ExpressionServices.TryConvertReference<TResult> Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Converts a reference to a workflow environment-aware expression to an activity tree.
public:
generic <typename TResult>
static bool TryConvertReference(System::Linq::Expressions::Expression<Func<System::Activities::ActivityContext ^, TResult> ^> ^ expression, [Runtime::InteropServices::Out] System::Activities::Activity<System::Activities::Location<TResult> ^> ^ % result);
public static bool TryConvertReference<TResult> (System.Linq.Expressions.Expression<Func<System.Activities.ActivityContext,TResult>> expression, out System.Activities.Activity<System.Activities.Location<TResult>> result);
static member TryConvertReference : System.Linq.Expressions.Expression<Func<System.Activities.ActivityContext, 'Result>> * Activity -> bool
Public Shared Function TryConvertReference(Of TResult) (expression As Expression(Of Func(Of ActivityContext, TResult)), ByRef result As Activity(Of Location(Of TResult))) As Boolean
Type Parameters
- TResult
The type the expression is being converted to.
Parameters
- expression
- Expression<Func<ActivityContext,TResult>>
The expression being converted.
Returns
true
if the expression can be converted; otherwise, false
.
Remarks
The conversion methods in ExpressionServices are designed to work with variables and constants defined inside the workflow, or passed into the workflow via arguments.
Applies to
GitHub에서 Microsoft와 공동 작업
이 콘텐츠의 원본은 GitHub에서 찾을 수 있으며, 여기서 문제와 끌어오기 요청을 만들고 검토할 수도 있습니다. 자세한 내용은 참여자 가이드를 참조하세요.
.NET