ControlPaint 类

提供用于绘制常用 Windows 控件及其元素的方法。无法继承此类。

**命名空间:**System.Windows.Forms
**程序集:**System.Windows.Forms（在 system.windows.forms.dll 中）

语法

声明
Public NotInheritable Class ControlPaint
用法
Dim instance As ControlPaint

public sealed class ControlPaint

public ref class ControlPaint sealed

public final class ControlPaint

public final class ControlPaint

备注

使用 ControlPaint 类中包含的方法可以绘制自己的控件或控件的元素。如果对于您自已的控件，将 UserPaint 位设置为 true，则可以控制这些控件的绘制。可通过调用 GetStyle 或 SetStyle 方法来获取或设置样式位。对任何控件均可设置多个样式位。可使用按位运算组合 ControlStyles 枚举成员。

示例

下面的代码示例使用一个 ControlPaint 构造函数绘制一个平面 Button 控件。

Imports System
Imports System.Drawing
Imports System.Windows.Forms

    Public Class Form1
        Inherits System.Windows.Forms.Form

        Private button1 As System.Windows.Forms.Button = New Button
        Private button2 As System.Windows.Forms.Button = New Button

        <System.STAThreadAttribute()>  _
        Public Shared Sub Main()
            System.Windows.Forms.Application.Run(New Form1)
        End Sub

        Public Sub New()
            Me.button2.Location = New Point(0, button1.Height + 10)
            AddHandler Me.button2.Click, AddressOf Me.button2_Click
            Me.Controls.Add(Me.button1)
            Me.Controls.Add(Me.button2)
        End Sub

        Private Sub button2_Click(sender As Object, e As System.EventArgs)
            ' Draws a flat button on button1.
            ControlPaint.DrawButton(System.Drawing.Graphics.FromHwnd(button1.Handle), 0, 0, button1.Width, button1.Height, ButtonState.Flat)
        End Sub 'button2_Click
End Class

using System;
using System.Drawing;
using System.Windows.Forms;

public class Form1 : Form
{
      private Button button1 = new Button();
      private Button button2 = new Button();


    [STAThread]
    static void Main() 
    {
        Application.Run(new Form1());
    }


    public Form1(){
        this.button2.Location = new Point(0, button1.Height + 10);
        this.Click += new EventHandler(this.button2_Click);
        this.Controls.Add(this.button1);
        this.Controls.Add(this.button2);
    }

    private void button2_Click(object sender, System.EventArgs e)
    {
        // Draws a flat button on button1.
        ControlPaint.DrawButton(
        System.Drawing.Graphics.FromHwnd(button1.Handle),0,0,button1.Width,button1.Height,
                ButtonState.Flat);
    }
}

#using <System.dll>
#using <System.Drawing.dll>
#using <System.Windows.Forms.dll>

using namespace System;
using namespace System::Drawing;
using namespace System::Windows::Forms;
public ref class Form1: public Form
{
private:
   Button^ button1;
   Button^ button2;

public:
   Form1()
   {
      button1 = gcnew Button;
      button2 = gcnew Button;
      this->button2->Location = Point(0,button1->Height + 10);
      this->Click += gcnew EventHandler( this, &Form1::button2_Click );
      this->Controls->Add( this->button1 );
      this->Controls->Add( this->button2 );
   }


private:

   void button2_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
   {
      
      // Draws a flat button on button1.
      ControlPaint::DrawButton( System::Drawing::Graphics::FromHwnd( button1->Handle ), 0, 0, button1->Width, button1->Height, ButtonState::Flat );
   }

};


[STAThread]
void main()
{
   Application::Run( gcnew Form1 );
}

import System.*;
import System.Drawing.*;
import System.Windows.Forms.*;

public class Form1 extends Form
{
    private Button button1 = new Button();
    private Button button2 = new Button();

    /** @attribute STAThread()
     */
    public static void main(String[] args)
    {
        Application.Run(new Form1());
    } //main

    public Form1()
    {
        this.button2.set_Location(new Point(0, button1.get_Height() + 10));
        this.add_Click(new EventHandler(this.button2_Click));
        this.get_Controls().Add(this.button1);
        this.get_Controls().Add(this.button2);
    } //Form1

    private void button2_Click(Object sender, System.EventArgs e)
    {
        // Draws a flat button on button1.
        ControlPaint.DrawButton(System.Drawing.Graphics.FromHwnd(
            button1.get_Handle()), 0, 0, button1.get_Width(), 
            button1.get_Height(), ButtonState.Flat);
    } //button2_Click
} //Form1

继承层次结构

System.Object
  System.Windows.Forms.ControlPaint

线程安全

此类型的任何公共静态（Visual Basic 中的 Shared）成员都是线程安全的，但不保证所有实例成员都是线程安全的。

平台

Windows 98、Windows 2000 SP4、Windows CE、Windows Millennium Edition、Windows Mobile for Pocket PC、Windows Mobile for Smartphone、Windows Server 2003、Windows XP Media Center Edition、Windows XP Professional x64 Edition、Windows XP SP2、Windows XP Starter Edition

.NET Framework 并不是对每个平台的所有版本都提供支持。有关受支持版本的列表，请参见系统要求。

版本信息

.NET Framework

受以下版本支持：2.0、1.1、1.0

请参见

参考

ControlPaint 成员
System.Windows.Forms 命名空间
Control 类
ControlStyles