CodeExpressionCollection.Contains(CodeExpression) Método

Definição

Namespace:

System.CodeDom

Assembly:

System.CodeDom.dll

Pacote:

System.CodeDom v8.0.0

Origem:

CodeExpressionCollection.cs

Obtém um valor que indica se a coleção contém o objeto CodeExpression especificado.

public:
 bool Contains(System::CodeDom::CodeExpression ^ value);

public bool Contains (System.CodeDom.CodeExpression value);

member this.Contains : System.CodeDom.CodeExpression -> bool

Public Function Contains (value As CodeExpression) As Boolean

Parâmetros

value

CodeExpression

O objeto CodeExpression a ser localizado na coleção.

Retornos

Boolean

true se a coleção contiver o objeto especificado; caso contrário, false.

Exemplos

O exemplo a seguir usa o Contains método para pesquisar a presença de um objeto específico CodeExpression e obtém o valor de índice no qual ele foi encontrado.

// Tests for the presence of a CodeExpression in the 
// collection, and retrieves its index if it is found.
CodeExpression^ testComment = gcnew CodePrimitiveExpression( true );
int itemIndex = -1;
if ( collection->Contains( testComment ) )
   itemIndex = collection->IndexOf( testComment );

// Tests for the presence of a CodeExpression in the
// collection, and retrieves its index if it is found.
CodeExpression testComment = new CodePrimitiveExpression(true);
int itemIndex = -1;
if( collection.Contains( testComment ) )
    itemIndex = collection.IndexOf( testComment );

' Tests for the presence of a CodeExpression in the 
' collection, and retrieves its index if it is found.
Dim testComment = New CodePrimitiveExpression(True)
Dim itemIndex As Integer = -1
If collection.Contains(testComment) Then
    itemIndex = collection.IndexOf(testComment)
End If

Confira também

• IndexOf(CodeExpression)