Assuming you already have a reference to the
VConsoleProperties object:
String dialogType = (String)(properties.getProperty(VConsoleProperties.DIALOGTYPE));
if ((dialog.Type == VConsoleProperties.FRAME) {
JFrame frame =(JFrame)(properties.getPropertyObject(VConsoleProperties.FRAME);
...
} else if ((dialog.Type == VConsoleProperties.INTERNALFRAME) {
JDesktopPane p = (JDesktopPane)(properties.getPropertyObject(VConsoleProperties.DESKTOPPANE));
...
}