GetFileDescription – Retrieving the description of a file from the registry

' Retrieves the description of a file from the registry' or a null string if the file's extension isn't registered' Example: Debug.WriteLine(GetFileDescription("D:"))Function GetFileDescription(ByVal filePath As String) As String    ' get the classname from the registry    Dim regKey As Microsoft.Win32.RegistryKey    Try        regKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey( New _            System.IO.FileInfo(filePath).Extension)        If Not regKey Is Nothing Then            ' read the file's class name            Dim className As String = regKey.GetValue("")            If className.Length > 0 Then                Dim regKey2 As Microsoft.Win32.RegistryKey                Try                    ' read the file type description                    regKey2 = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey _                        (className)                    Return regKey2.GetValue("")                Catch e As Exception                Finally                    If Not regKey2 Is Nothing Then regKey2.Close()                End Try            End If        End If    Catch e As Exception    Finally        If Not regKey Is Nothing Then regKey.Close()    End TryEnd Function

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