Visual Basic中,对于文本比较好的处理方式.

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "主窗体"
   ClientHeight    =   2535
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   3075
   LinkTopic       =   "Form1"
   ScaleHeight     =   2535
   ScaleWidth      =   3075
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command13 
      Caption         =   "结束"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   960
      TabIndex        =   2
      Top             =   1800
      Width           =   1215
   End
   Begin VB.CommandButton Command12 
      Caption         =   "画圆"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   960
      TabIndex        =   1
      Top             =   1080
      Width           =   1215
   End
   Begin VB.CommandButton Command11 
      Caption         =   "输入参数"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   825
      TabIndex        =   0
      Top             =   360
      Width           =   1440
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command11_Click()    '主窗体“输入参数”按钮
    Form1.Hide                   '隐藏主窗体
    Form2.Show                   '显示“输入参数”窗体
End Sub
Private Sub Command12_Click()    '主窗体“画圆”按钮
    Form1.Hide                   '隐藏主窗体
    Form3.Show                   '显示“画圆”窗体
End Sub
Private Sub Command13_Click()    '主窗体“结束”按钮
    Unload Form1
    Unload Form2
    Unload Form3
    End
End Sub