NameScope.ContainsKey(String) Method
Definition
Important
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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 -> boolPublic Function ContainsKey (key As String) As BooleanParameters
- 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
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