HttpRequestOptions.IDictionary<String,Object>.ContainsKey Method
Definition
Important
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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 -> boolFunction ContainsKey (key As String) As Boolean Implements IDictionary(Of String, Object).ContainsKeyParameters
- 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
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