form1.frm

这里有很多很实用的VB编程案例,方便大家学习VB.

VERSION 5.00
Begin VB.Form Form1 
   AutoRedraw      =   -1  'True
   Caption         =   "时钟"
   ClientHeight    =   3240
   ClientLeft      =   1800
   ClientTop       =   1590
   ClientWidth     =   4050
   FillStyle       =   0  'Solid
   LinkTopic       =   "Form1"
   ScaleHeight     =   3240
   ScaleWidth      =   4050
   Begin VB.Timer Timer1 
      Enabled         =   0   'False
      Interval        =   250
      Left            =   2895
      Top             =   0
   End
   Begin VB.CommandButton cmdStart 
      Caption         =   "Start"
      Height          =   300
      Left            =   0
      TabIndex        =   0
      Top             =   2865
      Width           =   600
   End
   Begin VB.Line Line1 
      BorderColor     =   &H80000001&
      BorderWidth     =   2
      X1              =   15
      X2              =   15
      Y1              =   120
      Y2              =   720
   End
   Begin VB.Line Line2 
      BorderColor     =   &H80000001&
      X1              =   135
      X2              =   135
      Y1              =   120
      Y2              =   720
   End
   Begin VB.Line Line3 
      BorderColor     =   &H00C00000&
      X1              =   255
      X2              =   255
      Y1              =   120
      Y2              =   720
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public XS
Public YS
Private Function clock(X)
    Pi = 3.1415
    RAD = Pi / 180
    clock = X * RAD
End Function


Private Sub Form_Load()
    XS = Form1.Width / 2
    YS = (Form1.Height / 2) - 120
    Form1.Font.Name = "Courier New"
    For AB = 0 To 359 Step 30
        A = Sin(clock(AB))
        B = -(Cos(clock(AB)))
        If AB = 0 Then CNT = 360 Else CNT = AB
        TX$ = Trim(Int((CNT) / 30))
        Form1.Line ((A * 800) + XS, (B * 800) + YS)-((A * 1000) + XS, (B * 1000) + YS), RGB(0, 0, 0)
        Form1.CurrentX = (A * 1200) + XS - (Form1.TextWidth(TX$) / 2)
        Form1.CurrentY = (B * 1200) + YS - (Form1.TextHeight(TX$) / 2)
        Form1.Print TX$
    Next AB
    Form1.Line1.X1 = XS
    Form1.Line1.Y1 = YS
    Form1.Line2.X1 = XS
    Form1.Line2.Y1 = YS
    Form1.Line3.X1 = XS
    Form1.Line3.Y1 = YS
    Call Timer1_Timer
End Sub

Private Sub cmdStart_Click()
    If Timer1.Enabled = True Then
        Timer1.Enabled = False
        cmdStart.Caption = "Start"
    Else
        Timer1.Enabled = True
        cmdStart.Caption = "Stop"
    End If
    
End Sub

Private Sub Timer1_Timer()
    W = Timer
    X = W / 120
    Y = W * 6
    Z = W / 10
    A = Sin(clock(X))
    B = -(Cos(clock(X)))
    Form1.Line1.X2 = (A * 600) + XS
    Form1.Line1.Y2 = (B * 600) + YS
    C = Sin(clock(Y))
    D = -(Cos(clock(Y)))
    Form1.Line3.X2 = (C * 800) + XS
    Form1.Line3.Y2 = (D * 800) + YS
    E = Sin(clock(Z))
    f = -(Cos(clock(Z)))
    Form1.Line2.X2 = (E * 800) + XS
    Form1.Line2.Y2 = (f * 800) + YS
End Sub