NSPredicate.AllowEvaluation Method

Definition

Namespace:: Foundation

Assembly:: Microsoft.iOS.dll

Assembly:: Microsoft.MacCatalyst.dll

Assembly:: Microsoft.macOS.dll

Assembly:: Microsoft.tvOS.dll

Important

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Overloads

Name	Description
AllowEvaluation()
AllowEvaluation(INSPredicateValidating, NSError)	Validates this predicate using the specified validator and, if valid, allows it to be evaluated.

AllowEvaluation()

[Foundation.Export("allowEvaluation")]
[ObjCRuntime.BindingImpl(ObjCRuntime.BindingImplOptions.GeneratedCode | ObjCRuntime.BindingImplOptions.Optimizable)]
public virtual void AllowEvaluation();

[<Foundation.Export("allowEvaluation")>]
[<ObjCRuntime.BindingImpl(ObjCRuntime.BindingImplOptions.GeneratedCode | ObjCRuntime.BindingImplOptions.Optimizable)>]
abstract member AllowEvaluation : unit -> unit
override this.AllowEvaluation : unit -> unit

Attributes: ExportAttribute BindingImplAttribute

Applies to

AllowEvaluation(INSPredicateValidating, NSError)

Validates this predicate using the specified validator and, if valid, allows it to be evaluated.

[Foundation.Export("allowEvaluationWithValidator:error:")]
[ObjCRuntime.BindingImpl(ObjCRuntime.BindingImplOptions.GeneratedCode | ObjCRuntime.BindingImplOptions.Optimizable)]
public virtual bool AllowEvaluation(Foundation.INSPredicateValidating validator, out Foundation.NSError? error);

[<Foundation.Export("allowEvaluationWithValidator:error:")>]
[<ObjCRuntime.BindingImpl(ObjCRuntime.BindingImplOptions.GeneratedCode | ObjCRuntime.BindingImplOptions.Optimizable)>]
abstract member AllowEvaluation : Foundation.INSPredicateValidating * NSError -> bool
override this.AllowEvaluation : Foundation.INSPredicateValidating * NSError -> bool

Parameters

validator: INSPredicateValidating

The INSPredicateValidating object used to validate the predicate before allowing evaluation.

error: NSError

When this method returns false, contains an NSError describing the validation failure; otherwise, null.

Returns

Boolean

true if the predicate passed validation and is now allowed to be evaluated; otherwise, false.

Attributes: ExportAttribute BindingImplAttribute

Applies to