Thursday, September 13, 2012

Association of file extensions in the registry

HKCR\.ext  def. value refers to a HKCR\Appl.DocType
which could have key  CurVer which refers to Appl.DocType.version

In this case look for HKCR\Appl.DocType.version

To let the ShellExecute() system call find the associated executable when called with the document name, the following key should exist and be valid:
HKEY_CLASSES_ROOT\Appl.DocType[.version]\Shell\Open

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