5-1.frm

vb6.0编程实例详解,很详细的介绍,对学习VB有帮助

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   2385
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4575
   LinkTopic       =   "Form1"
   ScaleHeight     =   2385
   ScaleWidth      =   4575
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "结束"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2760
      TabIndex        =   2
      Top             =   1320
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "输入"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   600
      TabIndex        =   1
      Top             =   1320
      Width           =   1215
   End
   Begin VB.Label Label1 
      Caption         =   "输入信息显示"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   840
      TabIndex        =   0
      Top             =   480
      Width           =   2175
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim FormWidth As Long
Dim FormHeight As Long

Private Sub Command1_Click()
    Dim InPutString As String
    
    InPutString = InputBox("请输入文本信息", "输入", Label1)
    '调用InputBox函数获得输入
    If Len(InPutString) > 0 Then
    '判断输入文本
        Label1.Caption = InPutString '在标签中显示输入文本
    End If
End Sub

Private Sub Command2_Click()
    Dim Rpt As Integer
    
    '显示信息警告
    Rpt = MsgBox("程序将要结束，结束吗 ？", vbYesNo + vbExclamation + vbDefaultButton2, "退出警告")
    If Rpt = vbYes Then '如果用户选择"是"
        Unload Me  '结束程序
    End If
End Sub

Private Sub Form_Activate()
    Dim i As Integer
    Dim v As Single
    
    v = (FormHeight - Height) / (FormWidth - Width)
    For i = Width To FormWidth Step 10
        Width = i
        Height = i * v + (FormHeight - v * FormWidth) 'y = kx +b
        DoEvents
    Next i
End Sub

Private Sub Form_Load()
    FormHeight = Height
    FormWidth = Width
    Width = 0
    Height = 0
End Sub

Private Sub Form_Resize()
    Top = (Screen.Height - Me.Height) / 2
    Left = (Screen.Width - Me.Width) / 2
End Sub