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InitialValueExpressionCollection.HasKey(String) Method

Definition

Returns a value that indicates whether the collection contains the specified key.

public:
 virtual bool HasKey(Platform::String ^ key) = IMap<Platform::String ^, Platform::String ^>::HasKey;
bool HasKey(winrt::hstring const& key);
public bool HasKey(string key);
function hasKey(key)
Public Function HasKey (key As String) As Boolean

Parameters

key
String

Platform::String

winrt::hstring

The key to check for.

Returns

Boolean

bool

true if the key is in the collection; otherwise, false.

Implements

Applies to