This function finds the class of an Echoview region object using COM scripting.
Examples
if (FALSE) {
EVAppObj <- COMCreate('EchoviewCom.EvApplication')
EVFile <- EVOpenFile(EVAppObj,'~~/KAOS/KAOStemplate.EV')$EVFile
ev.region <- EVFindRegionByName(EVFile, "Region1")
EVFindRegionClass(ev.region)
}