Steema Central

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    ChartView tChart1;

		public MainPage()
		{
			InitializeComponent();

			tChart1 = new ChartView();
			tChart1.Chart.Panning.Allow = ScrollModes.None;
			tChart1.Chart.Panel.Gradient.Visible = false;
			tChart1.Chart.Panel.Color = Color.White;
			tChart1.Chart.Walls.Back.Visible = false;
			tChart1.Chart.Header.Visible = false;
			tChart1.Chart.Legend.Visible = false;
			tChart1.Chart.Aspect.View3D = false;
			Steema.TeeChart.Styles.Bar bar1 = new Steema.TeeChart.Styles.Bar(tChart1.Chart);
			for (int i = 0; i < 5; i++)
			{
				bar1.Add(i, i * 5);
			}
			bar1.Color = Color.Green;
			bar1.Marks.Visible = true;
			bar1.Marks.Transparent = true;
			bar1.Marks.Pen.Visible = false;
			bar1.Marks.TailStyle = Steema.TeeChart.Styles.MarksTail.None;
			bar1.Marks.Arrow.Visible = false;
			bar1.Marks.Font.Size = 18;
			bar1.GetSeriesMark += Bar1_GetSeriesMark;
			tChart1.Chart.Axes.Left.Labels.Style = Steema.TeeChart.AxisLabelStyle.Text;
			tChart1.Chart.Axes.Left.Labels.Font.Size = 18;
			tChart1.Chart.Axes.Left.Ticks.Visible = true;
			tChart1.Chart.Axes.Left.MinorTicks.Visible = true;
			tChart1.Chart.Axes.Left.AxisPen.Visible = true;
			tChart1.Chart.Axes.Left.Grid.Visible = false;
			tChart1.Chart.Axes.Bottom.Grid.Visible = false;
			tChart1.Chart.Axes.Bottom.Labels.Font.Size = 18;
			tChart1.Chart.GetAxisLabel += Chart_GetAxisLabel;
			tChart1.Chart.Panel.MarginLeft = 20;

			tChart1.WidthRequest = 650;
			tChart1.HeightRequest = 350;

		
			Content = new StackLayout
			{
				Children =
									{
										tChart1
									},
				VerticalOptions = LayoutOptions.CenterAndExpand,
				HorizontalOptions = LayoutOptions.CenterAndExpand,
			};

		}

		private void Chart_GetAxisLabel(object sender, GetAxisLabelEventArgs e)
		{
			if (sender == tChart1.Chart.Axes.Left)
			{
				if (e.ValueIndex != -1)
				{
					e.LabelText = e.Series.YValues[e.ValueIndex].ToString() + "%";
				}
			}
		}


		private void Bar1_GetSeriesMark(Steema.TeeChart.Styles.Series series, Steema.TeeChart.Styles.GetSeriesMarkEventArgs e)
		{
			e.MarkText = "+ " + e.MarkText;
		}