35 lines
1.2 KiB
C#
35 lines
1.2 KiB
C#
using System.ComponentModel;
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using System.Drawing;
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using System.Windows.Forms;
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namespace C_Windows_1
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{
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public partial class MyGroupBox : GroupBox //Component
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{
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public MyGroupBox()
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{
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InitializeComponent();
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}
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public MyGroupBox(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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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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e.Graphics.DrawLine(Pens.DarkSlateGray, 1, vSize.Height / 2, 8, vSize.Height / 2);
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e.Graphics.DrawLine(Pens.DarkSlateGray, vSize.Width + 8, vSize.Height / 2, this.Width - 2, vSize.Height / 2);
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e.Graphics.DrawLine(Pens.DarkSlateGray, 1, vSize.Height / 2, 1, this.Height - 2);
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e.Graphics.DrawLine(Pens.DarkSlateGray, 1, this.Height - 2, this.Width - 2, this.Height - 2);
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e.Graphics.DrawLine(Pens.DarkSlateGray, 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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