using System;
using System.Windows.Forms;
using DevExpress.XtraCharts;
// ...

private void Form1_Load(object sender, EventArgs e) {
    // Create an empty chart.
    ChartControl chartControl1 = new ChartControl();

    // Create a series and add points to it.
    Series series1 = new Series("Series 1", ViewType.Bar);

    series1.Points.Add(new SeriesPoint("First Argument", 10.5678));
    series1.Points.Add(new SeriesPoint("Second Argument", 12.5798));
    series1.Points.Add(new SeriesPoint("Third Argument", 11.6483));
    series1.Points.Add(new SeriesPoint("Fourth Argument", 12.3154));
    series1.Points.Add(new SeriesPoint("Fifth Argument", 12.7865));

    // Add the series to the chart.
    chartControl1.Series.Add(series1);

    // Hide the legend (optional).
    chartControl1.Legend.Visible = false;
    
    // Cast the chart's diagram to the XYDiagram type,
    // to access its axes.
    XYDiagram diagram = (XYDiagram)chartControl1.Diagram;

    // Make the X-axis labels staggered.
    diagram.AxisX.Label.Staggered = true;

    // Add a prefix to the Y-axis labels, and rotate them.
    diagram.AxisY.Label.BeginText = "Axis value = ";
    diagram.AxisY.Label.Angle = -30;
    diagram.AxisY.Label.Antialiasing = true;
    
    // Add the chart to the form.
    chartControl1.Dock = DockStyle.Fill;
    this.Controls.Add(chartControl1);
}

Imports System
Imports System.Windows.Forms
Imports DevExpress.XtraCharts
' ...

Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) Handles MyBase.Load
    ' Create an empty chart.
    Dim chartControl1 As New ChartControl()

    ' Create a series and add points to it.
    Dim series1 As New Series("Series 1", ViewType.Bar)

    series1.Points.Add(New SeriesPoint("First Argument", 10.5678))
    series1.Points.Add(New SeriesPoint("Second Argument", 12.5798))
    series1.Points.Add(New SeriesPoint("Third Argument", 11.6483))
    series1.Points.Add(New SeriesPoint("Fourth Argument", 12.3154))
    series1.Points.Add(New SeriesPoint("Fifth Argument", 12.7865))

    ' Add the series to the chart.
    chartControl1.Series.Add(series1)

    ' Hide the legend (optional).
    chartControl1.Legend.Visible = False

    ' Cast the chart's diagram to the XYDiagram type,
    ' to access its axes.
    Dim diagram As XYDiagram = CType(chartControl1.Diagram, XYDiagram)

    ' Make the X-axis labels staggered.
    diagram.AxisX.Label.Staggered = True

    ' Add a prefix to the Y-axis labels, and rotate them.
    diagram.AxisY.Label.BeginText = "Axis value = "
    diagram.AxisY.Label.Angle = -30
    diagram.AxisY.Label.Antialiasing = True

    ' Add the chart to the form.
    chartControl1.Dock = DockStyle.Fill
    Me.Controls.Add(chartControl1)
End Sub