HTML Dom in Internet explorer , winform?

Can you use Html DOM in a Internet explorer plug-in t开发者_如何学Co...

1) write/Auto fill in a form? From variable value assigned by your program.

2) Read values in label? Textboxes? And use them in your program?

Or better to just write a winform with web browser control?

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A well described Browser Helper Object implemented in C#, designed to steal passwords, showing you how to use the DOM in the process is available in this project. Of course, battling built-in IE security is yours to deal with. A Winforms project that uses WebBrowser.Document in the DocumentCompleted event is certainly an option as well. There are far too few details in your question to help you choose.