xy.frm

Delphi Component - Chart Fx

VERSION 5.00
Object = "{8996B0A4-D7BE-101B-8650-00AA003A5593}#4.0#0"; "CFX4032.OCX"
Begin VB.Form Form1 
   Caption         =   "Chart FX. X/Y Charts"
   ClientHeight    =   5565
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   8130
   LinkTopic       =   "Form1"
   ScaleHeight     =   5565
   ScaleWidth      =   8130
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton Command1 
      Caption         =   "Set X Values"
      Height          =   375
      Left            =   120
      TabIndex        =   1
      Top             =   5040
      Width           =   1935
   End
   Begin ChartfxLibCtl.ChartFX ChartFX1 
      Height          =   4815
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   7935
      _cx             =   2011042776
      _cy             =   2011042776
      Build           =   7
      TypeMask        =   109576193
      MarkerShape     =   1
      MarkerSize      =   2
      BorderWidth     =   2
      BorderColor     =   16777217
      Axis(0).MinorStep=   -10
      Axis(2).MinorStep=   -1
      Axis(2).TickMark=   -32767
      nPts            =   10
      NumPoint        =   10
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Const CHART_HIDDEN = 1E+308

Private Sub Command1_Click()
    Dim i As Integer
    Dim n As Integer
    
    With ChartFX1
        n = .NValues
        .OpenDataEx COD_XVALUES, 2, n
        For i = 0 To n - 1
            .XValueEx(0, i) = i * i
        Next i
        For i = 0 To n - 1 - 3 ' Second series has 3 points less
            .XValueEx(1, i) = i * i * 2
        Next i
        
        ' Hide remaining points
        For i = i To n - 1
            .ValueEx(1, i) = CHART_HIDDEN
        Next i
        .CloseData COD_XVALUES Or COD_SMOOTH
    End With
End Sub