form1.frm

Visual Basic 6 大学教程的代码

VERSION 5.00
Begin VB.Form frmTrim 
   Caption         =   "Trimming spaces with LTrim, Rtrim and Trim"
   ClientHeight    =   1830
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4935
   LinkTopic       =   "Form1"
   ScaleHeight     =   1830
   ScaleWidth      =   4935
   StartUpPosition =   3  'Windows Default
   Begin VB.ListBox lstOutput 
      Height          =   645
      Left            =   0
      TabIndex        =   3
      Top             =   1200
      Width           =   4935
   End
   Begin VB.TextBox txtInput 
      Height          =   285
      Left            =   0
      TabIndex        =   2
      Top             =   360
      Width           =   4935
   End
   Begin VB.CommandButton cmdTrim 
      Caption         =   "Trim space characters"
      Height          =   375
      Left            =   0
      TabIndex        =   1
      Top             =   720
      Width           =   1815
   End
   Begin VB.Label lblInput 
      Caption         =   "Enter string with leading and trailing spaces"
      Height          =   255
      Left            =   0
      TabIndex        =   0
      Top             =   120
      Width           =   3375
   End
End
Attribute VB_Name = "frmTrim"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' Fig. 8.7
' Using LTrim, RTrim and Trim to remove
' leading and trailing spaces on a string
Option Explicit

Private Sub cmdTrim_Click()
   Call lstOutput.Clear
   Call lstOutput.AddItem("***" & LTrim$(txtInput.Text) & _
                          "***")
   Call lstOutput.AddItem("***" & RTrim$(txtInput.Text) & _
                          "***")
   Call lstOutput.AddItem("***" & Trim$(txtInput.Text) & _
                          "***")
End Sub