zoukankan      html  css  js  c++  java
  • 时钟

    (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

     

  • 相关阅读:
    去除Html标签
    asp.net弹出多个模态窗口
    window.returnValue的用法
    eTerm-用于报价的指令(GK状态码的使用)
    使用ffmpeg 操作音频文件前后部分静音移除.
    使用Visual Studio 2017开发python,并在iis上部署Python Django
    解决wampserver 服务无法启动
    网站优化记录-通过命令预编译Asp.net 网站,成功优化到毫秒级别。
    Scut游戏引擎改造兼容Codis。
    windows修改Host后未生效。
  • 原文地址:https://www.cnblogs.com/rosesmall/p/2773339.html
Copyright © 2011-2022 走看看