You cannot resize or reposition a WebBrowser control window in Windows Internet Explorer 7

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INTRODUCTION

You cannot resize or reposition the WebBrowser control window in Windows Internet Explorer 7 when an application hosts a WebBrowser control. Additionally, the application may not receive the WM_WINDOWPOSCHANGING notification messages as expected. This behavior is a security enhancement in Internet Explorer 7.

MORE INFORMATION

This behavior occurs if the script on the WebBrowser control contains calls to any of the following methods:

window.moveTo
window.moveBy
window.resizeTo
window.resizeBy

A security change in Internet Explorer 7 prevents the WebBrowser control from spoofing the host application. Therefore, these methods do not work for applications that host the WebBrowser control.