心脏线程序(VB6.0源代码编写)
'注释：画抛物线
'清除picture1内的图形
Picture1.Cls
'Scale方法设定用户坐标系，坐标原点在Picture1中心
Picture1.ScaleMode = 0
Picture1.ScaleMode = 3
Picture1.Scale (-20, 20)-(20, -20)
'设置绘线宽度
Picture1.DrawWidth = 1
'绘制坐标系的X轴及箭头线
Picture1.Line (-20, 0)-(20, 0), vbBlue
Picture1.Line (18, 1)-(20, 0), vbBlue
Picture1.Line -(18, -1), vbBlue
Picture1.ForeColor = vbBlue
Picture1.Print "X"
'绘制坐标系的Y轴及箭头线
Picture1.Line (0, 20)-(0, -20), vbBlue
Picture1.Line (1, 18)-(0, 20), vbBlue
Picture1.Line -(-1, 18), vbBlue
Picture1.Print "Y"
'在指定位置显示原点
Picture1.CurrentX = 1
Picture1.CurrentY = -1
Picture1.Print "O"
'重设绘线宽度
Picture1.DrawWidth = 2
'用For循环绘点，使其按心脏线规律变化QQ223857666勾月
