Determines whether the
Generic IDictionary contains an element with the specified key.
Syntax
| Visual Basic (Declaration) | |
|---|
Public Overridable Function ContainsKey( _
ByVal key As TKey _
) As Boolean |
| Visual Basic (Usage) | Copy Code |
|---|
Dim instance As ThreadSafeDictionary(Of TKey,TValue)
Dim key As TKey
Dim value As Boolean
value = instance.ContainsKey(key)
|
| C# | |
|---|
public virtual bool ContainsKey(
TKey key
) |
| C++/CLI | |
|---|
public:
virtual bool ContainsKey(
TKey key
) |
Parameters
- key
- The key to locate in the Generic IDictionary.
Return Value
true if the
Generic IDictionary contains an element with the key; otherwise, false.
Exceptions
Requirements
Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family
See Also