[Mono-bugs] [Bug 570959] UISlider does not fire ValueChanged when the value is set via code

[bugzilla_noreply at novell.com]

http://bugzilla.novell.com/show_bug.cgi?id=570959

http://bugzilla.novell.com/show_bug.cgi?id=570959#c2


Manfred Pohler <Manfred at pp-p.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW
      Info Provider|Manfred at pp-p.net            |

--- Comment #2 from Manfred Pohler <Manfred at pp-p.net> 2010-02-20 06:59:46 UTC ---
(In reply to comment #1)
> Is this still happening? If so can you provide a test case please.

Yes it happens.
Create a project and add a class like this.
    public class VCTest : UIViewController {
        UIButton btN;
        UISlider slD;
        UILabel lbL;
        public override void ViewDidLoad() {
            base.ViewDidLoad();
            btN = UIButton.FromType(UIButtonType.RoundedRect);
            btN.Frame =  new RectangleF(10, 10, 200, 30);
            btN.SetTitle("Test", UIControlState.Normal);
            btN.TouchUpInside += delegate { slD.Value = 50; };
            slD=new UISlider(new RectangleF(10, 60, 300, 30));
            slD.MinValue = 0;
            slD.MaxValue = 100;
            slD.ValueChanged += delegate { lbL.Text = slD.Value.ToString(); };
            lbL= new UILabel(new RectangleF(10, 160, 100, 30));
            View.AddSubview(btN);
            View.AddSubview(slD);
            View.AddSubview(lbL);
        }
    }
Use this class as you view with
        public override bool FinishedLaunching (UIApplication app, NSDictionary
options) {
            window.AddSubview(new VCTest().View);
            window.MakeKeyAndVisible ();
            return true;
        }
Expected: the button should set the value and fire slD.ValueChanged
It does: the button changes the slider value - but it does NOT fire
slD.ValueChanged

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