C# UIButton.Title方法代码示例

        private void KeepMe()
        {
           // UIButon
            var btn = new UIButton();
            var title = btn.Title(UIControlState.Disabled);
            btn.SetTitle("foo", UIControlState.Disabled);
            btn.TitleLabel.Text = btn.TitleLabel.Text;
            

            
            // UISlider
            var slider = new UISlider();
            slider.Value = slider.Value; // Get and set
            

            // UITextView
            var tv = new UITextView();
            tv.Text = tv.Text;

            // UITextField
            var tf = new UITextField();
            tv.Text = tf.Text;
            
            // var UIImageView
            var iv = new UIImageView();
            iv.Image = iv.Image;

            // UI Label
            var lbl = new UILabel();
            lbl.Text = lbl.Text;

            // UI Control
            var ctl = new UIControl();
            ctl.Enabled = ctl.Enabled;
            ctl.Selected = ctl.Selected;

            EventHandler eh = (s, e) => { };
            ctl.TouchUpInside += eh;
            ctl.TouchUpInside -= eh;

            // UIRefreshControl
            var rc = new UIRefreshControl();
            rc.ValueChanged += eh;
            rc.ValueChanged -= eh;

            // UIBarButtonItem
            var bbi = new UIBarButtonItem();
            bbi.Clicked += eh;
            bbi.Clicked -= eh;

            eh.Invoke(null, null);

        }

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();
            // Perform any additional setup after loading the view, typically from a nib.

            var handler = new DoActionSheetHandler(Console.WriteLine);

            var button = new UIButton(UIButtonType.System);
            button.Title(UIControlState.Normal);

            var buttons = new UIButton[] {
                button
            };

            var sheet = new DoActionSheet();
            sheet.ShowC("Cancel", buttons, handler);
        }

 public void Include(UIButton uiButton)
 {
     uiButton.TouchUpInside += (s, e) =>
                               uiButton.SetTitle(uiButton.Title(UIControlState.Normal), UIControlState.Normal);
 }

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();
	
			AnimateView animateView = new AnimateView();

			//TODO: more info at: http://www.youtube.com/watch?v=6JePwHjVj6U

			//MODAL PRESENTATION OF UIVIEW CONTROLLER--------------------------------------------------
			//PRESENTATION STLYE IS FORM SHEET
			btnTest.TouchUpInside += (object sender, EventArgs e) => 
			{
				AnimateModalViewController animateModalViewController = new AnimateModalViewController()
				{
					ModalTransitionStyle = UIModalTransitionStyle.CoverVertical,
					ModalPresentationStyle = UIModalPresentationStyle.FormSheet,
				};
				this.NavigationController.PresentViewController(animateModalViewController,true,null);
			};
			//-----------------------------------------------------------------------------------------

			//UIViewAnimation-----------------------------------------------------------------------------
			//RECTANGLE ANIMATION (GO LEFT AND RETURN TO STARTING POINT 
			PointF p0;
			UIView view = new UIView();
			view.Frame = new RectangleF(20,20,200,200);
			view.BackgroundColor = UIColor.Green;

			this.View.Add(view);
			btnCoreAnimation.TouchUpInside += (object sender, EventArgs e) => 
			{
				p0 = view.Center;

				UIView.Animate(2,0,
				               UIViewAnimationOptions.CurveEaseInOut | UIViewAnimationOptions.Autoreverse,
				               () => 
				               {
									view.Center = 
												new PointF(
															UIScreen.MainScreen.Bounds.Right - view.Frame.Width /2,
															view.Center.Y
															);
							   },
							   () => { view.Center = p0;}
								);

			};

			//UIView ANIMATION (FADE IN FROM THE CENTER OF THE SCREEN)---------------------------------------------
			PointF p1;
			UIView view1 = new UIView();
			view1.Frame = new RectangleF(this.View.Center.X,this.View.Center.Y,0,0);
			view1.BackgroundColor = UIColor.Gray;

			//DISMISS BUTTON FOR VIEW1
			UIButton btnDismissView1 = new UIButton(UIButtonType.RoundedRect);
			btnDismissView1.Frame = new RectangleF(318,687,133,44);
			btnDismissView1.Title(UIControlState.Normal);
			btnDismissView1.SetTitle("Dismiss View1",UIControlState.Normal);

			//DISMISS VIEW1
			btnDismissView1.TouchUpInside += (object sender, EventArgs e) => 
			{
				UIView.Animate(2,0,UIViewAnimationOptions.BeginFromCurrentState | UIViewAnimationOptions.CurveEaseIn,
				               () => 
				               {
									btnDismissView1.RemoveFromSuperview();
									view1.Frame = new RectangleF(this.View.Center.X,this.View.Center.Y,0,0);
								},
				() =>{view1.RemoveFromSuperview();}
				);

			};

			//ADD VIEW1 AS SUBVIEW TO this.View
			btnFadeInView.TouchUpInside += (object sender, EventArgs e) => 
			{
			
				this.View.Add(view1);

				p1 = view1.Center;

				UIView.Animate(2,0,UIViewAnimationOptions.BeginFromCurrentState | UIViewAnimationOptions.CurveEaseIn,
				               () => 
				               {
									view1.Frame = new RectangleF(0,0,768,960);
								},
								() => {view1.Add(btnDismissView1);}	//EMPTY, COULD BE USED FOR ACTION UPON COMPLETITION OF ANIMATION
								);
			};
			//---------------------------------------------------------------------------------------------


			//iOS built-in animations----------------------------------------------------------------------
			btnCrossDissolve.TouchUpInside += (object sender, EventArgs e) => 
			{
				this.NavigationController.PushControllerWithTransition(animateView, 
				                                                       UIViewAnimationOptions.TransitionCrossDissolve);
			};

//.........这里部分代码省略.........

	public void _buttonInput( UIButton button ){
		MMNumberKeyboardButton keyboardButton = MMNumberKeyboardButton.None;
			//https://github.com/xamarin/monotouch-samples/blob/master/AppPrefs/Settings.cs
		//NSArray.FromArray<NSDictionary> (
		//	foreach (KeyValuePair<NSObject,NSObject> t in this.buttonDictionary.GetEnumerator<KeyValuePair<NSObject,NSObject>>()) {
		//foreach (var t in this.buttonDictionary.GetEnumerator()) {
		//	this.buttonDictionary.
		//foreach (var item  in NSArray.FromArray<NSDictionary> (this.buttonDictionary.GetEnumerator)) {
		for (nuint i = 0 ; i < this.buttonDictionary.Count; i++) {
			//id key, id obj, BOOL *stop
			NSObject key = this.buttonDictionary.Keys[i];
			NSObject obj = this.buttonDictionary.Values[i];
			
			MMNumberKeyboardButton k = (MMNumberKeyboardButton)Enum.Parse( typeof(MMNumberKeyboardButton), key.ToString());
			if (button == obj) {
			keyboardButton = k;
			//stop = true;
					break;
			}
		}

		if (keyboardButton == MMNumberKeyboardButton.None) {
			return;
		}

		// Get first responder.
		IUIKeyInput keyInput = this.keyInput;
		MMNumberKeyboardDelegate Delegate = this.Delegate;

			if (!(keyInput!=null)) {
			return;
		}

		// Handle number.
		/*const*/ MMNumberKeyboardButton numberMin = MMNumberKeyboardButton.NumberMin;
		/*const*/ MMNumberKeyboardButton numberMax = MMNumberKeyboardButton.NumberMax;

		if (keyboardButton >= numberMin && keyboardButton < numberMax) {
				NSNumber number = NSNumber.FromNInt(keyboardButton - numberMin);
			string @string = number.ToString();

			if (Delegate.RespondsToSelector(new Selector ("numberKeyboard:shouldAddText:"))) {
				//bool  shouldAdd = Delegate.numberKeyboard(this ,/*shouldAddText*/ @string);
				//bool  shouldAdd = Delegate.Invoke("numberKeyboard", new [] {this ,/*shouldAddText*/ @string});
				bool  shouldAdd = (bool) Delegate.Invoke("numberKeyboard", this ,/*shouldAddText*/ @string);
				if (!shouldAdd) {
				return;
				}
				}

				keyInput.InsertText(@string);
			}

			// Handle backspace.
			else if (keyboardButton == MMNumberKeyboardButton.Backspace) {
				keyInput.DeleteBackward();
			}

			// Handle done.
			else if (keyboardButton == MMNumberKeyboardButton.Done) {
			bool  shouldReturn = true;

			if (Delegate.RespondsToSelector(new Selector ("numberKeyboardShouldReturn*/ "))) {
				shouldReturn = (bool) Delegate.Invoke("numberKeyboardShouldReturn", this);
			}

			if (shouldReturn) {
			this._dismissKeyboard(button);
			}
			}

			// Handle special key.
			else if (keyboardButton == MMNumberKeyboardButton.Special) {
			Action handler = this.specialKeyHandler;
			if (handler!=null) {
			handler();
			}
			}

			// Handle .
			else if (keyboardButton == MMNumberKeyboardButton.DecimalPoint) {
			string decimalText = button.Title(UIControlState.Normal);
			if (Delegate.RespondsToSelector(new Selector ("numberKeyboard:shouldAddText:"))) {
					bool  shouldAdd = (bool) Delegate.Invoke("numberKeyboard", new object[] {this ,/*shouldAddText*/ decimalText});
			if (!shouldAdd) {
			return;
			}
			}

			keyInput.InsertText(decimalText);
		}
	}