frmdisplay.frm

Visual Basic 6 大学教程的代码

VERSION 5.00
Begin VB.Form frmDisplay 
   Caption         =   "Fig. 4.8: Displaying characters in a label"
   ClientHeight    =   2415
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5355
   LinkTopic       =   "Form1"
   ScaleHeight     =   2415
   ScaleWidth      =   5355
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton cmdPrint 
      Caption         =   "Print"
      Height          =   495
      Left            =   2100
      TabIndex        =   2
      Top             =   1815
      Width           =   1215
   End
   Begin VB.TextBox txtInput 
      Height          =   300
      Left            =   3405
      MaxLength       =   1
      TabIndex        =   0
      Top             =   195
      Width           =   1215
   End
   Begin VB.Label lblPrompt 
      Caption         =   "Enter an Integer (1-9) and press Print:"
      Height          =   270
      Left            =   540
      TabIndex        =   3
      Top             =   225
      Width           =   2730
   End
   Begin VB.Label lblDisplay 
      Alignment       =   2  'Center
      BeginProperty Font 
         Name            =   "Courier"
         Size            =   48
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1050
      Left            =   60
      TabIndex        =   1
      Top             =   615
      Width           =   5220
   End
End
Attribute VB_Name = "frmDisplay"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' Fig 4.8
' Program displays #'s in a Label
Option Explicit                ' General Declaration

Private Sub cmdPrint_Click()
   Dim counter As Integer      ' Declaration
   
   counter = txtInput.Text     ' Get number of characters
   lblDisplay.Caption = ""     ' Clear Label
   
   ' Repeat the statements between Do While and Loop
   ' until counter has a value of 0.
   Do While counter > 0
      lblDisplay.Caption = lblDisplay.Caption & "#"
      counter = counter - 1      ' Decrement number
   Loop

End Sub