Condividi tramite

ICompiledExpressionRoot.CanExecuteExpression Metodo

  • Riferimento

Definizione

Spazio dei nomi:
System.Activities.XamlIntegration
Assembly:
System.Activities.dll

Indica se ICompiledExpressionRoot può eseguire un'espressione.

public:
 bool CanExecuteExpression(System::String ^ expressionText, bool isReference, System::Collections::Generic::IList<System::Activities::LocationReference ^> ^ locations, [Runtime::InteropServices::Out] int % expressionId);
public bool CanExecuteExpression (string expressionText, bool isReference, System.Collections.Generic.IList<System.Activities.LocationReference> locations, out int expressionId);
abstract member CanExecuteExpression : string * bool * System.Collections.Generic.IList<System.Activities.LocationReference> * int -> bool
Public Function CanExecuteExpression (expressionText As String, isReference As Boolean, locations As IList(Of LocationReference), ByRef expressionId As Integer) As Boolean

Parametri

expressionText
String

Testo dell'espressione da utilizzare.

isReference
Boolean

true in caso di riferimento; in caso contrario, false.

locations
IList<LocationReference>

Raccolta di posizioni.

expressionId
Int32

Identificatore dell'espressione.

Restituisce

Boolean

true se ICompiledExpressionRoot può eseguire l'espressione; in caso contrario, false.

Si applica a