ReadOnlyDictionary<TKey, TValue>.ContainsKey method
Determines whether this dictionary contains the specified dictionary key.
Namespace: Microsoft.SharePoint.Taxonomy.Generic
Assembly: Microsoft.SharePoint.Taxonomy (in Microsoft.SharePoint.Taxonomy.dll)
Syntax
'Declaration
Public Function ContainsKey ( _
key As TKey _
) As Boolean
'Usage
Dim instance As ReadOnlyDictionary
Dim key As TKey
Dim returnValue As Boolean
returnValue = instance.ContainsKey(key)
public bool ContainsKey(
TKey key
)
Parameters
key
Type: TKeyThe key to locate in the dictionary
Return value
Type: System.Boolean
true if the current ReadOnlyDictionary object contains the key; otherwise, false
Implements
IDictionary<TKey, TValue>.ContainsKey(TKey)
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | key is a a null reference (Nothing in Visual Basic) reference |
See also
Reference
ReadOnlyDictionary<TKey, TValue> class