MessageProperties.ICollection<KeyValuePair<String,Object>>.Contains 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
判斷 MessageProperties 是否包含特定名稱。
virtual bool System.Collections.Generic.ICollection<System.Collections.Generic.KeyValuePair<System.String,System.Object>>.Contains(System::Collections::Generic::KeyValuePair<System::String ^, System::Object ^> pair) = System::Collections::Generic::ICollection<System::Collections::Generic::KeyValuePair<System::String ^, System::Object ^>>::Contains;
bool ICollection<KeyValuePair<string,object>>.Contains (System.Collections.Generic.KeyValuePair<string,object> pair);
abstract member System.Collections.Generic.ICollection<System.Collections.Generic.KeyValuePair<System.String,System.Object>>.Contains : System.Collections.Generic.KeyValuePair<string, obj> -> bool
override this.System.Collections.Generic.ICollection<System.Collections.Generic.KeyValuePair<System.String,System.Object>>.Contains : System.Collections.Generic.KeyValuePair<string, obj> -> bool
Function Contains (pair As KeyValuePair(Of String, Object)) As Boolean Implements ICollection(Of KeyValuePair(Of String, Object)).Contains
參數
- pair
- KeyValuePair<String,Object>
索引鍵/值組,其包含要在 MessageProperties 中尋找之項目的名稱和值。
傳回
如果 true
包含在指定 MessageProperties 中具有名稱和值的項目,則為 pair
,否則為 false
。