UIViewController.LoadViewIfNeeded 方法

定義

命名空間:

UIKit

組件:

Xamarin.iOS.dll

如有必要，請從分鏡腳本或 NIB 同步載入 View 。

[Foundation.Export("loadViewIfNeeded")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 9, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual void LoadViewIfNeeded ();

abstract member LoadViewIfNeeded : unit -> unit
override this.LoadViewIfNeeded : unit -> unit

屬性

ExportAttribute IntroducedAttribute

備註

如果 UIViewController 具有相關聯的 Storyboard 或 NIB，這個方法可用來確保 View 物件已具現化。 (另請參閱 ViewIfLoaded)。

var newVC = UIStoryboard.FromName("Main", NSBundle.MainBundle).InstantiateInitialViewController();
if (newVC.ViewIfLoaded == null)
{
    //This call blocks until the View is instantiated
    newVC.LoadViewIfNeeded();
}

另請參閱

• IsViewLoaded
• ViewDidLoad()
• View