HttpRequestOptions.IReadOnlyDictionary<String,Object>.ContainsKey Method
Definition
Important
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Determines whether the read-only dictionary contains an element that has the specified key.
virtual bool System.Collections.Generic.IReadOnlyDictionary<System.String,System.Object>.ContainsKey(System::String ^ key) = System::Collections::Generic::IReadOnlyDictionary<System::String ^, System::Object ^>::ContainsKey;bool IReadOnlyDictionary<string,object>.ContainsKey(string key);abstract member System.Collections.Generic.IReadOnlyDictionary<System.String,System.Object>.ContainsKey : string -> bool
override this.System.Collections.Generic.IReadOnlyDictionary<System.String,System.Object>.ContainsKey : string -> boolFunction ContainsKey (key As String) As Boolean Implements IReadOnlyDictionary(Of String, Object).ContainsKeyParameters
- key
- String
The key to locate.
Returns
true if the read-only dictionary contains an element that has the specified key; otherwise, false.
