1 using System;
2 using System.Collections.Generic;
3 using System.ComponentModel;
4 using System.Data;
5 using System.Drawing;
6 using System.Linq;
7 using System.Text;
8 using System.Threading.Tasks;
9 using System.Windows.Forms;
10
11 namespace WinGPChat.master
12 {
13 public partial class formBase : Form
14 {
15 public formBase()
16 {
17 InitializeComponent();
18 }
19 private Point mPoint = new Point();
20 private void formBase_Load(object sender, EventArgs e)
21 {
22 this.MouseDown+=formBase_MouseDown;
23 this.MouseMove+=formBase_MouseMove;
24 }
25
26 protected void formBase_MouseMove(object sender, MouseEventArgs e)
27 {
28 if (e.Button == MouseButtons.Left)
29 {
30 Point myPosittion = MousePosition;
31 myPosittion.Offset(-mPoint.X, -mPoint.Y);
32 this.FindForm().Location = myPosittion;
33 }
34 }
35
36 protected void formBase_MouseDown(object sender, MouseEventArgs e)
37 {
38 mPoint.X = e.X;
39 mPoint.Y = e.Y;
40 }
41
42 /// <summary>
43 /// 重写Paint实现细边框
44 /// </summary>
45 /// <param name="e"></param>
46 protected override void OnPaint(PaintEventArgs e)
47 {
48 Pen pen = new Pen(Color.Gray,1);
49 e.Graphics.DrawLine(pen, new Point(0, 0), new Point(this.Width-1, 0)); //上
50 e.Graphics.DrawLine(pen, new Point(0, 0), new Point(0, this.Height-1)); //左
51 e.Graphics.DrawLine(pen, new Point(this.Width-1, 0), new Point(this.Width-1, this.Height-1));//右
52 e.Graphics.DrawLine(pen, new Point(0, this.Height-1), new Point(this.Width-1, this.Height-1));//下
53 base.OnPaint(e);
54 }
55
56 /// <summary>
57 /// 无边框重写点击icon实现窗体最大化和最小化
58 /// </summary>
59 protected override CreateParams CreateParams
60 {
61 get
62 {
63 CreateParams cp = base.CreateParams;
64 cp.Style = cp.Style | 0x20000;//允许最小化操作
65 return cp;
66 }
67 }
68
69
70 }
71 }
