cyf
90 lines
3.5 KiB
C#
90 lines
3.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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namespace NewMyFormDesigner
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{
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public partial class LabelGroupBox : GroupBox
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{
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//边框和标题颜色
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private Color GroupBoxColor = Color.Black;
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[Browsable(true), Description("边框颜色"), Category("自定义分组")]
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public Color BorderColor
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{
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get { return GroupBoxColor; }
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set { GroupBoxColor = value; }
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}
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//标题位置
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//left = 1,
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//Center = 2,
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//right = 3,
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private int Position = 1;
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public int TitlePosition
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{
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get { return Position; }
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set { Position = value; }
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}
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public LabelGroupBox()
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{
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InitializeComponent();
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}
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public LabelGroupBox(IContainer container)
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{
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container.Add(this);
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InitializeComponent();
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}
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// 重写 把控件重新绘制
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protected override void OnPaint(PaintEventArgs e)
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{
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var vSize = e.Graphics.MeasureString(this.Text, this.Font);
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e.Graphics.Clear(this.BackColor);
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Pen vPen = new Pen(this.GroupBoxColor); // 用属性颜色来画边框颜色
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if (Position == 2)
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{
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e.Graphics.DrawString(this.Text, this.Font, new SolidBrush(this.GroupBoxColor), (this.Width - vSize.Width) / 2, 1);//标题
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e.Graphics.DrawLine(vPen, 1, vSize.Height / 2, (this.Width - vSize.Width) / 2, vSize.Height / 2);//上左
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e.Graphics.DrawLine(vPen, (this.Width - vSize.Width) / 2 + vSize.Width, vSize.Height / 2, this.Width - 2, vSize.Height / 2);//上右
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e.Graphics.DrawLine(vPen, 1, vSize.Height / 2, 1, this.Height - 2);//左
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e.Graphics.DrawLine(vPen, 1, this.Height - 2, this.Width - 2, this.Height - 2);//下
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e.Graphics.DrawLine(vPen, this.Width - 2, vSize.Height / 2, this.Width - 2, this.Height - 2);//右
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}
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else if (Position ==3)
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{
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e.Graphics.DrawString(this.Text, this.Font, new SolidBrush(this.GroupBoxColor), this.Width - vSize.Width - 2, 1);//标题
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e.Graphics.DrawLine(vPen, 1, vSize.Height / 2, this.Width - vSize.Width - 2, vSize.Height / 2);//上左
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e.Graphics.DrawLine(vPen, this.Width - 4, vSize.Height / 2, this.Width - 2, vSize.Height / 2);//上右
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e.Graphics.DrawLine(vPen, 1, vSize.Height / 2, 1, this.Height - 2);//左
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e.Graphics.DrawLine(vPen, 1, this.Height - 2, this.Width - 2, this.Height - 2);//下
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e.Graphics.DrawLine(vPen, this.Width - 2, vSize.Height / 2, this.Width - 2, this.Height - 2);//右
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}else
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{
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e.Graphics.DrawString(this.Text, this.Font, new SolidBrush(this.GroupBoxColor), 10, 1);//标题
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e.Graphics.DrawLine(vPen, 1, vSize.Height / 2, 8, vSize.Height / 2);//上左
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e.Graphics.DrawLine(vPen, vSize.Width + 8, vSize.Height / 2, this.Width - 2, vSize.Height / 2);//上右
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e.Graphics.DrawLine(vPen, 1, vSize.Height / 2, 1, this.Height - 2);//左
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e.Graphics.DrawLine(vPen, 1, this.Height - 2, this.Width - 2, this.Height - 2);//下
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e.Graphics.DrawLine(vPen, this.Width - 2, vSize.Height / 2, this.Width - 2, this.Height - 2);//右
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}
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}
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}
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}
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