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Form1.vb
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Form1.vb
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Imports Microsoft.VisualBasic
Imports System
Imports System.Collections.Generic
Imports System.Drawing
Imports System.Windows.Forms
Imports DevExpress.XtraEditors
Namespace NumericChartClient
Partial Public Class Form1
Inherits Form
Private Const pointCount As Integer = 20
Private Const seriesCount As Integer = 2
Private rand As New Random()
Private data As New List(Of NumericItem)()
Public Sub New()
InitializeComponent()
' Assign a numeric chart client to the Range control.
rangeControl1.Client = numericChartRangeControlClient1
' Generate a list of NumericItem objects and bind the numeric chart client to it.
numericChartRangeControlClient1.DataProvider.DataSource = GenerateNumericData()
' Specify data members to bind the chart client.
numericChartRangeControlClient1.DataProvider.ArgumentDataMember = "Argument"
numericChartRangeControlClient1.DataProvider.ValueDataMember = "Value"
numericChartRangeControlClient1.DataProvider.SeriesDataMember = "Series"
' Specify the chart range control client view.
Dim areaView As New AreaChartRangeControlClientView()
numericChartRangeControlClient1.DataProvider.TemplateView = areaView
' Customize the area view appearance.
areaView.AreaOpacity = 90
areaView.Color = Color.Gray
areaView.ShowMarkers = True
areaView.MarkerSize = 5
areaView.MarkerColor = Color.Red
' Specify the palette name to get a nice-looking chart.
numericChartRangeControlClient1.PaletteName = "NatureColors"
' Change the default range of the numeric chart range control client.
numericChartRangeControlClient1.Range.Min = 4
numericChartRangeControlClient1.Range.Max = 12
' Customize the grid options of the numeric chart range control client.
numericChartRangeControlClient1.GridOptions.GridSpacing = 2
numericChartRangeControlClient1.GridOptions.SnapSpacing = 1
End Sub
Private Function GenerateNumericData() As List(Of NumericItem)
For seriesIndex As Integer = 0 To seriesCount - 1
For i As Integer = 0 To pointCount - 1
data.Add(New NumericItem() With {.Argument = i, .Value = rand.Next(0, 30) + i, .Series = seriesIndex})
Next i
Next seriesIndex
Return data
End Function
End Class
Public Class NumericItem
Private privateArgument As Double
Public Property Argument() As Double
Get
Return privateArgument
End Get
Set(ByVal value As Double)
privateArgument = value
End Set
End Property
Private privateValue As Double
Public Property Value() As Double
Get
Return privateValue
End Get
Set(ByVal value As Double)
privateValue = value
End Set
End Property
Private privateSeries As Double
Public Property Series() As Double
Get
Return privateSeries
End Get
Set(ByVal value As Double)
privateSeries = value
End Set
End Property
End Class
End Namespace