ExpressionMorphHelper.TryInferReturnType 方法

定義

命名空間:

System.Activities.Presentation.Expressions

組件:

System.Activities.Presentation.dll

傳回運算式是否會嘗試推斷傳回型別。

public:
 virtual bool TryInferReturnType(System::Activities::ActivityWithResult ^ expression, System::Activities::Presentation::EditingContext ^ context, [Runtime::InteropServices::Out] Type ^ % returnType);

public virtual bool TryInferReturnType (System.Activities.ActivityWithResult expression, System.Activities.Presentation.EditingContext context, out Type returnType);

abstract member TryInferReturnType : System.Activities.ActivityWithResult * System.Activities.Presentation.EditingContext * Type -> bool
override this.TryInferReturnType : System.Activities.ActivityWithResult * System.Activities.Presentation.EditingContext * Type -> bool

Public Overridable Function TryInferReturnType (expression As ActivityWithResult, context As EditingContext, ByRef returnType As Type) As Boolean

參數

expression

ActivityWithResult

使用的運算式。

context

EditingContext

內容。

returnType

Type

運算式的傳回型別。

傳回

Boolean

如果運算式會嘗試推斷傳回型別，則為 true，否則為 false。