用c#怎么写控件，要有代码？？

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
using System.Drawing.Text;namespace WindowsControlLibrary1
{
/// <summary>
/// UserControl1 的摘要说明。
/// </summary>
public class UserControl1 : Button
{
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;
  private bool XiaCen=false;
  private bool mouseMove=false;
  private Color backColor;
  public UserControl1()
  {
   // 该调用是 Windows.Forms 窗体设计器所必需的。
   InitializeComponent();   // TODO: 在 InitComponent 调用后添加任何初始化
   backColor=this.backColor;
   //this.Text=this.ShowFocusCues.ToString();
  }  /// <summary>
  /// 清理所有正在使用的资源。
  /// </summary>
  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
  /// <summary>
  /// 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。
  /// </summary>
  private void InitializeComponent()
  {
   //
   // UserControl1
   //
   this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.UserControl1_MouseUp);
   this.Paint += new System.Windows.Forms.PaintEventHandler(this.UserControl1_Paint);
   this.MouseEnter += new System.EventHandler(this.UserControl1_MouseEnter);
   this.KeyUp += new System.Windows.Forms.KeyEventHandler(this.UserControl1_KeyUp);
   this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.UserControl1_KeyDown);
   this.BackColorChanged += new System.EventHandler(this.UserControl1_BackColorChanged);
   this.MouseLeave += new System.EventHandler(this.UserControl1_MouseLeave);
   this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.UserControl1_MouseDown);  }
  #endregion

  protected GraphicsPath GetGraphicsPath(Rectangle rect)
  {
   GraphicsPath ClientPath = new System.Drawing.Drawing2D.GraphicsPath();
   if(rect.Width<=0)
   {
    rect.Width=1;
   }
   if(rect.Height<=0)
   {
    rect.Height=1;
   }

   ClientPath.AddArc(rect.Left,rect.Top,rect.Height,rect.Height,90f,180f);
   ClientPath.AddArc(rect.Right-rect.Height,rect.Top,rect.Height,rect.Height,270f,180f);
   ClientPath.CloseFigure();
   return ClientPath;
  }

  protected GraphicsPath GetGraphicsPath1(Rectangle rect)
  {
   GraphicsPath ClientPath = new System.Drawing.Drawing2D.GraphicsPath();
   if(rect.Width<=0)
   {
    rect.Width=1;
   }
   if(rect.Height<=0)
   {
    rect.Height=1;
   }

   ClientPath.AddArc(rect.Left,rect.Top,rect.Height,rect.Height,190f,80f);
   ClientPath.AddArc(rect.Right-rect.Height,rect.Top,rect.Height,rect.Height,270f,80f);
   ClientPath.CloseFigure();
   return ClientPath;
  }

  private void DrawYinYing(Graphics gr,bool xiacen)
  {
   Rectangle rect= this.ClientRectangle;
   rect.Inflate(-(rect.Width/10),-(rect.Height)/4);
   float bf1=rect.Width/100f;
   float bf2=rect.Height/100f;

   rect.Y=rect.Y+this.ClientRectangle.Height/4;
   if(xiacen)
   {
    rect.Y=rect.Y+4;
   }
   GraphicsPath path;

   for(int a=1;a<33;a++)
   {
    float bf3=bf1*a;
    float bf4=bf2*a;
    Rectangle rect1=rect;
    rect1.Inflate(-(int)bf3,-(int)bf4);
    path=GetGraphicsPath(rect1);

    int r=backColor.R;
    int g=backColor.G;
    int b=backColor.B;
    r=r+3*a;
    g=g+3*a;
    b=b+3*a;
    if(r>255) r=255;
    if(g>255) g=255;
    if(b>255) b=255;
    gr.FillPath(new SolidBrush(Color.FromArgb(r,g,b)),path);
   }
  }

  private void DrawGaoLiang(Graphics g,bool xiacen)
  {
   Rectangle rect= this.ClientRectangle;
   rect.Inflate(-4,-4);

   if(xiacen)
   {
    rect.Y=rect.Y+4;
   }
   GraphicsPath path=GetGraphicsPath1(rect);
   RectangleF rect1=path.GetBounds();
   rect1.Height=rect1.Height+1;
   g.FillPath(new LinearGradientBrush(rect1,
    Color.FromArgb(0xff,0xff,0xff,0xff),
    Color.FromArgb(0xff,backColor),LinearGradientMode.Vertical),path);
  }

  private void DrawText(Graphics g,bool xiacen)
  {
   Rectangle rect= this.ClientRectangle;
   Rectangle rect1= this.ClientRectangle;
   StringFormat stringFormat=new StringFormat();
   stringFormat.Alignment=StringAlignment.Center;
   stringFormat.LineAlignment=StringAlignment.Center;
   rect.Y=this.ClientRectangle.Height/5;
   if(xiacen)
   {
    rect.Y=rect.Y+4;
    rect1.Y=rect1.Y+4;
   }

   Font font=this.Font;


   if(mouseMove)
   {
    font=new Font(this.Font,FontStyle.Underline);
   }

   g.DrawString(this.Text,font,
    new SolidBrush(Color.FromArgb(0x66,backColor)),rect,stringFormat);
   g.DrawString(this.Text,font,new SolidBrush(this.ForeColor),rect1,stringFormat);
  }  private void UserControl1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
  {
   if(XiaCen==false)
   {
    XiaCen=true;
    this.Refresh();
   }
  }

  private void UserControl1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
  {
   if(XiaCen==true)
   {
    XiaCen=false;
    this.Refresh();
   }
  }  private void UserControl1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
  {


  }

  protected override void OnPaint(PaintEventArgs e)
  {

   base.OnPaint(e);
   e.Graphics.FillRectangle(new SolidBrush(backColor),0,0,this.Width,this.Height);
   e.Graphics.SmoothingMode=SmoothingMode.HighQuality;
   e.Graphics.TextRenderingHint=TextRenderingHint.AntiAliasGridFit;
   Rectangle rect=new Rectangle(0,0,this.Width,this.Height);
   GraphicsPath ClientPath=GetGraphicsPath(rect);
   e.Graphics.FillPath(new SolidBrush(backColor),ClientPath);
   this.Region=new System.Drawing.Region(ClientPath);
   DrawYinYing(e.Graphics,XiaCen);
   DrawGaoLiang(e.Graphics,XiaCen);
   DrawText(e.Graphics,XiaCen);

   if(this.Focused)
   {
    e.Graphics.DrawPath(new Pen(Color.FromArgb(0x22,0xff,0xff,0xff), 3), ClientPath);
   }

  }

  private void UserControl1_BackColorChanged(object sender, System.EventArgs e)
  {
   int r=BackColor.R;
   int g=BackColor.G;
   int b=BackColor.B;
   r=r+0x22;
   g=g+0x22;
   b=b+0x22;
   if(r>255) r=255;
   if(g>255) g=255;
   if(b>255) b=255;
   backColor=Color.FromArgb(r,g,b);
  }  private void UserControl1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
  {
   if(XiaCen==false && e.KeyCode==Keys.Space)
   {
    XiaCen=true;
    this.Refresh();
   }
  }  private void UserControl1_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
  {
   if(XiaCen==true && e.KeyCode==Keys.Space)
   {
    XiaCen=false;
    this.Refresh();
   }
  }  private void UserControl1_MouseEnter(object sender, System.EventArgs e)
  {
   if(mouseMove==false)
   {
    mouseMove=true;
    this.Refresh();
   }
  }  private void UserControl1_MouseLeave(object sender, System.EventArgs e)
  {
   if(mouseMove==true)
   {
    mouseMove=false;
    this.Refresh();
   }
  }

}
}

完全没有问题，.net中的assebly就是你要的那种控件，另外还能够做到用属性dialog设置。
这些东西在.net中都能够很方便的实现，给你看一个在这方面很全面的帖子.里面还有source code，相信对你肯定很有帮助。http://www.codeproject.com/cs/miscctrl/tooltips.asp

msdn:http://msdn.microsoft.com/library/en-us/cpguide/html/cpcondevelopingwebformscontrols.asp

下面是一个自做的控件代码
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;namespace CompositeControl
{
/// <summary>
/// UserControl1 的摘要说明。
/// </summary>
public class ctlFullName : System.Windows.Forms.UserControl
{
private System.Windows.Forms.TextBox txtFirstName;
private System.Windows.Forms.TextBox txtMiddleName;
private System.Windows.Forms.TextBox txtLastName;
private System.Windows.Forms.Label lblLastName;
private System.Windows.Forms.Label lblFirstName;
private System.Windows.Forms.Label lblMiddleName;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null; public ctlFullName()
{
// 该调用是 Windows.Forms 窗体设计器所必需的。
InitializeComponent(); // TODO: 在 InitComponent 调用后添加任何初始化 } /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
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
/// <summary>
/// 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。
/// </summary>
private void InitializeComponent()
{
this.txtFirstName = new System.Windows.Forms.TextBox();
this.txtMiddleName = new System.Windows.Forms.TextBox();
this.txtLastName = new System.Windows.Forms.TextBox();
this.lblLastName = new System.Windows.Forms.Label();
this.lblFirstName = new System.Windows.Forms.Label();
this.lblMiddleName = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// txtFirstName
//
this.txtFirstName.Location = new System.Drawing.Point(8, 40);
this.txtFirstName.Name = "txtFirstName";
this.txtFirstName.Size = new System.Drawing.Size(208, 21);
this.txtFirstName.TabIndex = 0;
this.txtFirstName.Text = "textBox1";
//
// txtMiddleName
//
this.txtMiddleName.Location = new System.Drawing.Point(8, 120);
this.txtMiddleName.Name = "txtMiddleName";
this.txtMiddleName.Size = new System.Drawing.Size(208, 21);
this.txtMiddleName.TabIndex = 1;
this.txtMiddleName.Text = "textBox2";
//
// txtLastName
//
this.txtLastName.Location = new System.Drawing.Point(8, 200);
this.txtLastName.Name = "txtLastName";
this.txtLastName.Size = new System.Drawing.Size(208, 21);
this.txtLastName.TabIndex = 2;
this.txtLastName.Text = "textBox3";
//
// lblLastName
//
this.lblLastName.ForeColor = System.Drawing.Color.Red;
this.lblLastName.Location = new System.Drawing.Point(8, 176);
this.lblLastName.Name = "lblLastName";
this.lblLastName.Size = new System.Drawing.Size(100, 16);
this.lblLastName.TabIndex = 3;
this.lblLastName.Text = "LastName";
//
// lblFirstName
//
this.lblFirstName.ForeColor = System.Drawing.Color.Red;
this.lblFirstName.Location = new System.Drawing.Point(8, 24);
this.lblFirstName.Name = "lblFirstName";
this.lblFirstName.Size = new System.Drawing.Size(72, 16);
this.lblFirstName.TabIndex = 4;
this.lblFirstName.Text = "FirstName";
//
// lblMiddleName
//
this.lblMiddleName.ForeColor = System.Drawing.Color.Red;
this.lblMiddleName.Location = new System.Drawing.Point(8, 96);
this.lblMiddleName.Name = "lblMiddleName";
this.lblMiddleName.Size = new System.Drawing.Size(100, 16);
this.lblMiddleName.TabIndex = 5;
this.lblMiddleName.Text = "MiddleName";
//
// UserControl1
//
this.Controls.Add(this.lblMiddleName);
this.Controls.Add(this.lblFirstName);
this.Controls.Add(this.lblLastName);
this.Controls.Add(this.txtLastName);
this.Controls.Add(this.txtMiddleName);
this.Controls.Add(this.txtFirstName);
this.ForeColor = System.Drawing.Color.Red;
this.Name = "UserControl1";
this.Size = new System.Drawing.Size(232, 240);
this.Load += new System.EventHandler(this.UserControl1_Load);
this.ResumeLayout(false); }
#endregion public string FirstName
{
get
{
return txtFirstName.Text;
}
set
{
txtFirstName.Text=value;
}
} public string MiddleName
{
get
{
return txtMiddleName.Text;
}
set
{
txtMiddleName.Text=value;
}
} public string LastName
{
get
{
return txtLastName.Text;
}
set
{
txtLastName.Text=value;
}
}
public System.Drawing.Font LableFont
{
get
{
return lblFirstName.Font;
}
set
{
lblFirstName.Font=value;
lblMiddleName.Font=value;
lblLastName.Font=value;
}
}
public override string ToString()
{
return (txtFirstName.Text + " " + txtMiddleName.Text.Trim() + " " + txtLastName.Text.Trim());
} private void UserControl1_Load(object sender, System.EventArgs e)
{

}
}
}

下面是一个用户控件的例子,可以单独编译成dll,然后就可以用了。
======================================
用户控件代码
======================================
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;namespace ZZTestForm
{
//定义事件代理
public delegate void TextBoxChangedHandle(string message);
/// <summary>
/// UserControl1 的摘要说明。
/// </summary>
public class UserControl1 : System.Windows.Forms.UserControl
{
//定义事件
public event TextBoxChangedHandle TextBoxChanged;
private System.Windows.Forms.TextBox textBox1;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null; public UserControl1()
{
InitializeComponent();
}
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
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
/// <summary>
/// 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。
/// </summary>
private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(20, 32);
this.textBox1.Name = "textBox1";
this.textBox1.TabIndex = 0;
this.textBox1.Text = "textBox1";
this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
//
// UserControl1
//
this.Controls.Add(this.textBox1);
this.Name = "UserControl1";
this.Size = new System.Drawing.Size(150, 96);
this.ResumeLayout(false); }
#endregion private void textBox1_TextChanged(object sender, System.EventArgs e)
{
//激发事件
TextBoxChanged(this.textBox1.Text);
}
}
}

这个是对上面的控件的使用
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;namespace ZZTestForm
{
/// <summary>
/// MainForm 的摘要说明。
/// </summary>
public class MainForm : System.Windows.Forms.Form
{
private ZZTestForm.UserControl1 userControl11;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null; public MainForm()
{
InitializeComponent();
//注册用户控件事件
this.userControl11.TextBoxChanged +=new TextBoxChangedHandle(userControl11_TextBoxChanged); }

/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new MainForm());
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 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。
/// </summary>
private void InitializeComponent()
{
this.userControl11 = new ZZTestForm.UserControl1();
this.SuspendLayout();
//
// userControl11
//
this.userControl11.Location = new System.Drawing.Point(108, 68);
this.userControl11.Name = "userControl11";
this.userControl11.Size = new System.Drawing.Size(150, 96);
this.userControl11.TabIndex = 0;
//
// MainForm
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(376, 249);
this.Controls.Add(this.userControl11);
this.Name = "MainForm";
this.Text = "MainForm";
this.ResumeLayout(false); }
#endregion
/// <summary>
/// 控件事件处理
/// </summary>
/// <param name="message"></param>
private void userControl11_TextBoxChanged(string message)
{
MessageBox.Show("你改变了用户控件中文本框的值:"+message);
}
}
}

调试易

用c#怎么写控件，要有代码？？

解决方案 »