VNRectangleObservation.TopLeft 属性

定义

获取观察到的矩形的左上角 CGPoint

public virtual CoreGraphics.CGPoint TopLeft { [Foundation.Export("topLeft", ObjCRuntime.ArgumentSemantic.UnsafeUnretained)] get; }
member this.TopLeft : CoreGraphics.CGPoint

属性值

属性

适用于