ICompiledExpressionRoot.CanExecuteExpression Methode

Definition

Namespace:

System.Activities.XamlIntegration

Assembly:

System.Activities.dll

Gibt an, ob ICompiledExpressionRoot den Ausdruck ausführen kann.

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

Parameter

expressionText

String

Der verwendete Text des Ausdrucks.

isReference

Boolean

true wenn Verweis; andernfalls false.

locations

IList<LocationReference>

Eine Auflistung von Speicherorten.

expressionId

Int32

Die Ausdrucks-ID.

Gibt zurück

Boolean

true, wenn der ICompiledExpressionRoot den Ausdruck ausführen kann; andernfalls false.