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NameScope.ContainsKey(String) Method

Definition

Returns whether a provided name already exists in this NameScope.

public:
 virtual bool ContainsKey(System::String ^ key);
public bool ContainsKey (string key);
abstract member ContainsKey : string -> bool
override this.ContainsKey : string -> bool
Public Function ContainsKey (key As String) As Boolean

Parameters

key
String

The string key to find.

Returns

true if the specified key identifies a name for an existing mapping in this NameScope. false if the specified key does not exist in the current NameScope.

Implements

Exceptions

key is null.

Remarks

Names in a XAML namescope must use a particular grammar that restricts the strings you might use for inputs of NameScope API. See XamlName Grammar.

Applies to