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Editorial Team
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Asked: 2026-05-28T14:05:33+00:00

I am trying to open a *.cab file (as used by a Microsoft Installer)

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I am trying to open a *.cab file (as used by a Microsoft Installer) using

  String cabFileName = @"C:\Programme und Einstellungen\somefolder\mycab.cab";
  CabInfo cab = new CabInfo(cabFileName);

The class CabInfo is part of the Windows Installer XML (WiX) toolset (cf. http://codesupport.wordpress.com/tag/microsoft-deployment-compression-cab-dll/)

However, CabInfo won’t accept a file path containing white spaces, even if it’s correctly escaped as shown above.

I was wondering whether there is a possibility to pass a file name containing white spaces to the CabInfo.

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1 Answer

  1. Editorial Team

    I almost hate to suggest this, but have you tried with the 8.3 compatibility filename? Eg:

    CabInfo cab = new CabInfo(@"C:\PROGRA~1\somefolder\mycab.cab");

    Unfortunately, if this mechanism works, I don’t think there’s a ShortName property on FileInfo. I think you’ll need to PInvoke the GetShortPathName function in kernel32.dll.

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