C# UIPickerView.SelectedRowInComponent方法代码示例

 public override void Selected(UIPickerView picker, nint row, nint component)
 {
     if(component == 0 && row > picker.SelectedRowInComponent(1))
     {
         picker.Select(row, 1, true);
     }
     if(component == 1 && row < picker.SelectedRowInComponent(0))
     {
         picker.Select(row, 0, true);
     }
 }

        public PickerAlert(string[] values, int currentSelected, Action<int> selected)
            : base(new RectangleF(0, 0, 320f, 480f))
        {
            AutosizesSubviews = true;
            this.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;

            _values = values;
            _currentSelected = currentSelected;
            _selected = selected;

            _pickerView = new UIPickerView();
            _pickerView.AutoresizingMask = UIViewAutoresizing.FlexibleWidth;
            _pickerView.ShowSelectionIndicator = true;
            _pickerView.Model = new PickerModel(values);
            _pickerView.BackgroundColor = UIColor.FromRGB(244, 244, 244);
            _pickerView.Select(currentSelected, 0, false);

            _toolbar = new UIToolbar();
            _toolbar.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleTopMargin;

            _toolbar.Items = new UIBarButtonItem[]
            {
                new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
                new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, (s, e) => {
                    _selected(_pickerView.SelectedRowInComponent(0));
                    Dismiss();
                })
            };

            _innerView = new UIView(new RectangleF(0, Frame.Height, Frame.Width, 44f + _pickerView.Frame.Height));
            _innerView.AutosizesSubviews = true;
            _innerView.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleTopMargin;

            _toolbar.Frame = new RectangleF(0, 0, Frame.Width, 44f);
            _innerView.Add(_toolbar);

            _pickerView.Frame = new RectangleF(0, 44f, Frame.Width, _pickerView.Frame.Height);
            _innerView.Add(_pickerView);

            Add(_innerView);
        }

		public override void Selected (UIPickerView picker, int row, int component)
		{
			tvc.currentSystemItem = (UIBarButtonSystemItem) picker.SelectedRowInComponent (0);
			tvc.CreateToolbarItems ();
		}

 public string getRowerId(UIPickerView picker)
 {
     return rowerIds [picker.SelectedRowInComponent (0)];
 }

 public override void Selected(UIPickerView pickerView, nint row, nint component)
 {
     Quiz.SelectedAnswer = Convert.ToByte(pickerView.SelectedRowInComponent(0));
 }

			public override void Selected (UIPickerView picker, int row, int component)
			{
				var qbv = (QuartzBlendingView) parent.quartzView;
				qbv.DestinationColor = Colors [picker.SelectedRowInComponent (0)];
				qbv.SourceColor = Colors [picker.SelectedRowInComponent (1)];
				qbv.BlendMode = (CGBlendMode) picker.SelectedRowInComponent (2);
				qbv.SetNeedsDisplay ();
			}

        partial void actionChangeKey(NSObject sender)
        {
            _actionSheet = new UIActionSheet("Title", null, string.Empty, string.Empty, null);

            var pickerView = new UIPickerView(new RectangleF(0, 44, 320, 300));
            pickerView.ShowSelectionIndicator = true;
            pickerView.WeakDelegate = this;

            var toolbar = new UIToolbar(new RectangleF(0, 0, 320, 44));
            toolbar.BarStyle = UIBarStyle.Black;

            UIBarButtonItem flexSpace = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace);

            var button = new UIButton(UIButtonType.Custom);
            button.SetTitle("Done", UIControlState.Normal);
            button.Layer.CornerRadius = 8;
            button.Layer.BackgroundColor = GlobalTheme.SecondaryColor.CGColor;
            button.Font = UIFont.FromName("HelveticaNeue-Bold", 12.0f);
            button.Frame = new RectangleF(0, 20, 60, 30);
            button.TouchUpInside += (sender2, e) => {
                int key = _keys[pickerView.SelectedRowInComponent(0)].Item1;
                OnChangeKey(key);
                _actionSheet.DismissWithClickedButtonIndex(0, true);
            };
            var btnDone = new UIBarButtonItem(button);
            toolbar.SetItems(new UIBarButtonItem[2] { flexSpace, btnDone }, true);

            _actionSheet.AddSubview(toolbar);
            _actionSheet.AddSubview(pickerView);
            _actionSheet.ShowInView(UIApplication.SharedApplication.KeyWindow);
            _actionSheet.Bounds = new RectangleF(0, 0, 320, 344);

            int index = _keys.IndexOf(_currentKey);
            pickerView.Select(index, 0, false);
        }

        public override void ViewDidLoad()
        {
            base.ViewDidLoad ();
            Console.WriteLine ("PBS VDL");
            this.NavigationController.NavigationBar.TintColor = UIColor.FromRGB (237, 152, 0);
            this.NavigationController.NavigationBar.BarTintColor = UIColor.FromRGB (52, 19, 0);

            float sH = UIScreen.MainScreen.Bounds.Height;
            float sW = UIScreen.MainScreen.Bounds.Width;

            var volumeView = new MPVolumeView(new RectangleF(50,sH - 100,200,50));
            volumeView.ShowsVolumeSlider = true;
            volumeView.ShowsRouteButton = true;
            volumeView.TintColor = UIColor.FromRGB (237, 152, 0);
            View.AddSubview (volumeView);

            var volumeUpView = new UIImageView (new RectangleF (260, sH - 104, 26, 26));
            volumeUpView.Image = UIImage.FromFile("volume_up-26.png");
            View.AddSubview (volumeUpView);

            var volumeDownView = new UIImageView (new RectangleF (20, sH - 104, 26, 26));
            volumeDownView.Image = UIImage.FromFile ("volume_down-26.png");
            View.AddSubview (volumeDownView);

            var pickerView = new UIPickerView (new RectangleF (0, sH - 207, sW, 162)); // heigth must be 162, 180, 216
            pickerView.BackgroundColor = UIColor.FromRGB (52, 19, 0);
            pickerView.TintColor = UIColor.FromRGB (237, 152, 0);
            // not adding to the view yet because this is a multipurpose picker and the addition is done per the purpose with the btn delegate

            positionSld.SetThumbImage (UIImage.FromFile ("position.png"), UIControlState.Normal);
            positionSld.MinValue = 0f;

            // disable all the buttons I don't want enabled when not playing
            playPauseBtn.Enabled = false;
            positionSkipBtn.Enabled = false;
            stopBtn.Enabled = false;
            timerBtn.Enabled = false;
            pickerSetBtn.Hidden = true;
            pickerSetBtn.Enabled = false;
            pickerCnlBtn.Hidden = true;
            pickerCnlBtn.Enabled = false;
            pickerLbl.Hidden = true;

            if (resumeCheck == 1) {
                Console.WriteLine ("F: VDL RPA: " + resumePassAuthor);
                ResumeBook (resumePassTitle, resumePassAuthor);
            }

            _musicPlayer = new MPMusicPlayerController ();
            _mediaController = new MPMediaPickerController (MPMediaType.Music);
            _mediaController.AllowsPickingMultipleItems = false;
            _mpDelegate = new MediaPickerDelegate (this);
            _mediaController.Delegate = _mpDelegate;
            infoScreen = new InfoScreen ();

            addMusicBtn.TouchUpInside += delegate {
                this.PresentViewController(_mediaController, true, null);
            };

            infoBtn.TouchUpInside += delegate {
                this.PresentViewController(infoScreen, true, null);
            };

            positionSkipBtn.Clicked += delegate {
                pickerView.Model = new ThePickerViewModel(0);
                View.AddSubview(pickerView);
                pickerLbl.Text = "Skip To";
                pickerLbl.Hidden = false;
                pickerSetBtn.Enabled = true;
                pickerSetBtn.Hidden = false;
                pickerCnlBtn.Enabled = true;
                pickerCnlBtn.Hidden = false;
            };

            timerBtn.Clicked += (object sender, EventArgs e) => {
                pickerView.Model = new ThePickerViewModel(1);
                View.AddSubview(pickerView);
                pickerLbl.Text = "Sleep Timer";
                pickerLbl.Hidden = false;
                pickerSetBtn.Enabled = true;
                pickerSetBtn.Hidden = false;
                pickerCnlBtn.Enabled = true;
                pickerCnlBtn.Hidden = false;

            };
            pickerSetBtn.TouchUpInside += delegate {
                if (pickerLbl.Text == "Skip To"){
                    int hourValue = pickerView.SelectedRowInComponent(0);
                    int minValue = pickerView.SelectedRowInComponent(1);
                    int secValue = pickerView.SelectedRowInComponent(2);
                    double pickedTimeValue = ((hourValue * 3600) + (minValue * 60) + secValue);
                    int pickedTimeInt = Convert.ToInt32(pickedTimeValue);
                    _musicPlayer.CurrentPlaybackTime = pickedTimeValue;
                    string pickerTimeDisplay = string.Format("{0:#0}:{1:00}:{2:00}",pickedTimeInt/3600,(pickedTimeInt/60)%60,pickedTimeInt%60);
                    currentTimeLbl.Text = pickerTimeDisplay;
                    positionSld.SetValue( (float)(pickedTimeValue), true);

                    pickerView.RemoveFromSuperview();
                    pickerLbl.Hidden = true;
                    pickerSetBtn.Hidden = true;
//.........这里部分代码省略.........

			public override void Selected(UIPickerView picker, nint row, nint component)
			{
				nint selected = picker.SelectedRowInComponent(0);
				var chart = tk.chart;
				switch (selected)
				{
					case 0:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Standard;
						break;
					case 1:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Cocoa;
						break;
					case 2:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Coral;
						break;
					case 3:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Dark;
						break;
					case 4:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Highcontrast;
						break;
					case 5:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Light;
						break;
					case 6:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Midnight;
						break;
					case 7:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Minimal;
						break;
					case 8:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Modern;
						break;
					case 9:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Organic;
						break;
					case 10:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Slate;
						break;
					case 11:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Zen;
						break;
					case 12:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Cyborg;
						break;
					case 13:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Superhero;
						break;
					case 14:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Flatly;
						break;
					case 15:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Darkly;
						break;
					case 16:
						chart.Palette = Xuni.iOS.ChartCore.XuniPalettes.Cerulean;
						break;
					default:
						break;
				}

			}

 public override void Selected(UIPickerView picker, int row, int component)
 {
     pvc.label.Text = String.Format ("{0} - {1}",
                     names [picker.SelectedRowInComponent (0)],
                     picker.SelectedRowInComponent (1));
 }

// Use For Actionsheet picker view
		public void loadAffiliatePickerView ()
		{
			List<String> segmentosStrings = new List<String> ();

			if (Constant.affiliateResponse != null) {
				for (int i = 0; i < Constant.affiliateResponse.data.Count; i++) {
					segmentosStrings.Add (Constant.affiliateResponse.data [i].name.ToString());
				}
			}

			picker_model_Segmentos = new PickerModel (segmentosStrings);
			picker_Segmentos = new UIPickerView ();
			picker_Segmentos.Model = picker_model_Segmentos;
			picker_Segmentos.ShowSelectionIndicator = true;

			UIToolbar toolbar = new UIToolbar ();
			toolbar.BarStyle = UIBarStyle.Black;
			toolbar.Translucent = true;
			toolbar.SizeToFit ();

			var tapRecognizer = new UITapGestureRecognizer ();

			tapRecognizer.AddTarget(() => { 
				Console.WriteLine("CLICK");
			});

			tapRecognizer.NumberOfTapsRequired = 2;
			tapRecognizer.NumberOfTouchesRequired = 1;

			picker_Segmentos.AddGestureRecognizer(tapRecognizer);

			UIBarButtonItem doneButton = new UIBarButtonItem ("Done", UIBarButtonItemStyle.Bordered,(s, e) => {
				//				Console.WriteLine((int)picker_Segmentos.SelectedRowInComponent);
				Console.WriteLine(picker_model_Segmentos.values[(int)picker_Segmentos.SelectedRowInComponent(0)].ToString ());
				affiliateName.SetTitle(picker_model_Segmentos.values[(int)picker_Segmentos.SelectedRowInComponent(0)].ToString (), UIControlState.Normal);
				affName.ResignFirstResponder ();

				for (int i = 0; i < Constant.affiliateResponse.data.Count; i++) {
					if(Constant.affiliateResponse.data [i].name.ToString() == picker_model_Segmentos.values[(int)picker_Segmentos.SelectedRowInComponent(0)].ToString ()){
						Constant.selectedAffialte.data = Constant.affiliateResponse.data[i];
					}
				}
			});

			UIBarButtonItem cancelButton = new UIBarButtonItem ("cancel", UIBarButtonItemStyle.Bordered, (s, e) => {
				affName.ResignFirstResponder ();
			});
			toolbar.SetItems (new UIBarButtonItem[]{ doneButton, cancelButton }, true);
			toolbar.TintColor = UIColor.White;
			affName.InputView = picker_Segmentos;
			this.View.BackgroundColor = UIColor.Black;
			affName.InputAccessoryView = toolbar;
			affName.AddGestureRecognizer (tapRecognizer);

		}

 public string GetBoatId(UIPickerView picker)
 {
     return boatIds [picker.SelectedRowInComponent(0)];
 }

        public void pickerViewModel(UITextField textFieldItem, List<string> segmentosStrings, UIButton button)
        {
            PickerModel picker_model_Segmentos = new PickerModel (segmentosStrings);
            UIPickerView picker_Segmentos = new UIPickerView ();
            picker_Segmentos.Model = picker_model_Segmentos;
            picker_Segmentos.ShowSelectionIndicator = true;

            UIToolbar toolbar = new UIToolbar ();
            toolbar.BarStyle = UIBarStyle.Black;
            toolbar.Translucent = true;
            toolbar.SizeToFit ();

            var tapRecognizer = new UITapGestureRecognizer ();

            tapRecognizer.AddTarget(() => {
                Console.WriteLine("CLICK");
            });

            tapRecognizer.NumberOfTapsRequired = 2;
            tapRecognizer.NumberOfTouchesRequired = 1;

            picker_Segmentos.AddGestureRecognizer(tapRecognizer);

            UIBarButtonItem doneButton = new UIBarButtonItem ("Done", UIBarButtonItemStyle.Bordered,(s, e) => {
                //				Console.WriteLine((int)picker_Segmentos.SelectedRowInComponent);
                Console.WriteLine(picker_model_Segmentos.values[(int)picker_Segmentos.SelectedRowInComponent(0)].ToString ());
                textFieldItem.Text = picker_model_Segmentos.values[(int)picker_Segmentos.SelectedRowInComponent(0)].ToString ();
                if(button.Tag == 2 || button.Tag == 3){
                    Console.WriteLine("longCode ButtonClicked");
                }

                textFieldItem.ResignFirstResponder ();
            });

            UIBarButtonItem cancelButton = new UIBarButtonItem ("cancel", UIBarButtonItemStyle.Bordered, (s, e) => {
                textFieldItem.ResignFirstResponder ();
            });
            toolbar.SetItems (new UIBarButtonItem[]{ doneButton, cancelButton }, true);
            toolbar.TintColor = UIColor.White;
            textFieldItem.InputView = picker_Segmentos;
            this.View.BackgroundColor = UIColor.Clear;
            textFieldItem.InputAccessoryView = toolbar;
            textFieldItem.AddGestureRecognizer (tapRecognizer);
        }

            public override void Selected(UIPickerView picker, nint row, nint component)
            {
                var selObjctes = new List<object>();

                var aMsg = String.Empty;

                foreach(var aId in mDataDict.Keys)
                {
                    var selIndex = picker.SelectedRowInComponent(aId);

                    var aList = mDataDict[aId];

                    var aRow = aList.Items[(int)selIndex];

                    selObjctes.Add(aRow.SelectedValue);

                    aMsg += aRow.DisplayValue + mTableViewCell.SeperatorCharacter;

                }

                if (aMsg.EndsWith(mTableViewCell.SeperatorCharacter))
                    aMsg = aMsg.Substring(0,aMsg.LastIndexOf(mTableViewCell.SeperatorCharacter));

                mTableViewCell.RightLabel.Text = aMsg;

                SelectedItems = selObjctes.ToArray();

                mTableViewCell.DidSelectItem(selObjctes.ToArray());
            }

 private UIButton CreateSubmitButton(UIPickerView hoursField, UITextField commentField, UISwitch sickLeaveField)
 {
     var submitButton = new UIButton(UIButtonType.System)
     {
         Frame = new CGRect(20, 320, View.Bounds.Width - 40, 32),
     };
     submitButton.SetTitle("Submit", UIControlState.Normal);
     submitButton.TouchUpInside += async (sender, e) =>
     {
         var timesheetEntryHoursViewModel = (TimesheetEntryHoursViewModel)hoursField.Model;
         var selectedHours = timesheetEntryHoursViewModel.SelectedValue(hoursField, hoursField.SelectedRowInComponent(0), 0);
         TimesheetEntry.Hours = Convert.ToDecimal(selectedHours);
         TimesheetEntry.Comment = commentField.Text;
         TimesheetEntry.SickLeave = sickLeaveField.On;
         ShowLoadingOverlay();
         try
         {
             await TimesheetService.SubmitTimesheetEntry(TimesheetEntry);
             NavigationController.PopViewController(true);
         }
         catch (Exception ex)
         {
             var okAlertController = UIAlertController.Create("Error", ex.Message, UIAlertControllerStyle.Alert);
             okAlertController.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null));
             PresentViewController(okAlertController, true, null);
         }
         LoadingOverlay.Hide();
     };
     return submitButton;
 }