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다음 UIActionSheet가 있습니다. 내 탐색 모음에 어떻게 추가합니까? 맨 오른쪽 버튼으로 사용하는 것이 가장 바람직합니다.MonoTouch - 내 ViewController의 상단 탐색 모음에 UIActionSheet 추가
var sheet = new UIActionSheet ("");
sheet.AddButton ("Discard Picture");
sheet.AddButton ("Pick New Picture");
sheet.AddButton ("Cancel");
sheet.CancelButtonIndex = 2;
// Dummy buttons to preserve the space for the UIImageView
for (int i = 0; i < 4; i++) {
sheet.AddButton("");
sheet.Subviews[i+4].Alpha = 0; // And of course it's better to hide them
}
var subView = new UIImageView();
subView.ContentMode = UIViewContentMode.ScaleAspectFill;
subView.Frame = new RectangleF(23,185,275,210);
// Late Steve Jobs loved rounded corners. Let's have some respect for him
subView.Layer.CornerRadius = 10;
subView.Layer.MasksToBounds = true;
subView.Layer.BorderColor = UIColor.Black.CGColor;
sheet.AddSubview(subView);
NavigationController.Add(sheet);