例2-7.frm

Visual Basic程序设计基础》-杨小影-源代码

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   2040
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   3435
   LinkTopic       =   "Form1"
   ScaleHeight     =   2040
   ScaleWidth      =   3435
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   1560
      TabIndex        =   2
      Top             =   240
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "开始"
      Height          =   495
      Left            =   360
      TabIndex        =   1
      Top             =   1080
      Width           =   1215
   End
   Begin VB.CommandButton Command2 
      Caption         =   "结束"
      Height          =   495
      Left            =   2040
      TabIndex        =   0
      Top             =   1080
      Width           =   1215
   End
   Begin VB.Label Label1 
      Caption         =   "运行时间"
      Height          =   255
      Left            =   240
      TabIndex        =   3
      Top             =   360
      Width           =   855
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim t1, t2 As Date
Private Sub Command1_Click()
t1 = Now
End Sub
Private Sub Command2_Click()
t2 = Now
Text1.Text = Format(t2 - t1, "hh:mm:ss")
End Sub