sources.appendNode("ClCompile", [Include: toPath(it)])
    }

    def addResource(File it) {
        def resources = xml.ItemGroup.find({ it.'@Label' == 'References' }) as Node
        resources.appendNode("ResourceCompile", [Include: toPath(it)])
    }

    def addHeaderFile(File it) {
        def headers = xml.ItemGroup.find({ it.'@Label' == 'Headers' }) as Node
        headers.appendNode("ClInclude", [Include: toPath(it)])
    }

        def sources = itemGroup('Sources').ClCompile
        return normalise(sources*.'@Include')
    }

    List<String> getResourceFiles() {
        def sources = itemGroup('References').ResourceCompile
        return normalise(sources*.'@Include')
    }

    List<String> getHeaderFiles() {
        def sources = itemGroup('Headers').ClInclude
        return normalise(sources*.'@Include')
    }