Determines whether the
ObjectSet contains elements that
match the conditions defined by the specified predicate.
Syntax
| Visual Basic (Declaration) | |
|---|
Public Function Exists( _
ByVal match As Predicate(Of T) _
) As Boolean |
| Visual Basic (Usage) | Copy Code |
|---|
Dim instance As ObjectSet(Of T)
Dim match As Predicate(Of T)
Dim value As Boolean
value = instance.Exists(match)
|
| C# | |
|---|
public bool Exists(
Predicate<T> match
) |
| Managed Extensions for C++ | |
|---|
public: bool Exists(
Predicate<T>* match
) |
| C++/CLI | |
|---|
public:
bool Exists(
Predicate<T>^ match
) |
Parameters
- match
- The Predicate delegate that defines the conditions of the elements to search for.
Return Value
true, if the
ObjectSet contains one or more
elements that match the conditions defined by the specified predicate; otherwise, false.
Exceptions
| Exception | Description |
| ArgumentNullException | Match is null. |
Requirements
Platforms: Windows 2000, Windows XP family, Windows Server 2003 family, Windows Vista family
See Also