public void GetCurrentTaxDocument()
        {
            IAppTaxDocument LDoc;

            Assert.IsTrue(FClientFile.GetCurrentTaxDocument(out LDoc));
            Assert.IsNotNull(LDoc);
            LDoc.GetCurrentReturnId();
        }
        public void GetTaxDocument()
        {
            var             LDocIndex = FClientFile.GetCurrentDocIndex();
            IAppTaxDocument LDoc;

            Assert.IsTrue(FClientFile.GetTaxDocument(LDocIndex, out LDoc));
            Assert.IsNotNull(LDoc);
            LDoc.GetCurrentReturnId();
        }