Exemplos de SynchronizedRangeObservableCollection.ActiveAny em C# (CSharp)

Exemplo n.º 1

        public void SourceManipulation()
        {
            var numbers = new SynchronizedRangeObservableCollection <int>(Enumerable.Range(1, 10).Select(i => i * 3));

            using var query = numbers.ActiveAny(i => i % 3 != 0);
            Assert.IsNull(query.OperationFault);
            Assert.IsFalse(query.Value);
            numbers[0] = 2;
            Assert.IsTrue(query.Value);
            numbers.RemoveAt(0);
            Assert.IsFalse(query.Value);
            --numbers[0];
            Assert.IsTrue(query.Value);
            numbers.Clear();
            Assert.IsFalse(query.Value);
            numbers.Add(7);
            Assert.IsTrue(query.Value);
        }