NSManagedObjectContext.CountForFetchRequest(NSFetchRequest, NSError) 方法

定义

返回运行后将返回的对象 request 数。

[Foundation.Export("countForFetchRequest:error:")]
public virtual nuint CountForFetchRequest (CoreData.NSFetchRequest request, out Foundation.NSError error);
abstract member CountForFetchRequest : CoreData.NSFetchRequest *  -> nuint
override this.CountForFetchRequest : CoreData.NSFetchRequest *  -> nuint

参数

request
NSFetchRequest
error
NSError

返回

System.System.UIntPtr System.unativeint
属性

适用于