mono touch中，UISlider控件的使用

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using System;//using MonoTouch.UIKit;using MonoTouch.Foundation;using System.Drawing;namespace GCForum{public class MyTestVC :UIViewController{public MyTestVC (){}private UISlider _slider;public override void ViewDidLoad (){base.ViewDidLoad ();this.View.BackgroundColor = UIColor.White;UILabel lbl = chongqing.ControlCenter.CreateLbl (new RectangleF (10, 100, 150, 20), "");this.View.Add (lbl);_slider = new UISlider {Frame = new RectangleF(10,10,this.View.Frame.Width-20,50)};_slider.MinValue = 0.0f;_slider.MaxValue = 20.0f;_slider.SetValue (10.0f, false);lbl.Text = _slider.Value.ToString ();//注册VlueChange事件_slider.ValueChanged += (s,e) => {lbl.Text = _slider.Value.ToString ();};this.View.Add (_slider);}//...}}