C# UIButton.SetTitle方法代码示例

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            View.BackgroundColor = Theme.PrimaryNavigationBarColor;

            var welcomeViewController = new WelcomeViewController();
            welcomeViewController.WantsToDimiss += OnWantsToDismiss;

            var pages = new UIViewController[]
            { 
                new CardPageViewController(new AboutViewController()),
                new CardPageViewController(new PromoteView()),
                new CardPageViewController(new GoProViewController()),
                new CardPageViewController(new FeedbackViewController()),
                new CardPageViewController(welcomeViewController),
            };

            var welcomePageViewController = new UIPageViewController(UIPageViewControllerTransitionStyle.Scroll, UIPageViewControllerNavigationOrientation.Horizontal);
            welcomePageViewController.DataSource = new PageDataSource(pages);
            welcomePageViewController.SetViewControllers(new [] { pages[0] }, UIPageViewControllerNavigationDirection.Forward, true, null);
            welcomePageViewController.View.Frame = new CoreGraphics.CGRect(0, 0, View.Frame.Width, View.Frame.Height);
            welcomePageViewController.View.AutoresizingMask = UIViewAutoresizing.All;
            AddChildViewController(welcomePageViewController);
            Add(welcomePageViewController.View);

            var nextButton = new UIButton(UIButtonType.Custom);
            nextButton.SetTitle("Next", UIControlState.Normal);
            nextButton.TintColor = UIColor.White;
            nextButton.TitleLabel.Font = UIFont.SystemFontOfSize(14f);
            nextButton.Frame = new CoreGraphics.CGRect(View.Frame.Width - 50f, View.Frame.Height - 28f, 40f, 20f);
            nextButton.AutoresizingMask = UIViewAutoresizing.FlexibleLeftMargin | UIViewAutoresizing.FlexibleTopMargin;
            Add(nextButton);

            var transitionAction = new Action<UIViewController>(e => {
                var isLast = pages.Last() == e;
                //nextButton.Enabled = !isLast;
                UIView.Transition(nextButton, 0.25f, UIViewAnimationOptions.TransitionCrossDissolve, 
                    () => nextButton.SetTitle(isLast ? "Done" : "Next", UIControlState.Normal), null);
            });

            welcomePageViewController.WillTransition += (sender, e) => transitionAction(e.PendingViewControllers[0]);

            nextButton.TouchUpInside += (sender, e) => {
                var currentViewController = welcomePageViewController.ViewControllers[0];
                var nextViewController = welcomePageViewController.DataSource.GetNextViewController(welcomePageViewController, currentViewController);
                if (nextViewController != null)
                {
                    transitionAction(nextViewController);
                    welcomePageViewController.SetViewControllers(new [] { nextViewController }, UIPageViewControllerNavigationDirection.Forward, true, null);
                }
                else
                {
                    OnWantsToDismiss();
                }
            };
        }

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            View.BackgroundColor = UIColor.White;

            var gameNameLabel = new UILabel(new RectangleF(10, 80, View.Frame.Width - 20, 20));
            gameNameLabel.Text = "Spartakiade Quiz";

            View.AddSubview(gameNameLabel);

            var playname = new UITextView(new RectangleF(10, 110, View.Frame.Width - 20, 20));
            playname.BackgroundColor = UIColor.Brown;

            View.AddSubview(playname);

            var btnStartGame = new UIButton(new RectangleF(10, 140, View.Frame.Width - 20, 20));
            btnStartGame.SetTitle("Start game", UIControlState.Normal);
            btnStartGame.BackgroundColor = UIColor.Blue;
            btnStartGame.TouchUpInside += delegate
            {
                NavigationController.PushViewController(new PlayGameController(playname.Text), true);
            };

            View.AddSubview(btnStartGame);
        }

        public override void ViewDidLoad()
        {
            View = new UIView(){ BackgroundColor = UIColor.White};
            base.ViewDidLoad();

            var label = new UILabel(new RectangleF(10, 10, 300, 40));
            Add(label);
            var textField = new UITextField(new RectangleF(10, 50, 300, 40));
            Add(textField);
            var button = new UIButton(UIButtonType.RoundedRect);
            button.SetTitle("Click Me", UIControlState.Normal);
            button.Frame = new RectangleF(10, 90, 300, 40);
            Add(button);
            var button2 = new UIButton(UIButtonType.RoundedRect);
            button2.SetTitle("Go Second", UIControlState.Normal);
            button2.Frame = new RectangleF(10, 130, 300, 40);
            Add(button2);

            var set = this.CreateBindingSet<FirstView, Core.ViewModels.FirstViewModel>();
            set.Bind(label).To(vm => vm.Hello);
            set.Bind(textField).To(vm => vm.Hello);
            set.Bind(button).To(vm => vm.MyCommand);
            set.Bind(button2).To(vm => vm.GoSecondCommand);
            set.Apply();
        }

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();
			Title = "Buttons";
			View.BackgroundColor = UIColor.White;

			buttonRect = UIButton.FromType(UIButtonType.RoundedRect);
			buttonRect.SetTitle ("Click me", UIControlState.Normal);
			buttonRect.SetTitle ("Clicking me", UIControlState.Highlighted);
			buttonRect.SetTitle ("Disabled", UIControlState.Disabled);
			buttonRect.SetTitleColor (UIColor.LightGray, UIControlState.Disabled);


			buttonCustom = UIButton.FromType(UIButtonType.RoundedRect);
			buttonCustom.SetTitle ("Button", UIControlState.Normal);
			buttonCustom.SetTitle ("Button!!!!", UIControlState.Highlighted);
			buttonCustom.Font = UIFont.FromName ("Helvetica-BoldOblique", 26f);
			buttonCustom.SetTitleColor (UIColor.Brown, UIControlState.Normal);
			buttonCustom.SetTitleColor (UIColor.Yellow, UIControlState.Highlighted);
			buttonCustom.SetTitleShadowColor (UIColor.DarkGray, UIControlState.Normal);
			
			buttonRect.Frame 		= new CGRect(160, 100, 140, 40);
			buttonCustom.Frame 		= new CGRect(160, 180, 140, 60);

			buttonRect.TouchUpInside += HandleTouchUpInside;
			buttonCustom.TouchUpInside += HandleTouchUpInside;
		
			View.AddSubview (buttonRect);
			View.AddSubview (buttonCustom);

		}

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();
            View.BackgroundColor = UIColor.Gray;
			// Perform any additional setup after loading the view, typically from a nib.
			viewModel = new Model ();
			UILabel lbl = new UILabel (new RectangleF(0,0,320, 50));
			lbl.Text = viewModel.Text;
			lbl.AdjustsFontSizeToFitWidth = true;
			UITextView et = new UITextView (new RectangleF (0, 60, 320, 50));
			et.Text = viewModel.Text;
			et.Changed += (object sender, EventArgs e) => {
				viewModel.Text = et.Text;
			};
            UIButton btn = new UIButton(new RectangleF(0, 120, 320, 50));
            btn.SetTitle(viewModel.TimesString, UIControlState.Normal);
            btn.TouchUpInside += (s,e) => viewModel.ClickEvent.Execute(null);
            btn.ShowsTouchWhenHighlighted = true;
			viewModel.PropertyChanged += (object sender, System.ComponentModel.PropertyChangedEventArgs e) => 
			{
                if (e.PropertyName == "Text")
                    lbl.Text = viewModel.Text;
                else if (e.PropertyName == "TimesString")
                    btn.SetTitle(viewModel.TimesString, UIControlState.Normal);
			};
			View.Add (lbl);
			View.Add (et);
            View.Add (btn);
		}

        public CustomRecCell(NSString cellId)
            : base(UITableViewCellStyle.Default, cellId)
        {
            SelectionStyle = UITableViewCellSelectionStyle.Gray;

            fileNameLabel = new UILabel () {
                Font = UIFont.FromName("AmericanTypewriter", 15f),
                BackgroundColor = UIColor.Clear
            };

            playerPlayButton = new UIButton ();
            playerPlayButton.SetTitle("Play", UIControlState.Normal);
            playerPlayButton.SetTitle("Playing", UIControlState.Selected);
            playerPlayButton.Font = UIFont.FromName ("AmericanTypewriter", 15f);
            playerPlayButton.TouchUpInside += playerPlayButtonTouchUpInside_Event;

            playerStopButton = new UIButton ();
            playerStopButton.SetTitle("Stop", UIControlState.Normal);
            playerStopButton.Font = UIFont.FromName ("AmericanTypewriter", 15f);
            playerStopButton.TouchUpInside += playerStopButtonTouchUpInside_Event;

            progressBar = new UISlider ();
            progressBar.Enabled = false;
            progressBar.SetThumbImage (UIImage.FromBundle("Images/slider_thumb"), UIControlState.Normal);

            ContentView.Add (fileNameLabel);
            ContentView.Add (playerPlayButton);
            ContentView.Add (playerStopButton);
            ContentView.Add (progressBar);
        }

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            View.Frame = UIScreen.MainScreen.Bounds;
            View.BackgroundColor = UIColor.White;
            View.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;

            button = UIButton.FromType(UIButtonType.RoundedRect);

            button.Frame = new RectangleF(
                View.Frame.Width / 2 - buttonWidth / 2,
                View.Frame.Height / 2 - buttonHeight / 2,
                buttonWidth,
                buttonHeight);

            button.SetTitle("Click me", UIControlState.Normal);

            button.TouchUpInside += (object sender, EventArgs e) =>
            {
                button.SetTitle(String.Format("clicked {0} times", numClicks++), UIControlState.Normal);
            };

            button.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleTopMargin |
                UIViewAutoresizing.FlexibleBottomMargin;

            View.AddSubview(button);
        }

		public void AddSiteUrl(RectangleF frame)
		{
			url = UIButton.FromType(UIButtonType.Custom);
			url.LineBreakMode = UILineBreakMode.TailTruncation;
			url.HorizontalAlignment = UIControlContentHorizontalAlignment.Left;
			url.TitleShadowOffset = new SizeF(0, 1);
			url.SetTitleColor(UIColor.FromRGB (0x32, 0x4f, 0x85), UIControlState.Normal);
			url.SetTitleColor(UIColor.Red, UIControlState.Highlighted);
			url.SetTitleShadowColor(UIColor.White, UIControlState.Normal);
			url.AddTarget(delegate { if (UrlTapped != null) UrlTapped (); }, UIControlEvent.TouchUpInside);
			
			// Autosize the bio URL to fit available space
			var size = _urlSize;
			var urlFont = UIFont.BoldSystemFontOfSize(size);
			var urlSize = new NSString(_bio.Url).StringSize(urlFont);
			var available = Util.IsPad() ? 400 : 185; // Util.IsRetina() ? 185 : 250;		
			while(urlSize.Width > available)
			{
				urlFont = UIFont.BoldSystemFontOfSize(size--);
				urlSize = new NSString(_bio.Url).StringSize(urlFont);
			}
			
			url.Font = urlFont;			
			url.Frame = new RectangleF ((float)_left, (float)70, (float)(frame.Width - _left), (float)size);
			url.SetTitle(_bio.Url, UIControlState.Normal);
			url.SetTitle(_bio.Url, UIControlState.Highlighted);			
			AddSubview(url);
		}

		public override void ViewDidLoad ()
		{	
			base.ViewDidLoad ();
			
			#region UI Controls (you could do this in XIB if you want)
			saveButton = UIButton.FromType(UIButtonType.RoundedRect);
			saveButton.Frame = new RectangleF(10,10,145,50);
			saveButton.SetTitle("Save", UIControlState.Normal);
			saveButton.SetTitle("waiting...", UIControlState.Disabled);
			saveButton.Enabled = false;
			
			doneSwitch = new UISwitch();
			doneSwitch.Frame = new RectangleF(180, 25, 145, 50);
			doneSwitch.Enabled = false;
			doneLabel = new UILabel();
			doneLabel.Frame = new RectangleF(200, 10, 145, 15);
			doneLabel.Text = "Done?";

			titleText = new UITextView(new RectangleF(10, 70, 300, 40));
			titleText.BackgroundColor = UIColor.FromRGB(240,240,240);
			titleText.Editable = true;
			titleText.BackgroundColor = UIColor.FromRGB(240,240,240);

			descriptionText = new UITextView(new RectangleF(10, 130, 300, 180));
			descriptionText.BackgroundColor = UIColor.FromRGB(240,240,240);
			descriptionText.Editable = true;
			descriptionText.ScrollEnabled = true;
			descriptionText.AutoresizingMask = UIViewAutoresizing.FlexibleHeight;

			// Add the controls to the view
			this.Add(saveButton);
			this.Add(doneLabel);
			this.Add(doneSwitch);
			this.Add(descriptionText);
			this.Add(titleText);
			#endregion

			saveButton.TouchUpInside += (sender, e) => {

				doc.TheTask.Title = titleText.Text;
				doc.TheTask.Description = descriptionText.Text;
				doc.TheTask.IsDone = doneSwitch.On;

				doc.UpdateChangeCount (UIDocumentChangeKind.Done);	// tell UIDocument it needs saving
				descriptionText.ResignFirstResponder ();			// hide keyboard
				titleText.ResignFirstResponder ();
			};
			
			LoadData ();

			NSNotificationCenter.DefaultCenter.AddObserver (this
				, new Selector("dataReloaded:")
				, new NSString("taskModified"),
				null);

		}

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();
			Title = "Save to Album";
			View.BackgroundColor = UIColor.White;

			cameraButton = UIButton.FromType (UIButtonType.RoundedRect);
			cameraButton.Frame = new CGRect(10, 20, 100,40);
			cameraButton.SetTitle ("Camera", UIControlState.Normal);
			cameraButton.TouchUpInside += (sender, e) => {
			
				TweetStation.Camera.TakePicture (this, (obj) =>{
					// https://developer.apple.com/library/ios/#documentation/uikit/reference/UIImagePickerControllerDelegate_Protocol/UIImagePickerControllerDelegate/UIImagePickerControllerDelegate.html#//apple_ref/occ/intfm/UIImagePickerControllerDelegate/imagePickerController:didFinishPickingMediaWithInfo:
					var photo = obj.ValueForKey(new NSString("UIImagePickerControllerOriginalImage")) as UIImage;
					var meta = obj.ValueForKey(new NSString("UIImagePickerControllerMediaMetadata")) as NSDictionary;
					
// This bit of code saves to the Photo Album with metadata
					ALAssetsLibrary library = new ALAssetsLibrary();
					library.WriteImageToSavedPhotosAlbum (photo.CGImage, meta, (assetUrl, error) =>{
						Console.WriteLine ("assetUrl:"+assetUrl);
					});
					

// This bit of code does basic 'save to photo album', doesn't save metadata
//			var someImage = UIImage.FromFile("someImage.jpg");
//			someImage.SaveToPhotosAlbum ((image, error)=> {
//				var o = image as UIImage;
//				Console.WriteLine ("error:" + error);
//			});
					

// This bit of code saves to the application's Documents directory, doesn't save metadata
//					var documentsDirectory = Environment.GetFolderPath
//					                          (Environment.SpecialFolder.Personal);
//					string jpgFilename = System.IO.Path.Combine (documentsDirectory, "Photo.jpg");
//					NSData imgData = photo.AsJPEG();
//					NSError err = null;
//					if (imgData.Save(jpgFilename, false, out err))
//					{
//					    Console.WriteLine("saved as " + jpgFilename);
//					} else {
//					    Console.WriteLine("NOT saved as" + jpgFilename + " because" + err.LocalizedDescription);
//					}


				});
			};
			View.Add (cameraButton);
			
			if (!UIImagePickerController.IsSourceTypeAvailable (UIImagePickerControllerSourceType.Camera)) {
				cameraButton.SetTitle ("No camera", UIControlState.Disabled);
				cameraButton.SetTitleColor (UIColor.Gray, UIControlState.Disabled);
				cameraButton.Enabled = false;
			}
		}

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();

			#region UI layout stuff, not relevant to example
			Title = "Consumable Products";
			View.BackgroundColor = UIColor.White;

			buy5Button = UIButton.FromType (UIButtonType.RoundedRect);
			buy5Button.SetTitle ("loading...", UIControlState.Disabled);
			buy5Button.SetTitleColor(UIColor.Gray, UIControlState.Disabled);
			buy5Button.SetTitle ("Buy...", UIControlState.Normal);
			buy5Button.Enabled = false;

			buy10Button = UIButton.FromType (UIButtonType.RoundedRect);
			buy10Button.SetTitle ("loading...", UIControlState.Disabled);
			buy10Button.SetTitleColor(UIColor.Gray, UIControlState.Disabled);
			buy10Button.SetTitle ("Buy...", UIControlState.Normal);
			buy10Button.Enabled = false;

			buy5Title = new UILabel(new RectangleF(10, 10, 300, 30));
			buy5Title.Font = UIFont.BoldSystemFontOfSize(18f);
			buy5Description = new UILabel(new RectangleF(10, 40, 300, 30));
			buy5Button.Frame = new RectangleF(10, 80, 200, 40);

			buy10Title = new UILabel(new RectangleF(10, 140, 300, 30));
			buy10Title.Font = UIFont.BoldSystemFontOfSize(18f);
			buy10Description = new UILabel(new RectangleF(10, 170, 300, 30));
			buy10Button.Frame = new RectangleF(10, 210, 200, 40);

			balanceLabel = new UILabel(new Rectangle(10, 280, 300, 40));
			balanceLabel.Font = UIFont.BoldSystemFontOfSize(24f);
			
			infoLabel = new UILabel(new RectangleF(10, 340, 300, 80));
			infoLabel.Lines = 3;
			infoLabel.Text = Footer;
	
			View.AddSubview (buy5Button);			
			View.AddSubview (buy5Title);
			View.AddSubview (buy5Description);
			View.AddSubview (buy10Button);			
			View.AddSubview (buy10Title);
			View.AddSubview (buy10Description);
			View.AddSubview (balanceLabel);
			View.AddSubview (infoLabel);
			#endregion	

			buy5Button.TouchUpInside += (sender, e) => {
				iap.PurchaseProduct (Buy5ProductId);
			};	
			buy10Button.TouchUpInside += (sender, e) => {
				iap.PurchaseProduct (Buy10ProductId);
			};		
		}

		partial void TappedDeepButton (UIButton sender)
		{
			// switch network to be used between the deep and the single layered
			if (deep) {
				sender.SetTitle ("Use Deep Net", UIControlState.Normal);
				runningNet = neuralNetwork;
			} else {
				sender.SetTitle ("Use Single Layer", UIControlState.Normal);
				runningNet = neuralNetworkDeep;
			}

			deep = !deep;
		}

 public PasswordTextField()
 {
     var obfuscateButton = new UIButton (GetButtonRect());
     obfuscateButton.SetTitle (ShowText, UIControlState.Normal);
     obfuscateButton.SetTitleColor (UIColor.LightGray, UIControlState.Normal);
     obfuscateButton.Font = buttonFont;
     obfuscateButton.TouchUpInside += (sender, args) => {
         SecureTextEntry = !SecureTextEntry;
         Text = Text; //need this to address cursor position update issue
         obfuscateButton.SetTitle (SecureTextEntry ? ShowText : HideText, UIControlState.Normal);
     };
     RightViewMode = UITextFieldViewMode.WhileEditing;
     RightView = obfuscateButton;
 }

        private void BindClientButton (UIButton v)
        {
            if (model.Client == null) {
                v.Apply (Style.NewProject.NoClient);
                v.SetTitle ("NewProjectClientHint".Tr (), UIControlState.Normal);
            } else {
                var text = model.Client.Name;
                if (String.IsNullOrEmpty (text)) {
                    text = "NewProjectNoNameClient".Tr ();
                }

                v.Apply (Style.NewProject.WithClient);
                v.SetTitle (text, UIControlState.Normal);
            }
        }

        public override void ViewDidLoad()
        {
            var mapView = new MKMapView();
            mapView.Delegate = new MyDelegate();
            View = mapView;

            base.ViewDidLoad();

            // ios7 layout
            if (RespondsToSelector(new Selector("edgesForExtendedLayout")))
                EdgesForExtendedLayout = UIRectEdge.None;

            var secondViewModel = (SecondViewModel)ViewModel;
            var hanAnnotation = new ZombieAnnotation(secondViewModel.Han);

            mapView.AddAnnotation(hanAnnotation);

            mapView.SetRegion(MKCoordinateRegion.FromDistance(
                new CLLocationCoordinate2D(secondViewModel.Han.Location.Lat, secondViewModel.Han.Location.Lng),
                20000,
                20000), true);

            var button = new UIButton(UIButtonType.RoundedRect);
            button.Frame = new RectangleF(10, 10, 300, 40);
            button.SetTitle("move", UIControlState.Normal);
            Add(button);

            var set = this.CreateBindingSet<SecondView, Core.ViewModels.SecondViewModel>();
            set.Bind(hanAnnotation).For(a => a.Location).To(vm => vm.Han.Location);
            set.Bind(button).For("Title").To(vm => vm.Han.Location);
            set.Apply();
        }