INSPredicateValidating.VisitPredicate(NSPredicate, NSError) 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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Validates whether the specified predicate is allowed to be evaluated.

[Foundation.Export("visitPredicate:error:")]
[Foundation.OptionalMember]
[ObjCRuntime.BindingImpl(ObjCRuntime.BindingImplOptions.GeneratedCode | ObjCRuntime.BindingImplOptions.Optimizable)]
public virtual bool VisitPredicate(Foundation.NSPredicate predicate, out Foundation.NSError? error);

[<Foundation.Export("visitPredicate:error:")>]
[<Foundation.OptionalMember>]
[<ObjCRuntime.BindingImpl(ObjCRuntime.BindingImplOptions.GeneratedCode | ObjCRuntime.BindingImplOptions.Optimizable)>]
abstract member VisitPredicate : Foundation.NSPredicate * NSError -> bool
override this.VisitPredicate : Foundation.NSPredicate * NSError -> bool

Parameters

predicate: NSPredicate

The NSPredicate to validate.

error: NSError

When this method returns false, contains an NSError describing why the predicate was rejected; otherwise, null.

Returns

Boolean

true if the predicate is valid and allowed; otherwise, false.

Attributes: ExportAttribute OptionalMemberAttribute BindingImplAttribute

Applies to