DrawPie
DrawPie方法用于绘制饼形图，饼形图是一个圆形(或椭圆)的一部分，DrawPie的法为：
DrawPie(pen, rect, startAngle, sweepAngle)
| 参数 | 说明 |
| pen | 画笔 |
| rect | RectangleF类型，用于定义圆形(或椭圆)所在的四边形 |
| startAngle | 饼形图的起始角度 |
| sweepAngle | 饼形图的扫掠角度 |
示例
Dim
file
As
String
=
"c:\temp\test.pdf"
Dim
pdc
As
New
PDFCreator()
Dim
rect
As
New
RectangleF(100, 100, 250, 250)
pdc.DrawRectangle(pens.PowderBlue, rect,
New
SizeF(10, 10))
Dim
statAngle
As
Integer
= 0
Dim
sweepAngle
As
Integer
= 45
For
i
As
Integer
= 0
To
4
pdc.DrawPie(pens.BurlyWood, rect, statAngle, sweepAngle)
statAngle = statAngle + sweepAngle
Next
pdc.Save(file)
pdc.Show()
生成的文档为：