47 lines
1.5 KiB
C#
47 lines
1.5 KiB
C#
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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.Threading.Tasks;
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using System.Windows.Forms;
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namespace JinYuan.ControlLib
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{
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public partial class GroupBoxEX : GroupBox
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{
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private Color mBorderColor = Color.FromArgb(1, 146, 235);
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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 mBorderColor; }
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set { mBorderColor = value; }
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}
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public GroupBoxEX()
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{
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InitializeComponent();
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}
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// 重写
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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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e.Graphics.DrawString(this.Text, this.Font, new SolidBrush(this.ForeColor), 10, 1);
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Pen vPen = new Pen(this.mBorderColor); // 用属性颜色来画边框颜色
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e.Graphics.DrawLine(vPen, 1, vSize.Height / 2, 8, vSize.Height / 2);
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e.Graphics.DrawLine(vPen, vSize.Width + 8, vSize.Height / 2, this.Width - 2, vSize.Height / 2);
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e.Graphics.DrawLine(vPen, 1, vSize.Height / 2, 1, this.Height - 2);
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e.Graphics.DrawLine(vPen, 1, this.Height - 2, this.Width - 2, this.Height - 2);
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e.Graphics.DrawLine(vPen, this.Width - 2, vSize.Height / 2, this.Width - 2, this.Height - 2);
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}
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}
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}
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