Dim prehr, premin
Dim yuanSub drawcircle()
Dim r, i, x, y
'DrawMode = 10
Const pi = 3.1415926
DrawWidth = 2
r = 8
Circle (0, 0), r
FillStyle = 0
FillColor = vbBlack
For i = 1 To 12 Step 1 x = 7.5 * Sin(i * pi / 6)
y = 7.5 * Cos(i * pi / 6)
Circle (x, y), 0.2, vbRed
Next iEnd Sub
Private Sub Form_Load()
Dim x, y
Form1.Width = Form1.Height
ScaleWidth = 20
ScaleHeight = 20
x = ScaleWidth / 2
y = ScaleHeight / 2
Scale (-x, y)-(x, -y)
yuan = True
End SubPrivate Sub Timer1_Timer()
Dim x, y
Dim ttime
Dim hr, min, sec, h
ttime = Now
hr = Hour(ttime)
min = Minute(ttime)
miao = Second(ttime)
If yuan = True Then
drawcircle
End If
If yuan = True Then
DrawMode = 10
h = hr Mod 12
h = hr * 5 + min / 12
x = 5 * Sin(h * pi / 30)
y = 5 * Cos(h * pi / 30)
Line (0, 0)-(x, y), vbBlack
prehr = hr
x = 6 * Sin(min * pi / 30)
y = 6 * Cos(min * pi / 30)
Line (0, 0)-(x, y), vbGreen
premin = min
End If
DrawMode = 10
If premin <> min Then
h = prehr * 5 + premin / 12
x = 5 * Sin(h * pi / 30)
y = 5 * Cos(h * pi / 30)
Line (0, 0)-(x, y), vbBlack
x = 6 * Sin(premin * pi / 30)
y = 6 * Cos(premin * pi / 30)
Line (0, 0)-(X1, Y1), vbGreen
h = hr * 5 + min / 12
x = 5 * Sin(h * pi / 30)
y = 5 * Cos(h * pi / 30)
Line (0, 0)-(x, y), vbBlack
prehr = hr
x = 6 * Sin(min * pi / 30)
y = 6 * Cos(min * pi / 30)
Line (0, 0)-(x, y), vbGreen
premin = min
End If
yuan = False '没有此项则表盘会变黑。变量yuan没有释放
End Sub
Dim yuanSub drawcircle()
Dim r, i, x, y
'DrawMode = 10
Const pi = 3.1415926
DrawWidth = 2
r = 8
Circle (0, 0), r
FillStyle = 0
FillColor = vbBlack
For i = 1 To 12 Step 1 x = 7.5 * Sin(i * pi / 6)
y = 7.5 * Cos(i * pi / 6)
Circle (x, y), 0.2, vbRed
Next iEnd Sub
Private Sub Form_Load()
Dim x, y
Form1.Width = Form1.Height
ScaleWidth = 20
ScaleHeight = 20
x = ScaleWidth / 2
y = ScaleHeight / 2
Scale (-x, y)-(x, -y)
yuan = True
End SubPrivate Sub Timer1_Timer()
Dim x, y
Dim ttime
Dim hr, min, sec, h
ttime = Now
hr = Hour(ttime)
min = Minute(ttime)
miao = Second(ttime)
If yuan = True Then
drawcircle
End If
If yuan = True Then
DrawMode = 10
h = hr Mod 12
h = hr * 5 + min / 12
x = 5 * Sin(h * pi / 30)
y = 5 * Cos(h * pi / 30)
Line (0, 0)-(x, y), vbBlack
prehr = hr
x = 6 * Sin(min * pi / 30)
y = 6 * Cos(min * pi / 30)
Line (0, 0)-(x, y), vbGreen
premin = min
End If
DrawMode = 10
If premin <> min Then
h = prehr * 5 + premin / 12
x = 5 * Sin(h * pi / 30)
y = 5 * Cos(h * pi / 30)
Line (0, 0)-(x, y), vbBlack
x = 6 * Sin(premin * pi / 30)
y = 6 * Cos(premin * pi / 30)
Line (0, 0)-(X1, Y1), vbGreen
h = hr * 5 + min / 12
x = 5 * Sin(h * pi / 30)
y = 5 * Cos(h * pi / 30)
Line (0, 0)-(x, y), vbBlack
prehr = hr
x = 6 * Sin(min * pi / 30)
y = 6 * Cos(min * pi / 30)
Line (0, 0)-(x, y), vbGreen
premin = min
End If
yuan = False '没有此项则表盘会变黑。变量yuan没有释放
End Sub
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Dim yuanSub drawcircle()
Dim r, i, x, y
'DrawMode = 10
Const pi = 3.1415926
DrawWidth = 2
r = 8
Circle (0, 0), r
FillStyle = 0
FillColor = vbBlack
For i = 1 To 12 Step 1 x = 7.5 * Sin(i * pi / 6)
y = 7.5 * Cos(i * pi / 6)
Circle (x, y), 0.2, vbRed
Next i
End SubPrivate Sub Form_Load()
Dim x, y
Form1.Width = Form1.Height
ScaleWidth = 20
ScaleHeight = 20
x = ScaleWidth / 2
y = ScaleHeight / 2
Scale (-x, y)-(x, -y)
yuan = True
End SubPrivate Sub Timer1_Timer()
Dim x, y
Dim ttime
Dim hr, min, sec, h
ttime = Now
hr = Hour(ttime)
min = Minute(ttime)
miao = Second(ttime)
If yuan = True Then
drawcircle
End If
If yuan = True Then
DrawMode = 10
h = hr Mod 12
h = hr * 5 + min / 12
x = 5 * Sin(h * pi / 30)
y = 5 * Cos(h * pi / 30)
Line (0, 0)-(x, y), vbBlack
prehr = hr
x = 6 * Sin(min * pi / 30)
y = 6 * Cos(min * pi / 30)
Line (0, 0)-(x, y), vbGreen
premin = min
End If
DrawMode = 10
If premin <> min Then
h = prehr * 5 + premin / 12
x = 5 * Sin(h * pi / 30)
y = 5 * Cos(h * pi / 30)
Line (0, 0)-(x, y), vbBlack
x = 6 * Sin(premin * pi / 30)
y = 6 * Cos(premin * pi / 30)
Line (0, 0)-(x, y), vbGreen
h = hr * 5 + min / 12
x = 5 * Sin(h * pi / 30)
y = 5 * Cos(h * pi / 30)
Line (0, 0)-(x, y), vbBlack
prehr = hr
x = 6 * Sin(min * pi / 30)
y = 6 * Cos(min * pi / 30)
Line (0, 0)-(x, y), vbGreen
premin = min
End If
yuan = False '没有此项则表盘会变黑。变量yuan没有释放
End Sub
1因为你没有定义pi,难道你定义在模块文件里面了,这里没看到,所以pi是0
2你是直接画在窗体上的.窗体的autodraw属性一定要是true
3给你的工程加上Option Explicit
4在工具->选项->要求变量声明 点上对勾...确定
5你在timer_timer设置断点了没有,你的timer启动了嘛?
6
Sub drawcircle()
Dim r, i, x, y
'DrawMode = 10
Const pi = 3.1415926
这里pi不过是这个过程的局部常熟,和其他部分用的pi没有关系,除非你把他pi的声明放在窗体级,模块级设置里面.