form1.frm

一款简单而小巧的倒计时软件。界面比较简单

VERSION 5.00
Begin VB.Form Form1 
   AutoRedraw      =   -1  'True
   BorderStyle     =   1  'Fixed Single
   Caption         =   "倒计时"
   ClientHeight    =   2745
   ClientLeft      =   3270
   ClientTop       =   1635
   ClientWidth     =   3990
   ControlBox      =   0   'False
   Icon            =   "FORM1.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   PaletteMode     =   1  'UseZOrder
   ScaleHeight     =   2745
   ScaleWidth      =   3990
   Begin VB.Timer Timer1 
      Enabled         =   0   'False
      Left            =   480
      Top             =   840
   End
   Begin VB.CommandButton Command4 
      Caption         =   "退出"
      Height          =   375
      Left            =   2760
      TabIndex        =   8
      Top             =   2160
      Width           =   735
   End
   Begin VB.CommandButton Command3 
      Caption         =   "置零"
      Enabled         =   0   'False
      Height          =   375
      Left            =   1920
      TabIndex        =   7
      Top             =   2160
      Width           =   615
   End
   Begin VB.CommandButton Command2 
      Caption         =   "暂停"
      Height          =   375
      Left            =   1200
      TabIndex        =   6
      Top             =   2160
      Width           =   615
   End
   Begin VB.CommandButton Command1 
      Caption         =   "开始"
      Height          =   375
      Left            =   480
      TabIndex        =   5
      Top             =   2160
      Width           =   615
   End
   Begin VB.TextBox Text3 
      Alignment       =   2  'Center
      Height          =   285
      Left            =   2520
      MultiLine       =   -1  'True
      TabIndex        =   4
      Top             =   480
      Width           =   375
   End
   Begin VB.TextBox Text2 
      Alignment       =   2  'Center
      Height          =   285
      Left            =   1800
      MultiLine       =   -1  'True
      TabIndex        =   3
      Top             =   480
      Width           =   375
   End
   Begin VB.TextBox Text1 
      Alignment       =   2  'Center
      Height          =   285
      Left            =   1080
      MultiLine       =   -1  'True
      TabIndex        =   2
      Top             =   480
      Width           =   375
   End
   Begin VB.Label Label6 
      Alignment       =   2  'Center
      Caption         =   "秒"
      Height          =   255
      Left            =   2520
      TabIndex        =   12
      Top             =   840
      Width           =   375
   End
   Begin VB.Label Label5 
      Alignment       =   2  'Center
      Caption         =   "分钟"
      Height          =   255
      Left            =   1800
      TabIndex        =   11
      Top             =   840
      Width           =   375
   End
   Begin VB.Label Label4 
      Alignment       =   2  'Center
      Caption         =   "小时"
      Height          =   255
      Left            =   1080
      TabIndex        =   10
      Top             =   840
      Width           =   375
   End
   Begin VB.Label Label3 
      Alignment       =   2  'Center
      Caption         =   "剩余时间"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   13.5
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1200
      TabIndex        =   9
      Top             =   1080
      Width           =   1575
   End
   Begin VB.Label Label2 
      Alignment       =   2  'Center
      Caption         =   "设定时间"
      Height          =   255
      Left            =   1080
      TabIndex        =   1
      Top             =   120
      Width           =   1695
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      BackColor       =   &H0000FFFF&
      Caption         =   "00:00:00"
      BeginProperty Font 
         Name            =   "Arial"
         Size            =   14.25
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H000000FF&
      Height          =   375
      Left            =   1200
      TabIndex        =   0
      Top             =   1560
      Width           =   1575
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim Hours As Integer
Dim Minutes As Integer
Dim Seconds As Integer
Dim Time As Date
Private Sub Mydisplay()
'记录用户的输入
    Hours = Val(Text1.Text)
    Minutes = Val(Text2.Text)
    Seconds = Val(Text3.Text)
'将数字转变为时间
    Time = TimeSerial(Hours, Minutes, Seconds)
'在Label1中显示时间
    Label1.Caption = Format$(Time, "hh") & ":" & Format$(Time, "nn") & ":" & Format$(Time, "ss")
End Sub

Private Sub Command1_Click()
'激活Timer控件
    Timer1.Enabled = True
    Command3.Enabled = False
End Sub

Private Sub Command2_Click()
'暂停时间记录
    Timer1.Enabled = False
    Command3.Enabled = True
End Sub

Private Sub Command3_Click()
'重置时间
    Hours = 0
    Minutes = 0
    Seconds = 0
    Time = 0
    Text1.Text = " "
    Text2.Text = " "
    Text3.Text = " "
    Text1.SetFocus 'put curser in the hour text box
End Sub

Private Sub Command4_Click()
'退出程序
    End
End Sub

Private Sub Form_Load()
'使窗口居中
Form1.Top = (Screen.Height - Form1.Height) / 2
Form1.Left = (Screen.Width - Form1.Width) / 2
    Timer1.Interval = 1000
    Hours = 0
    Minutes = 0
    Seconds = 0
    Time = 0
End Sub

Private Sub Text1_Change()
    Mydisplay
End Sub

Private Sub Text2_Change()
    Mydisplay
End Sub

Private Sub Text3_Change()
    Mydisplay
End Sub

Private Sub Timer1_Timer()
'动态改变时间
    Timer1.Enabled = False
    If (Format$(Time, "hh") & ":" & Format$(Time, "nn") & ":" & Format$(Time, "ss")) <> "00:00:00" Then 'Counter to continue loop until 0
        Time = DateAdd("s", -1, Time)
        Label1.Visible = False
        Label1.Caption = Format$(Time, "hh") & ":" & Format$(Time, "nn") & ":" & Format$(Time, "ss")
        Label1.Visible = True
        Timer1.Enabled = True
    Else
        Timer1.Enabled = False
        Beep
        Beep
        Command3.Enabled = True
    End If
End Sub