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This article introduces the knowledge of "what should be prepared in the early stage of C# browser development". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The creation of C# browser I. introduction

As we all know, the popular web browsers such as Mozilla FireFox and MyIE2 have multi-page browsing function. Every time a new page is opened, a new tab page is automatically generated, and the closing of the page is also very easy.

This design idea makes the user's desktop very simple when browsing multiple web pages, and avoids the trouble of waiting for a single page to be displayed. Because these browsers generally support multiple file formats, it is also extremely convenient when browsing multiple files on the local machine.

The Construction of C# browser II. Analysis of key Technologies

The key to solving the problem lies in programming the NewWindow2 event of the browser control WebBrowser. The NewWindow2 event is activated when a new window is generated when a file needs to be displayed.

Note that this event occurs before a new window for the WebBrowser control is generated. For example, this event occurs in response to navigating to a new window or a script-controlled window.open method. To declare that our own browser program will be used when a new window is opened, the parameter ppDisp should be set to the Application object. At this point, if you select "Open in a new window", a new window is generated to display the Web page.

You can also set RegisterAsBrowser to TRUE, which will cause the newly generated WebBrowser control to participate in window naming conflicts. For example, if the name of a window is used in another part of the script, the control is used instead of generating a new window. because the control checks all existing window names before opening a new window to avoid naming conflicts.

In response to this event, we dynamically create a tab page and generate a WebBrowser control as its child control by calling the CreateNewWebBrowser () method-- where each child control has a tag property that contains information about the control.

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