GetFileDescriptionFromReg – Get a file’s description from the registry

' get the description of a file from the registry' or a null string if the file's extension isn't registered'' NOTE: requires the GetRegistrtValue functionFunction GetFileDescriptionFromReg(ByVal FileName As String) As String    Const HKEY_CLASSES_ROOT = &H80000000        Dim i As Integer    Dim ext As String    Dim classname As String        ' extract the file extension    i = InStr(FileName, ".")    If i = 0 Then        ' extension not found, let's try with the file itself        ext = "." & FileName    Else        ext = Mid$(FileName, i)    End If        ' get the classname from the registry    classname = GetRegistryValue(HKEY_CLASSES_ROOT, ext, "")    If Len(classname) Then        GetFileDescriptionFromReg = GetRegistryValue(HKEY_CLASSES_ROOT, _            classname, "")    End IfEnd Function

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