C# UITableView类代码示例

		public override UITableViewCell GetCell(UITableView tv)
		{
			RectangleF frame;
			if (datePicker == null)
			{
				label = new UILabel
				{
					Text = Caption
				};
				label.SizeToFit();
				frame = label.Frame;
				frame.X = 15;
				frame.Y = 5;
				label.Frame = frame;

				datePicker = CreatePicker();
				
			}
			if(datePicker.Date != DateValue)
				datePicker.Date = DateValue;

			frame = datePicker.Frame;
			frame.Y = frame.X = 0;
			datePicker.Frame = frame;
			var cell = tv.DequeueReusableCell("datePicker") ?? new UITableViewCell(UITableViewCellStyle.Default, "datePicker") { Accessory = UITableViewCellAccessory.None };
			cell.ContentView.Add(label);
			if(cell.ContentView != datePicker.Superview)
				cell.ContentView.Add(datePicker);
			
			return cell;
		}

        public override void ViewDidLoad()
        {
            base.ViewDidLoad ();
            var list = new List<NewsModel>();
            var table = new UITableView (new RectangleF (0, 0, View.Bounds.Width, View.Bounds.Height));
            View.Add (table);

            try{
                var request = WebRequest.Create("http://api.bbcnews.appengine.co.uk/stories/"+_category);
                var response = request.GetResponse ();
                using(var stream = new StreamReader(response.GetResponseStream())){
                    var json = stream.ReadToEnd ();
                    var jsonVal = JsonValue.Parse (json);
                    for(var i=0; i<jsonVal["stories"].Count; i++){
                        list.Add (new NewsModel () {
                            Title = jsonVal["stories"][i]["title"],
                            Description = jsonVal["stories"][i]["description"],
                            Thumbnail = jsonVal["stories"][i]["thumbnail"],
                            Link = jsonVal["stories"][i]["link"]
                        });
                    }
                };
                response.Close ();
            }catch{
            }
            table.Source = new NewsTableSource(list.ToArray(), NavigationController);
            // Perform any additional setup after loading the view, typically from a nib.
        }

		public override nfloat GetHeightForRow (UITableView tableView, Foundation.NSIndexPath indexPath)
		{
			if (!data.IsList && indexPath.Section == 0) {
				return indexPath.Row == 0 ? 66.0f : 22.0f;
			}
			return 44.0f;
		}

		public override UITableViewCell GetCell (UITableView tableView, Foundation.NSIndexPath indexPath)
		{
			var item = Data[indexPath.Row];

			var cell = (ByInvestmentTableViewCell)tableView.DequeueReusableCell (investmentId);

			if (cell == null)
				cell = new ByInvestmentTableViewCell (investmentId, sourceNames);	

			//cell.SeparatorInset = new UIEdgeInsets (0, 0, 0, 10);

			cell.FundNameLabel.Text = item.FundName;
			cell.SelectionStyle = UITableViewCellSelectionStyle.None;

			var x = 0;

			foreach (var name in sourceNames) {
				cell.SourceAmounts [x].Item1.Text = name;

				var amount = 0.00;

				if (item.SourceAmounts.ContainsKey (name)) {
					amount = item.SourceAmounts [name];
				}
				cell.SourceAmounts [x].Item2.Text = String.Format ("{0:C}", amount);
				x++;
			}
			return cell;
		}

        public override UITableViewCell GetCell (UITableView tv)
        {
            var cell = tv.DequeueReusableCell(CellReuseIdentifier) as OwnerDrawnCell;

            if (cell == null)
            {
                cell = new OwnerDrawnCell(this, Style, CellReuseIdentifier);
                OnCreateCell(cell);
            }
            else
            {
                cell.Element = this;
            }

            if (Tapped != null) {
                cell.Accessory = UITableViewCellAccessory.DisclosureIndicator;
                cell.SelectionStyle = UITableViewCellSelectionStyle.Blue;
            } 
            else 
            {
                cell.Accessory = UITableViewCellAccessory.None;
                cell.SelectionStyle = UITableViewCellSelectionStyle.None;
            }

            cell.BackgroundColor = BackgroundColor;
            cell.Update();
            return cell;
        }   

		public override void Selected(DialogViewController dvc, UITableView tableView, NSIndexPath path)
		{
			Value = !Value;
			InitializeCell(tableView);

			base.Selected(dvc, tableView, path);
		}

        public float GetHeightTitle(UITableView tableView)
        {
            var size2 = tableView.StringSize (_post.TitleDecoded, HeadingFont,
                                              new SizeF(tableView.Frame.Width - 24, 60));

            return size2.Height + 2;
        }

 public override void CommitEditingStyle(UITableView tableView, UITableViewCellEditingStyle editingStyle, NSIndexPath indexPath)
 {
     if (editingStyle == UITableViewCellEditingStyle.Delete) {
         _taskManager.RemoveItem(_taskManager.TodoItems[indexPath.Row]);
         tableView.DeleteRows(new NSIndexPath[] { indexPath }, UITableViewRowAnimation.Top);
     }
 }

		public override float GetHeightForHeader (UITableView tableView, int section)
		{
			if(section > 0)
				return 0.0f;
			
			return 160f;
		}

		public override UITableViewCellEditingStyle EditingStyleForRow (UITableView tableView, NSIndexPath indexPath)
		{
			var artsInSection = JaktLoggApp.instance.ArtList.Where(a => a.GroupId == 100).Count();
			if(indexPath.Section == 0 && indexPath.Row == artsInSection)
			    return UITableViewCellEditingStyle.Insert;
			return UITableViewCellEditingStyle.Delete;
		}

		public override UITableViewCell GetCell (UITableView tableView, NSIndexPath indexPath)
		{
			var cell = tableView.DequeueReusableCell("ArterTableCell");
			if(cell == null)
				cell = new UIJaktTableViewCell(UITableViewCellStyle.Default, "ArterTableCell");

			var groupId = JaktLoggApp.instance.ArtGroupList[indexPath.Section].ID;
			var artsInSection = JaktLoggApp.instance.ArtList.Where(a => a.GroupId == groupId);
			var c = artsInSection.Count();
			//legg til art - knapp
			if(_controller.TableView.Editing && groupId == 100 && indexPath.Row == c){
				cell.TextLabel.Text = Utils.Translate("specie.new");
				//cell.Accessory = UITableViewCellAccessory.None;
				cell.ImageView.Image = null;
			}
			else
			{
				var art = artsInSection.ElementAt(indexPath.Row);
				var label = art.Navn;

				var icon = JaktLoggApp.instance.SelectedArtIds.Contains(art.ID) ? "icon_checked.png" : "icon_unchecked.png";
				var file = "Images/Icons/"+icon;
				cell.ImageView.Image = new UIImage(file);
				cell.ImageView.Layer.MasksToBounds = true;
				cell.ImageView.Layer.CornerRadius = 5.0f;

				cell.TextLabel.Text = label;
				cell.TextLabel.TextAlignment = UITextAlignment.Left;
				if(!EditMode)
					cell.Accessory = UITableViewCellAccessory.DetailDisclosureButton;
			}
			return cell;
		}

		public override UITableViewCell GetCell (UITableView tv)
		{
			var cell = base.GetCell (tv);
			if (this.IsMandatory)
				cell.TextLabel.Text += "*";
			return cell;
		}

		public override void Selected (DialogViewController dvc, UITableView tableView, NSIndexPath path)
		{
			if (IsReadonly) {
				base.Selected (dvc, tableView, path);
				return;
			}

			var controller = new UIViewController ();

			UITextView disclaimerView = new UITextView (controller.View.Frame);
//			disclaimerView.BackgroundColor = UIColor.FromWhiteAlpha (0, 0);
//			disclaimerView.TextColor = UIColor.White;
//			disclaimerView.TextAlignment = UITextAlignment.Left;
			if (!string.IsNullOrWhiteSpace (Value))
				disclaimerView.Text = Value;
			else
				disclaimerView.Text = string.Empty;
			
			disclaimerView.Font = UIFont.SystemFontOfSize (16f);
			disclaimerView.Editable = true;

			controller.View.AddSubview (disclaimerView);
			controller.NavigationItem.Title = Caption;
			controller.NavigationItem.RightBarButtonItem = new UIBarButtonItem (string.IsNullOrEmpty (_saveLabel) ? "Save" : _saveLabel, UIBarButtonItemStyle.Done, (object sender, EventArgs e) => {
				if (OnSave != null)
					OnSave (this, EventArgs.Empty);
				controller.NavigationController.PopViewControllerAnimated (true);
				Value = disclaimerView.Text;
			});	

			dvc.ActivateController (controller);
		}

        protected override StandardContentCell CreateCell(UITableView tableView)
        {
            var cell = new StandardContentCell(UITableViewCellStyle.Default, Type);
            cell.SelectionStyle = UITableViewCellSelectionStyle.None;

            button = UIButton.FromType (UIButtonType.Custom);

            button.SetTitle (Text, UIControlState.Normal);
            button.Font = UIFont.BoldSystemFontOfSize (16);
            button.BackgroundColor = BackgroundColor;
            button.TitleEdgeInsets = new UIEdgeInsets(0, 6, 0, 6);
            button.Layer.CornerRadius = 7.0f;
            button.SetTitleColor(TextColor, UIControlState.Normal);
            button.SizeToFit ();
            button.TouchUpInside += delegate {
                RowSelectedImpl (tableView);
            };

            if (Disable) {
                button.UserInteractionEnabled = false;
                button.Enabled = false;
                button.TitleLabel.Enabled = false;
            }

            float left = (tableView.Frame.Width - button.Frame.Width ) / 2 - 12;
            button.Frame = new RectangleF(left, 4, button.Frame.Width + 12, 36);

            cell.ContentView.Add (button);

            return cell;
        }

		public override void InitializeCell(UITableView tableView)
		{
			Cell.Accessory = UITableViewCellAccessory.DisclosureIndicator;
			TextLabel.Text = Caption;
		
			base.InitializeCell(tableView);
		}