#export(1) str(200) lsDXError()
#export(2) lvDXResetError()
#export(3) lvDXSetError(int,str,str,str)
#export(7) lvDXSetDbaseErrorNo(str,str,str,str)
#export(4) str lsDXRegInfo(int)
#export(8) bool lbDXRecordRead(int,str,str)
#export(6) bool lbDXNoRecordMayExist(int,str,str)
#export(9) bool lbDXRecordReadFirst(int,str,str,int,str)
#export(10) bool lbDXRecordReadNext(int,int,str)
