form1.frm

Visual Basic程序设计基础》-杨小影-源代码

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3150
   ClientLeft      =   60
   ClientTop       =   390
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3150
   ScaleWidth      =   4680
   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()
Const pi = 3.1415926
Scale (-50, 40)-(50, -40)                 '设置用户坐标系统，窗体中心为坐标原点
DrawWidth = 2
Circle (0, 0), 30, vbRed, -pi, -pi / 2    '画3/4圆，圆心在坐标原点，红色
Circle Step(-15, 15), 15                  '画小圆，圆心相对大圆偏移（-15，15）
Circle Step(0, 0), 15, vbBlue, , , 5 / 25 '画椭圆，椭圆心与小圆重合

End Sub