Windows 脚本编程核心技术精解 Chapter19.pdf

Chapter 19 Using the WebBrowser Control In This Chapter Discover the versatile WebBrowser control, and create your own dialog boxes using plain HTML templates Enumerate and access DHTML elements Link script procedures to DHTML buttons using GetRef, and bypass Internet Explorer security dialogs Control your WebBrowser form window through HTML commands Validate HTML form input, and color-code missing form fields Let your COM object respond to events fired by the WebBrowser control, and disable the context menu this way Use radio buttons and determine which radio button was selected Customize your HTML dialog container, change caption text, and disable sizing The WebBrowser control is the heart of Internet Explorer. It can display HTML documents and is a very versatile design element you can incorporate into your own dialog boxes. In this chapter, learn how to use the WebBrowser control to create fully configurable HTML-based custom dialog boxes and transfer the results back into your scripts. The WebBrowser Control: Mastering Real-World Tasks Microsoft has stuffed all kinds of controls into Windows, and while most s of them are busy working for the operating system, your scripts can access those components, too. One of the most versatile controls is the WebBrowser control. It works inside of any Internet Explorer window, and because Microsoft keeps expanding the role HTML plays, you’ll see this control in many Windows 2000 system dialog boxes, too. The WebBrowser control is actually a miniature Web browser. It contains everything necessary to load and display HTML content. 540 Part