using System.Drawing;
using System.Windows.Forms;
namespace RectangleTest
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
Pen pen = new Pen(Color.Orange,3);
g.DrawRectangle(pen,10,10,100,50);
g.DrawLine(pen,new Point(10,70) ,new Point(110,70));
//startangle從X軸順時針方向旋轉起始角
//sweepangle,起始角開始,順時針方向旋轉的角度,機關為度
g.DrawArc(pen,0,50,200,200,0,180);//繪制弧
g.DrawPie(pen,200,50,200,200,0,90);//繪制扇形
}
}
}