Beispiel #1
0
        public void UnicodePropTest()
        {
            // Set class first, or it will throw an exception.
            const int hvo      = 1;
            var       clidAnal = SilDataAccess.MetaDataCache.GetClassId("ClassE");

            SilDataAccess.SetInt(hvo, (int)CmObjectFields.kflidCmObject_Class, clidAnal);

            // Set its 'UnicodeProp4' property, using the 'BSTR' method.
            var          tag = SilDataAccess.MetaDataCache.GetFieldId("ClassE", "UnicodeProp4", false);
            const string ec  = "ZPI";

            SilDataAccess.set_UnicodeProp(hvo, tag, ec);
            var ec2 = SilDataAccess.get_UnicodeProp(hvo, tag);

            Assert.AreEqual(ec, ec2, "Wrong Unicode string in cache.");

            // Set its 'UnicodeProp4' property, using non-bstr method.
            const string ecNew = "ZPR";

            SilDataAccess.SetUnicode(hvo, tag, ecNew, ecNew.Length);
            int len;

            SilDataAccess.UnicodePropRgch(hvo, tag, null, 0, out len);
            Assert.AreEqual(ecNew.Length, len);
            using (var arrayPtr = MarshalEx.StringToNative(len + 1, true))
            {
                int cch;
                SilDataAccess.UnicodePropRgch(hvo, tag, arrayPtr, len + 1, out cch);
                var ecNew2 = MarshalEx.NativeToString(arrayPtr, cch, true);
                Assert.AreEqual(ecNew, ecNew2);
                Assert.AreEqual(ecNew2.Length, cch);
                Assert.IsTrue(SilDataAccess.IsDirty());
            }
        }