public void Update(int index, IView child)
{
_ = NativeView ?? throw new InvalidOperationException($"{nameof(NativeView)} should have been set by base class.");
_ = VirtualView ?? throw new InvalidOperationException($"{nameof(VirtualView)} should have been set by base class.");
_ = MauiContext ?? throw new InvalidOperationException($"{nameof(MauiContext)} should have been set by base class.");
var existing = NativeView.Subviews[index];
existing.RemoveFromSuperview();
NativeView.InsertSubview(child.ToNative(MauiContext), index);
NativeView.SetNeedsLayout();
}
public void Update(int index, IView child)
{
_ = PlatformView ?? throw new InvalidOperationException($"{nameof(PlatformView)} should have been set by base class.");
_ = VirtualView ?? throw new InvalidOperationException($"{nameof(VirtualView)} should have been set by base class.");
_ = MauiContext ?? throw new InvalidOperationException($"{nameof(MauiContext)} should have been set by base class.");
var existing = PlatformView.Subviews[index];
existing.RemoveFromSuperview();
var targetIndex = VirtualView.GetLayoutHandlerIndex(child);
PlatformView.InsertSubview(child.ToPlatform(MauiContext), targetIndex);
PlatformView.SetNeedsLayout();
}
/// <summary>
/// Invalidates the layout of the selected view. For iOS, calls the SetNeedsLayout method.
/// </summary>
/// <param name="view">The view to invalidate.</param>
public static void InvalidateMeasure(this _View view)
{
view.SetNeedsLayout();
}
