HttpRequestOptions.IReadOnlyDictionary<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 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 -> bool
Function ContainsKey (key As String) As Boolean Implements IReadOnlyDictionary(Of String, Object).ContainsKey
Parameters
- key
- String
The key to locate.
Returns
true
if the read-only dictionary contains an element that has the specified key; otherwise, false
.
Implements
Applies to
Tee yhteistyötä kanssamme GitHubissa
Tämän sisällön lähde on GitHubissa, jossa voit myös luoda ja tarkastella ongelmia ja pull-pyyntöjä. Katso lisätietoja osallistujan oppaasta.