ICompiledExpressionRoot.CanExecuteExpression Metode

Definisi

Ruang nama:

System.Activities.XamlIntegration

Rakitan:

System.Activities.dll

Menunjukkan apakah ICompiledExpressionRoot dapat menjalankan ekspresi.

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

Teks ekspresi yang digunakan.

isReference

Boolean

true jika referensi; jika tidak, false.

locations

IList<LocationReference>

Kumpulan lokasi.

expressionId

Int32

Pengidentifikasi ekspresi.

Mengembalikan

Boolean

trueICompiledExpressionRoot jika dapat mengeksekusi ekspresi; jika tidak, false.