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C#画线控件的应用实例介绍之前我们要明白在C#中没有画线的控件,这里写了一个,大家分享。共有两个控件分别是画横线和画竖线的,关于怎么画斜线我还没没有,有兴趣的可以做一个大家分享。

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C#画线控件之横线
- using System;
 - using System.Collections;
 - using System.ComponentModel;
 - using System.Drawing;
 - using System.Data;
 - using System.Windows.Forms;
 - namespace Jiashi.WinControls
 - {
 - ///
 - /// LineX 画横线控件
 - ///
 - public class LineX : System.Windows.Forms.UserControl
 - {
 - #region 属性定义
 - private System.Drawing.Color lineColor;
 - private int lineWidth;
 - ///
 - /// 线的颜色属性
 - ///
 - public System.Drawing.Color LineColor
 - {
 - set
 - {
 - this.lineColor=value;
 - System.Windows.Forms.PaintEventArgs ep=
 - new PaintEventArgs(this.CreateGraphics(),
 - this.ClientRectangle);
 - this.LineX_Paint(this,ep);
 - }
 - get{return this.lineColor;}
 - }
 - ///
 - /// 线的粗细
 - ///
 - public int LineWidth
 - {
 - set
 - {
 - this.lineWidth=value;
 - System.Windows.Forms.PaintEventArgs ep=
 - new PaintEventArgs(this.CreateGraphics(),
 - this.ClientRectangle);
 - this.LineX_Paint(this,ep);
 - }
 - get{return this.lineWidth;}
 - }
 - #endregion
 - private System.ComponentModel.Container components = null;
 - ///
 - /// 构造函数初始颜色和线粗细
 - ///
 - public LineX()
 - {
 - InitializeComponent();
 - this.lineColor=this.ForeColor;
 - this.lineWidth=1;
 - }
 - ///
 - /// 清理所有正在使用的资源。
 - ///
 - protected override void Dispose( bool disposing )
 - {
 - if( disposing )
 - {
 - if(components != null)
 - {
 - components.Dispose();
 - }
 - }
 - base.Dispose( disposing );
 - }
 - #region 组件设计器生成的代码
 - ///
 - /// 设计器支持所需的方法 - 不要使用代码编辑器
 - /// 修改此方法的内容。
 - ///
 - private void InitializeComponent()
 - {
 - //
 - // LineX
 - //
 - this.Name = "LineX";
 - this.Resize += new System.EventHandler(this.LineX_Resize);
 - this.Paint +=
 - new System.Windows.Forms.PaintEventHandler(this.LineX_Paint);
 - }
 - #endregion
 - private void LineX_Paint(object sender,
 - System.Windows.Forms.PaintEventArgs e)
 - {
 - Graphics g=e.Graphics;
 - Pen myPen = new Pen(this.lineColor);
 - myPen.Width=this.lineWidth*2;
 - this.Height=this.LineWidth;
 - g.DrawLine(myPen,0,0,e.ClipRectangle.Right,0);
 - }
 - private void LineX_Resize(object sender, System.EventArgs e)
 - {
 - this.Height=this.lineWidth;
 - }
 - }
 - }
 
C#画线控件之竖线
- using System;
 - using System.Collections;
 - using System.ComponentModel;
 - using System.Drawing;
 - using System.Data;
 - using System.Windows.Forms;
 - namespace Jiashi.WinControls
 - {
 - ///
 - /// LineY 画竖线控件
 - ///
 - public class LineY : System.Windows.Forms.UserControl
 - {
 - #region 属性定义
 - private System.Drawing.Color lineColor;
 - private int lineWidth;
 - ///
 - /// 线的颜色属性
 - ///
 - public System.Drawing.Color LineColor
 - {
 - set
 - {
 - this.lineColor=value;
 - System.Windows.Forms.PaintEventArgs ep=
 - new PaintEventArgs(this.CreateGraphics(),
 - this.ClientRectangle);
 - this.LineY_Paint(this,ep);
 - }
 - get{return this.lineColor;}
 - }
 - ///
 - /// 线的粗细
 - ///
 - public int LineWidth
 - {
 - set
 - {
 - this.lineWidth=value;
 - System.Windows.Forms.PaintEventArgs ep=
 - new PaintEventArgs(this.CreateGraphics(),
 - this.ClientRectangle);
 - this.LineY_Paint(this,ep);
 - }
 - get{return this.lineWidth;}
 - }
 - #endregion
 - private System.ComponentModel.Container components = null;
 - ///
 - /// 构造函数初始颜色和线粗细
 - ///
 - public LineY()
 - {
 - InitializeComponent();
 - this.lineColor=this.ForeColor;
 - this.lineWidth=1;
 - }
 - ///
 - /// 清理所有正在使用的资源。
 - ///
 - protected override void Dispose( bool disposing )
 - {
 - if( disposing )
 - {
 - if(components != null)
 - {
 - components.Dispose();
 - }
 - }
 - base.Dispose( disposing );
 - }
 - #region 组件设计器生成的代码
 - ///
 - /// 设计器支持所需的方法 - 不要使用代码编辑器
 - /// 修改此方法的内容。
 - ///
 - private void InitializeComponent()
 - {
 - //
 - // LineY
 - //
 - this.Name = "LineY";
 - this.Resize +=
 - new System.EventHandler(this.LineY_Resize);
 - this.Paint +=
 - new System.Windows.Forms.PaintEventHandler(this.LineY_Paint);
 - }
 - #endregion
 - private void LineY_Paint(
 - object sender, System.Windows.Forms.PaintEventArgs e)
 - {
 - Graphics g=e.Graphics;
 - Pen myPen = new Pen(this.lineColor);
 - myPen.Width=this.lineWidth*2;
 - this.Width=this.LineWidth;
 - g.DrawLine(myPen,0,0,0,e.ClipRectangle.Bottom);
 - }
 - private void LineY_Resize(
 - object sender, System.EventArgs e)
 - {
 - this.Width=this.lineWidth;
 - }
 - }
 - }
 
C#画线控件的开发就向你介绍到这里,希望对你了解和学习C#画线控件有所帮助。