数据文件_编辑f1.frm

<VB数理统计实用算法>书中的算法源程序

VERSION 5.00
Begin VB.Form frmDisplayRowCol 
   Appearance      =   0  'Flat
   BackColor       =   &H80000005&
   Caption         =   "显示文件的列数和行数、总行数"
   ClientHeight    =   2025
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6420
   LinkTopic       =   "Form1"
   ScaleHeight     =   2025
   ScaleWidth      =   6420
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton cmdExit 
      Caption         =   "退  出"
      Height          =   375
      Left            =   4920
      TabIndex        =   9
      ToolTipText     =   "结束程序运行"
      Top             =   1440
      Width           =   1215
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确  定"
      Height          =   375
      Left            =   3600
      TabIndex        =   8
      ToolTipText     =   "单击后，按列数或行数或用文本框或用网格"
      Top             =   1440
      Width           =   1215
   End
   Begin VB.Label lblRowAllCount 
      Alignment       =   2  'Center
      Appearance      =   0  'Flat
      BackColor       =   &H80000005&
      BorderStyle     =   1  'Fixed Single
      ForeColor       =   &H80000008&
      Height          =   375
      Left            =   4800
      TabIndex        =   7
      Top             =   720
      Width           =   975
   End
   Begin VB.Label lblRowCount 
      Alignment       =   2  'Center
      Appearance      =   0  'Flat
      BackColor       =   &H80000005&
      BorderStyle     =   1  'Fixed Single
      ForeColor       =   &H80000008&
      Height          =   375
      Left            =   2520
      TabIndex        =   6
      Top             =   720
      Width           =   975
   End
   Begin VB.Label lblColCount 
      Alignment       =   2  'Center
      Appearance      =   0  'Flat
      BackColor       =   &H80000005&
      BorderStyle     =   1  'Fixed Single
      ForeColor       =   &H80000008&
      Height          =   375
      Left            =   600
      TabIndex        =   5
      Top             =   720
      Width           =   975
   End
   Begin VB.Label Label5 
      Alignment       =   2  'Center
      Appearance      =   0  'Flat
      BackColor       =   &H80000005&
      Caption         =   "（包括图题、列标和行标）"
      ForeColor       =   &H80000008&
      Height          =   375
      Left            =   4080
      TabIndex        =   4
      Top             =   360
      Width           =   2415
   End
   Begin VB.Label Label4 
      Alignment       =   2  'Center
      Appearance      =   0  'Flat
      BackColor       =   &H80000005&
      Caption         =   "（不计图题、列标和行标）"
      ForeColor       =   &H80000008&
      Height          =   375
      Left            =   1920
      TabIndex        =   3
      Top             =   360
      Width           =   2295
   End
   Begin VB.Label Label3 
      Alignment       =   2  'Center
      Appearance      =   0  'Flat
      BackColor       =   &H80000005&
      Caption         =   "文件的总行数"
      ForeColor       =   &H80000008&
      Height          =   255
      Left            =   4440
      TabIndex        =   2
      Top             =   120
      Width           =   1695
   End
   Begin VB.Label Label2 
      Alignment       =   2  'Center
      Appearance      =   0  'Flat
      BackColor       =   &H80000005&
      Caption         =   "文件的行数"
      ForeColor       =   &H80000008&
      Height          =   255
      Left            =   2160
      TabIndex        =   1
      Top             =   120
      Width           =   1695
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      Appearance      =   0  'Flat
      BackColor       =   &H80000005&
      Caption         =   "文件的列数"
      ForeColor       =   &H80000008&
      Height          =   255
      Left            =   240
      TabIndex        =   0
      Top             =   120
      Width           =   1695
   End
End
Attribute VB_Name = "frmDisplayRowCol"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'显示文件的列数、行数和总行数
Option Explicit
Private Sub Form_Load()
    Dim vntA As Variant, intI As Integer, intJ As Integer
    intFileNumber = FreeFile                    '取得文件号码
    Open strFileName For Input As intFileNumber '打开文件
    Input #intFileNumber, vntA                  '读列数
    intCol = vntA
    lblColCount = intCol                        '在标签中显示列数
    For intJ = 2 To intCol                      '读*******
        Input #intFileNumber, vntA
    Next intJ
    Input #intFileNumber, vntA                  '读行数
    intRow = vntA
    lblRowCount = intRow                        '在标签中显示行数
    For intJ = 2 To intCol                      '读*******
        Input #intFileNumber, vntA
    Next intJ
    Input #intFileNumber, vntA                  '读总行数
    intRowAll = vntA
    lblRowAllCount = intRowAll                  '在标签中显示总行数
    For intJ = 2 To intCol                      '读*******
        Input #intFileNumber, vntA
    Next intJ
    Close
End Sub

'确定
Private Sub cmdOK_Click()
    Unload Me                           '卸载当前窗体
    blnTitle = False: blnRowLabel = False: blnColLabel = False
'优先考虑图题
    If intRowAll > intRow + 3 Then blnTitle = True
'其次考虑行标
    If intRowAll > 2 * intRow Then blnRowLabel = True
'最后考虑列标
    If intRowAll = 2 * intRow + 5 Then blnColLabel = True
'按行数和列数重新定义数组
    ReDim vntArray(1 To intRowAll, 1 To intCol)
    If intRowAll > 30 Or intCol > 14 Then
'30和14这两个参数与显示屏有关，需要按实际情况修改
        frmGrid.Visible = True     '显示网格编辑数据窗体
    Else
        frmText.Visible = True         '显示文本框编辑数据窗体
    End If
End Sub

'退出
Private Sub cmdExit_Click()
    Unload Me
    End
End Sub