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    (1)新建工程
      先新建一个工程(工程类型为标准EXE),然后用“工具箱”中的工具加入一个Timer1(计时器)和line1(直线),其index(指针)分别设置为空和0。然后双击Form1窗体,输入源代码。

    Option Explicit

    'Private Sub Form_Load()
    ' Timer1.Interval = 100
    ' Width = 4000
    ' Height = 4000
    ' Left = Screen.Width \ 2 - 2000
    ' Top = (Screen.Height - Height) \ 2
    'End Sub
    Private Sub Form_Load()
    Timer1.Interval = 100
    Width = 4000
    Height = 4000
    Left = Screen.Width \ 2 - 2000
    Top = (Screen.Height - Height) \ 2
    Dim i, Angle
    Static flag As Boolean
    If flag = False Then
    flag = True
    End If
    For i = 0 To 14
    '画出表盘12个点和时、分、秒共15个LINE
    If i > 0 Then
    Load Line1(i)
    Line1(i).Visible = True
    Line1(i).BorderWidth = 2
    Line1(i).BorderColor = RGB(0, 128, 0) '设置LINE的粗细和颜色
    End If
    Next i

    For i = 0 To 14
    Scale (-1, 1)-(1, -1)
    Angle = i * 2 * Atn(1) / 3
    Line1(i).X1 = 0.9 * Cos(Angle)
    Line1(i).Y1 = 0.9 * Sin(Angle)
    Line1(i).X2 = Cos(Angle)
    Line1(i).Y2 = Sin(Angle)
    Next i
    End Sub

    Private Sub Form_Unload(Cancel As Integer)
    Unload Me
    End Sub

    Private Sub Timer1_Timer()

    Const HH = 0
    Const MH = 13
    Const SH = 14
    Dim Angle
    Static LS
    If Second(Now) = LS Then Exit Sub
    LS = Second(Now)
    Angle = 0.5236 * (15 - (Hour(Now) + Minute(Now) / 60)) '设置时针
    Line1(HH).X1 = 0
    Line1(HH).Y1 = 0
    Line1(HH).X2 = 0.3 * Cos(Angle)
    Line1(HH).Y2 = 0.3 * Sin(Angle)
    Angle = 0.1047 * (75 - (Minute(Now) + Second(Now) / 60)) '设置分针
    Line1(MH).X1 = 0
    Line1(MH).Y1 = 0
    Line1(MH).X2 = 0.7 * Cos(Angle)
    Line1(MH).Y2 = 0.7 * Sin(Angle)
    Angle = 0.5236 * (75 - Second(Now))
    '设置秒针
    Line1(SH).X1 = 0
    Line1(SH).Y1 = 0
    Line1(SH).X2 = 0.8 * Cos(Angle)
    Line1(SH).Y2 = 0.8 * Sin(Angle)
    Form1.Caption = Str(Now())

    End Sub

     

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  • 原文地址:https://www.cnblogs.com/rosesmall/p/2773339.html
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