📄 例[6-6].frm
字号:
VERSION 5.00
Begin VB.Form Form1
Caption = "例[6-6] 用Pset方法画曲线"
ClientHeight = 2295
ClientLeft = 60
ClientTop = 345
ClientWidth = 3450
LinkTopic = "Form1"
ScaleHeight = 2295
ScaleWidth = 3450
StartUpPosition = 3 '窗口缺省
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Form_Click()
Scale (-1, 1)-(1, -1) '用户自定义坐标
ForeColor = vbRed '设置窗体的前景颜色为红色
For t = 0 To 2 * 3.1415926 Step 0.001
x = Sin(2 * t) * Cos(t)
y = Sin(2 * t) * Sin(t)
PSet (x, y), RGB(255, 0, 0) '在坐标(x,y)处用窗体的前景颜色画点
Next t
End Sub
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