【VB开源代码栏目提醒】：本文主要为网学会员提供Ex2_6.frm，希望对需要Ex2_6.frm网友有所帮助，学习一下!

    VERSION 5.00
    Begin VB.Form Ex2_6 
       Caption         =   "Form1"
       ClientHeight    =   3075
       ClientLeft      =   60
       ClientTop       =   450
       ClientWidth     =   4560
       LinkTopic       =   "Form1"
       ScaleHeight     =   3075
       ScaleWidth      =   4560
       StartUpPosition =   3  '窗口缺省
       Begin VB.TextBox Text4 
          Height          =   375
          Left            =   2160
          TabIndex        =   6
          Top             =   2160
          Width           =   1455
       End
       Begin VB.TextBox Text3 
          Height          =   375
          Left            =   2160
          TabIndex        =   5
          Top             =   1560
          Width           =   1455
       End
       Begin VB.CommandButton Command2 
          Caption         =   "用""&&""连接"
          Height          =   375
          Left            =   960
          TabIndex        =   4
          Top             =   2160
          Width           =   1095
       End
       Begin VB.CommandButton Command1 
          Caption         =   "用""+""连接"
          Height          =   375
          Left            =   960
          TabIndex        =   3
          Top             =   1560
          Width           =   1095
       End
       Begin VB.TextBox Text2 
          Height          =   375
          Left            =   2160
          TabIndex        =   2
          Top             =   960
          Width           =   1455
       End
       Begin VB.TextBox Text1 
          Height          =   375
          Left            =   960
          TabIndex        =   1
          Top             =   960
          Width           =   1095
       End
       Begin VB.Label Label1 
          Caption         =   "输入两个字符串："
          Height          =   255
          Left            =   480
          TabIndex        =   0
          Top             =   240
          Width           =   1575
       End
    End
    Attribute VB_Name = "Ex2_6"
    Attribute VB_GlobalNameSpace = False
    Attribute VB_Creatable = False
    Attribute VB_PredeclaredId = True
    Attribute VB_Exposed = False
    
    'Dim str1 As Integer, str2 As String
    Dim str1 As String, str2 As String
    
    Private Sub Command1_Click()
        str1 = Text1.Text
        str2 = Text2.Text
        Text3.Text = str1 + str2
    End Sub
    Private Sub Command2_Click()
        Text4.Text = str1 & str2
    End Sub