initializeApp();
TextPropertyDescriptor tpd = new TextPropertyDescriptor(StringConstants.APP_N, StringConstants.APP_N);
tpd.setCategory(StringConstants.CAT_BASIC);
tpd.setDescription(MusicMessages.MEI_documentation_generic_n);
descriptors.add(tpd);
SourceComboPropertyDescriptor scpd = new SourceComboPropertyDescriptor(StringConstants.APP_SOURCES_SELECTOR,
StringConstants.APP_SOURCES_SELECTOR);
scpd.setCategory(this.toString());
scpd.setDescription(MusicMessages.MEI_documentation_app_select);
descriptors.add(scpd);
}