true)] - Public Partial classForm1:form the { - PublicForm1 () - { - InitializeComponent (); +System.IO.FileInfo file =NewSystem.IO.FileInfo ("javascript//index.html"); - + //the page path displayed by the WebBrowser control AWebbrowser1.url =NewUri (file. FullName); at - //To set the current class to be accessible by script -Webbrowser1.objectforscripting = This; - } - - in //methods that are called by external JS - Public voidMymessagebox (stringmessage) to { + - MessageBox.Show (message); the } * $ Private voidButton1_Click (Objectsender, EventArgs e)Panax Notoginseng { - //Call the JavaScript MessageBox method and pass in the parameters the Object[] objects =New Object[1]; + Aobjects[0] ="C # access JavaScript scripts"; the +WebBrowser1.Document.InvokeScript ("MessageBox", objects); - } $ } $}Run Result: C # calls the JavaScript methodJavaScript calls the C # method:Reference: http://www.cnblogs.com/xds/archive/2007/03/02/661838.html
Examples of C # Windows program application interaction with JavaScript programs
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