-
Notifications
You must be signed in to change notification settings - Fork 0
/
UserControl_Panel.cs
73 lines (62 loc) · 2.24 KB
/
UserControl_Panel.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace wf_usercontrol_test_20190715
{
public partial class UserControl_Panel : UserControl
{
private int radius = 15;//弧度半径
public int Radius
{
get { return radius; }
set { radius = value; }
}
private Color borderColor = Color.Red;
public Color BorderColor
{
get { return borderColor; }
set { borderColor = value; }
}
public UserControl_Panel()
{
InitializeComponent();
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
int width = this.Width;
int height = this.Height;
int d = 2 * radius;
int p = 1;//偏移量
Pen borderPen = new Pen(borderColor, 1);
Brush brush = new SolidBrush(this.BackColor);
//左上
g.DrawPie(borderPen, new Rectangle(0, 0, d, d), 180, 90);
g.FillPie(brush, new Rectangle(p, p, d, d), 180, 90);
//左下
g.DrawPie(borderPen, new Rectangle(0, height - d, d, d), 90, 90);
g.FillPie(brush, new Rectangle(p, height - d - p, d, d), 90, 90);
//右上
g.DrawPie(borderPen, new Rectangle(width - d, 0, d, d), 270, 90);
g.FillPie(brush, new Rectangle(width - d - p, p, d, d), 270, 90);
//右下
g.DrawPie(borderPen, new Rectangle(width - d, height - d, d, d), 0, 90);
g.FillPie(brush, new Rectangle(width - d - p, height - d - p, d, d), 0, 90);
//左边竖线
g.DrawLine(borderPen, 0, radius, 0, height - radius);
//上边竖线
g.DrawLine(borderPen, radius, 0, width - radius, 0);
//右边竖线
g.DrawLine(borderPen, width - 1, radius - 3, width - 1, height - radius + 3);
//下边竖线
g.DrawLine(borderPen, radius - 3, height - 1, width - radius + 3, height - 1);
}
}
}