When, in your Delphi application, you are using the TWebBrowser control to open Word (Excel) document for preview and/or print - if your application is running on Vista with Office 2007 installed you might experience weird behaviors.
By default, when you try to navigate to and open a Microsoft Office Word 2007 document, (Excel or PowerPoint) in the TWebBrowser control (embedded IE), the document may not open in the "same window" - instead a new Word 2007 (Excel 2007, PowerPoint 2007) window opens to display the document.
Forcing "Browse in the same IE window"
In Office 2003 the default behavior was to open a document in the same (IE) window - in Office 2007 the default is to open the document in a new/separate window.In order to get the document open inside the web browser control you will need to alter a few registry entries on the client machine.
Work 2007:
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Word.Document.8]
"BrowserFlags"=dword:80000024
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Word.Document.12]
"BrowserFlags"=dword:80000024
Excel 2007:
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Excel.Sheet.8]
"BrowserFlags"=dword:80000A00
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Excel.Sheet.12]
"BrowserFlags"=dword:80000A00
Of course, you can modify the registry programmatically using Delphi code.
Note that this is a "hack" and this Internet Explorer feature may not exist in future operating systems that are later than Windows Vista.
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