C# (CSharp) MetadataStack.TryGetValue示例

示例#1

            public void ReturnsFalseForInvalidValue()
            {
                // Given
                MetadataDictionary initialMetadata = new MetadataDictionary {
                    ["A"] = "a"
                };
                MetadataStack metadata = new MetadataStack(initialMetadata);

                // When
                object value;
                bool   contains = metadata.TryGetValue("B", out value);

                // Then
                Assert.IsFalse(contains);
                Assert.AreEqual(null, value);
            }

示例#2

            public void ReturnsCorrectResultWithMetadataValue()
            {
                // Given
                MetadataDictionary initialMetadata = new MetadataDictionary
                {
                    ["A"] = new SimpleMetadataValue {
                        Value = "a"
                    }
                };
                MetadataStack metadata = new MetadataStack(initialMetadata);

                // When
                object value;
                bool   contains = metadata.TryGetValue("A", out value);

                // Then
                Assert.IsTrue(contains);
                Assert.AreEqual("a", value);
            }

示例#3

 public bool TryGetValue <T>(string key, out T value) => _metadata.TryGetValue <T>(key, out value);

示例#4

文件： Document.cs 项目： cederlof/Wyam

 public bool TryGetValue(string key, out object value) => _metadata.TryGetValue(key, out value);