using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Test
{
/// <summary>
/// 自定义Label的边线宽度和颜色
/// </summary>
public partial class CustomLabel : Label
{
private int leftWidth = 0;//左边线宽度
private int rightWidth = 0;//右边线宽度
private int topWidth = 0;//上边线宽度
private int bottomWidth = 0;//下边线宽度
private Color borderColor = Color.Black;//边线颜色
public CustomLabel()
{
InitializeComponent();
}
/// <summary>
/// 重写paint方法
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(PaintEventArgs e)
{
ControlPaint.DrawBorder(e.Graphics, this.ClientRectangle,
borderColor, leftWidth, ButtonBorderStyle.Solid,
borderColor, topWidth, ButtonBorderStyle.Solid,
borderColor, rightWidth, ButtonBorderStyle.Solid,
borderColor, bottomWidth, ButtonBorderStyle.Solid);
base.OnPaint(e);
}
[Description("左边线宽度"), Category("自定义属性")]
// 控件的自定义属性值
public int LeftWidth
{
get
{
return leftWidth;
}
set
{
leftWidth = value;
// 此处修改，为自定义属性变动时，执行的操作
// 此处当颜色值属性变动时，使用新的颜色，使自定义控件重绘
this.Invalidate();
}
}
[Description("右边线宽度"), Category("自定义属性")]
// 控件的自定义属性值
public int RightWidth
{
get
{
return rightWidth;
}
set
{
rightWidth = value;
this.Invalidate();
}
}
[Description("上边线宽度"), Category("自定义属性")]
// 控件的自定义属性值
public int TopWidth
{
get
{
return topWidth;
}
set
{
topWidth = value;
this.Invalidate();
}
}
[Description("下边线宽度"), Category("自定义属性")]
// 控件的自定义属性值
public int BottomWidth
{
get
{
return bottomWidth;
}
set
{
bottomWidth = value;
this.Invalidate();
}
}
[Description("边线颜色"), Category("自定义属性")]
// 控件的自定义属性值
public Color BorderColor
{
get
{
return borderColor;
}
set
{
borderColor = value;
this.Invalidate();
}
}
/// <summary>
/// 重绘文字
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void LhParentLabel_Paint(object sender, PaintEventArgs e)
{
if (!this.Enabled)
{
drawLabelText(e, ForeColor);
}
}
/// <summary>
/// 绘制文字
/// </summary>
/// <param name="e"></param>
/// <param name="bgColor"></param>
private void drawLabelText(PaintEventArgs e, Color color)
{
string name = this.Text;
Graphics path = e.Graphics;
//绘制文字
Rectangle rect = new Rectangle(0, 0, this.Width, this.Height + 2);
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
path.DrawString(name, this.Font, new SolidBrush(color), rect, sf);
}
}
}