IApp.CheckExpressionAsync(T) Method (AsyncHandle, Func(Response, T), String, IEnumerable(String))

IAppCheckExpressionAsyncT Method (AsyncHandle, FuncResponse, T, String, IEnumerableString)

Checks if a given expression is valid.

Namespace: Qlik.Engine
Assembly: Qlik.Engine (in Qlik.Engine.dll) Version: 2.1.0.0+Build:7.origin/release/ms13

Syntax

Task<T> CheckExpressionAsync<T>(
	AsyncHandle asyncHandle,
	Func<Response, T> onResult,
	string expr,
	IEnumerable<string> labels = null
)

Function CheckExpressionAsync(Of T) ( 
	asyncHandle As AsyncHandle,
	onResult As Func(Of Response, T),
	expr As String,
	Optional labels As IEnumerable(Of String) = Nothing
) As Task(Of T)

Parameters

asyncHandle: Type: Qlik.EngineAsyncHandle
Handle to asynchronous method request
onResult: Type: SystemFuncResponse, T
Continuation function
expr: Type: SystemString
Expression to check.
labels (Optional): Type: System.Collections.GenericIEnumerableString
List of labels. This parameter is optional.

Type Parameters

T

Return Value

Type: TaskT

Reference

IApp Interface

CheckExpressionAsync Overload

Qlik.Engine Namespace