140 lines
4.3 KiB
C#
140 lines
4.3 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.ComponentModel;
|
|
using System.Diagnostics;
|
|
using System.Drawing;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
using System.Windows.Forms;
|
|
using System.Xml.Serialization;
|
|
|
|
namespace JinYuan.ControlLib
|
|
{
|
|
public partial class CheckBoxExt : CheckBox
|
|
{
|
|
public CheckBoxExt()
|
|
{
|
|
InitializeComponent();
|
|
|
|
_format.LineAlignment=StringAlignment.Center;
|
|
_format.Alignment=StringAlignment.Center;
|
|
|
|
|
|
//设置控件样式，去除缓冲
|
|
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
|
|
this.SetStyle(ControlStyles.DoubleBuffer, true);
|
|
this.SetStyle(ControlStyles.ResizeRedraw, true);
|
|
this.SetStyle(ControlStyles.Selectable, true);
|
|
this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
|
|
}
|
|
|
|
private StringFormat _format = new StringFormat();
|
|
|
|
|
|
|
|
private int defultCheckButtonWidth=20;
|
|
[Browsable(true)]//是否可见
|
|
[Category("自定义属性")] //类别
|
|
[Description("设置或显示标题名称")]
|
|
public int DefultCheckButtonWidth
|
|
{
|
|
get { return defultCheckButtonWidth; }
|
|
set { defultCheckButtonWidth= value; }
|
|
}
|
|
|
|
private Color checkColor=Color.FromArgb(3,25,66);
|
|
[Browsable(true)]//是否可见
|
|
[Category("自定义属性")] //类别
|
|
[Description("设置或显示选中颜色")]
|
|
public Color CheckColor
|
|
{
|
|
get { return checkColor; }
|
|
set
|
|
{
|
|
checkColor = value;
|
|
this.Invalidate();
|
|
}
|
|
}
|
|
|
|
private Color checkBackColor = Color.White;
|
|
[Browsable(true)]//是否可见
|
|
[Category("自定义属性")] //类别
|
|
[Description("设置或显示选中框背景颜色")]
|
|
public Color CheckBackColor
|
|
{
|
|
get { return checkBackColor; }
|
|
set
|
|
{
|
|
checkBackColor = value;
|
|
this.Invalidate();
|
|
}
|
|
}
|
|
|
|
|
|
protected override void OnPaint(PaintEventArgs e)
|
|
{
|
|
base.OnPaint(e);
|
|
base.OnPaintBackground(e);
|
|
|
|
Graphics g = e.Graphics;
|
|
g.SmoothingMode=System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
|
|
g.TextRenderingHint=System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
|
|
|
|
Rectangle checkRec;
|
|
Rectangle textRec;
|
|
|
|
CalculatorRec(out checkRec,out textRec);
|
|
|
|
SolidBrush solidBrush = new SolidBrush(CheckBackColor);
|
|
g.FillRectangle(solidBrush, checkRec);
|
|
|
|
Pen pen=new Pen(Color.LightGray);
|
|
g.DrawRectangle(pen, checkRec);
|
|
|
|
if (this.CheckState==CheckState.Checked)
|
|
{
|
|
//画勾选
|
|
DrawCheckFlag(g, checkRec,checkColor);
|
|
}
|
|
|
|
//绘制文本
|
|
g.DrawString(this.Text, this.Font, new SolidBrush(this.ForeColor), textRec, this._format);
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// 计算矩形
|
|
/// </summary>
|
|
/// <param name="checkRec"></param>
|
|
/// <param name="textRec"></param>
|
|
private void CalculatorRec(out Rectangle checkRec, out Rectangle textRec)
|
|
{
|
|
checkRec = new Rectangle(3,(this.Height - defultCheckButtonWidth) / 2, defultCheckButtonWidth,
|
|
defultCheckButtonWidth);
|
|
|
|
textRec = new Rectangle(checkRec.Right+3,0,Width-checkRec.Right-6,this.Height);
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// 画勾选
|
|
/// </summary>
|
|
/// <param name="g"></param>
|
|
/// <param name="rectangle"></param>
|
|
/// <param name="color"></param>
|
|
private void DrawCheckFlag(Graphics g,Rectangle rectangle,Color color)
|
|
{
|
|
PointF[] pointFs = new PointF[3];
|
|
|
|
pointFs[0] = new PointF(rectangle.X+rectangle.Width/4.5f,rectangle.Y+rectangle.Height/2.5f);
|
|
pointFs[1] = new PointF(rectangle.X + rectangle.Width / 2.5F, rectangle.Bottom - rectangle.Height / 3.0f);
|
|
pointFs[2] = new PointF(rectangle.Right-rectangle.Width/4.0f, rectangle.Y+rectangle.Height/4.5f);
|
|
|
|
Pen pen = new Pen(color,2.0f);
|
|
g.DrawLines(pen, pointFs);
|
|
|
|
}
|
|
}
|
|
}
|