public MainPage()
{
InitializeComponent();
/* Create ChartView by code at ContentPage */
/* cursor movement buttons */
btnForward.Text = "Forward";
btnBack.Text = "Back";
btnBack.Clicked += OnBackButtonClicked;
btnForward.Clicked += OnFwdButtonClicked;
LineChart.Chart.BeforeDraw += ChartBeforeDraw;
LineChart.Chart.AfterDraw += ChartAfterDraw;
LineChart.Chart.AutoRepaint = true;
LineChart.HorizontalOptions = LayoutOptions.FillAndExpand;
LineChart.VerticalOptions = LayoutOptions.FillAndExpand;
stkChart.Children.Add(LineChart);
LineChart.Chart.Series.Add(new Line());
double[] YValues = new double[] { 4000, 2500, 2200, 2000, 1800, 1700, 1500, 1300, 1100, 1000, 900, 850 };
LineChart.Chart.Series[0].Add(YValues);
(LineChart.Chart.Series[0] as Line).Marks.Visible = false;
(LineChart.Chart.Series[0] as Line).LinePen.Width = 5;
(LineChart.Chart.Series[0] as Line).Pointer.Visible = true;
LineChart.Chart.Panel.Gradient.Visible = false;
LineChart.Chart.Panel.Color = Color.White;
LineChart.Chart.Walls.Left.Color = Color.White;
LineChart.Chart.Walls.Bottom.Color = Color.White;
LineChart.Chart.Walls.Back.Transparent = true;
LineChart.Chart.Walls.Back.Pen.Color = Color.LightGray;
LineChart.Chart.Legend.Visible = true;
LineChart.Chart.Aspect.ColorPaletteIndex = 17;
LineChart.Chart.Axes.Left.Increment = 500;
LineChart.Chart.Axes.Left.AxisPen.Visible = false;
LineChart.Chart.Axes.Bottom.AxisPen.Visible = false;
LineChart.Chart.Panel.MarginBottom += 5;
LineChart.Chart.Panel.MarginLeft -= 1;
LineChart.Chart.Title.Font.Color = Color.Gray;
LineChart.Chart.Walls.Left.Pen.Width = 1;
LineChart.Chart.Walls.Bottom.Pen.Width = 2;
LineChart.Chart.Walls.Left.Pen.Color = Color.LightGray;
LineChart.Chart.Walls.Bottom.Pen.Color = Color.LightGray;
LineChart.Chart.Aspect.View3D = false;
Steema.TeeChart.Tools.NearestPoint NearestTool = new Steema.TeeChart.Tools.NearestPoint(LineChart.Chart);
NearestTool.Series = LineChart.Chart.Series[0];
NearestTool.Pen.Width = 3;
NearestTool.Pen.Color = Color.Blue;
NearestTool.Change += NearestTool_Change;
LineChart.Chart.Panning.Allow = ScrollModes.None;
if (Device.RuntimePlatform == Device.UWP)
{
LineChart.Chart.Touch.Style = TouchStyle.FullChart; //currently required for UWP. Will be replaced.
LineChart.Chart.Title.Text = "";
LineChart.Chart.Walls.Back.Gradient.Visible = false;
LineChart.Chart.Walls.Back.Color = Color.White;
LineChart.Chart.Axes.Left.MinimumOffset = 5;
LineChart.Chart.Axes.Left.MaximumOffset = 4;
}
}
public MainPage()
{
InitializeComponent();
/* Create ChartView by code at ContentPage */
/* cursor movement buttons */
Button bBack = new Button();
Button bFwd = new Button();
bFwd.Text = "forward";
bBack.Text = "back";
bBack.HeightRequest = 100;
bFwd.HeightRequest = 100;
bBack.WidthRequest = 200;
bFwd.WidthRequest = 200;
bBack.Clicked += OnBackButtonClicked;
bFwd.Clicked += OnFwdButtonClicked;
LineChart.Chart.BeforeDraw += ChartBeforeDraw;
LineChart.Chart.AfterDraw += ChartAfterDraw;
LineChart.Chart.AutoRepaint = true;
LineChart.WidthRequest = 400;
LineChart.HeightRequest = 300;
Content = new StackLayout
{
Children =
{
new StackLayout {
Orientation = StackOrientation.Horizontal, Children ={ bBack, bFwd }
},
LineChart
},
VerticalOptions = LayoutOptions.CenterAndExpand,
HorizontalOptions = LayoutOptions.CenterAndExpand,
};
LineChart.Chart.Series.Add(new Line());
double[] YValues = new double[] { 4000, 2500, 2200, 2000, 1800, 1700, 1500, 1300, 1100, 1000, 900, 850 };
LineChart.Chart.Series[0].Add(YValues);
(LineChart.Chart.Series[0] as Line).Marks.Visible = false;
(LineChart.Chart.Series[0] as Line).LinePen.Width = 5;
(LineChart.Chart.Series[0] as Line).Pointer.Visible = true;
LineChart.Chart.Panel.Gradient.Visible = false;
LineChart.Chart.Panel.Color = Color.White;
LineChart.Chart.Walls.Left.Color = Color.White;
LineChart.Chart.Walls.Bottom.Color = Color.White;
LineChart.Chart.Walls.Back.Transparent = true;
LineChart.Chart.Walls.Back.Pen.Color = Color.LightGray;
LineChart.Chart.Legend.Visible = true;
LineChart.Chart.Aspect.ColorPaletteIndex = 17;
LineChart.Chart.Title.Text = "Pan to show the Nearest Point !";
LineChart.Chart.Title.Alignment = TextAlignment.End;
LineChart.Chart.Axes.Left.Increment = 500;
LineChart.Chart.Axes.Left.AxisPen.Visible = false;
LineChart.Chart.Axes.Bottom.AxisPen.Visible = false;
LineChart.Chart.Panel.MarginBottom += 25;
LineChart.Chart.Panel.MarginLeft -= 1;
LineChart.Chart.Title.Font.Color = Color.Gray;
LineChart.Chart.Walls.Left.Pen.Width = 1;
LineChart.Chart.Walls.Bottom.Pen.Width = 2;
LineChart.Chart.Walls.Left.Pen.Color = Color.LightGray;
LineChart.Chart.Walls.Bottom.Pen.Color = Color.LightGray;
LineChart.Chart.Aspect.View3D = false;
Steema.TeeChart.Tools.NearestPoint NearestTool = new Steema.TeeChart.Tools.NearestPoint(LineChart.Chart);
NearestTool.Series = LineChart.Chart.Series[0];
NearestTool.Pen.Width = 3;
NearestTool.Pen.Color = Color.Blue;
NearestTool.Change += NearestTool_Change;
LineChart.Chart.Panning.Allow = ScrollModes.None;
if (Device.OS == TargetPlatform.Windows)
{
LineChart.Chart.Touch.Style = TouchStyle.FullChart; //currently required for UWP. Will be replaced.
LineChart.Chart.Title.Text = "";
LineChart.Chart.Walls.Back.Gradient.Visible = false;
LineChart.Chart.Walls.Back.Color = Color.White;
LineChart.Chart.Panel.MarginBottom -= 25;
LineChart.Chart.Axes.Left.MinimumOffset = 5;
LineChart.Chart.Axes.Left.MaximumOffset = 4;
}
}
