HttpRequestOptions.IDictionary<String,Object>.ContainsKey Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Determines whether the IDictionary<TKey,TValue> contains an element with the specified key.
virtual bool System.Collections.Generic.IDictionary<System.String,System.Object>.ContainsKey(System::String ^ key) = System::Collections::Generic::IDictionary<System::String ^, System::Object ^>::ContainsKey;
bool IDictionary<string,object>.ContainsKey (string key);
abstract member System.Collections.Generic.IDictionary<System.String,System.Object>.ContainsKey : string -> bool
override this.System.Collections.Generic.IDictionary<System.String,System.Object>.ContainsKey : string -> bool
Function ContainsKey (key As String) As Boolean Implements IDictionary(Of String, Object).ContainsKey
Parameters
- key
- String
The key to locate in the IDictionary<TKey,TValue>.
Returns
true
if the IDictionary<TKey,TValue> contains an element with the key; otherwise, false
.
Implements
Remarks
This member is an explicit interface member implementation. It can be used only when the HttpRequestOptions instance is cast to an IDictionary<TKey,TValue> interface.
Applies to
Feedback
https://aka.ms/ContentUserFeedback.
În curând: Pe parcursul anului 2024, vom elimina treptat Probleme legate de GitHub ca mecanism de feedback pentru conținut și îl vom înlocui cu un nou sistem de feedback. Pentru mai multe informații, consultați:Trimiteți și vizualizați feedback pentru