Form1.cs
资源名称:08.zip [点击查看]
上传用户:ynjin1970
上传日期:2014-10-13
资源大小:6438k
文件大小:4k
源码类别:
中间件编程
开发平台:
Visual C++
- using System ;
- using System.Drawing ;
- using System.Collections ;
- using System.ComponentModel ;
- using System.Windows.Forms ;
- using System.Data ;
- using System.Drawing.Drawing2D ;
- namespace Visual_C_基本绘图方法之一
- {
- /// <summary>
- /// Form1 的摘要说明。
- /// </summary>
- public class Form1 : System.Windows.Forms.Form
- {
- private System.Windows.Forms.Button button1 ;
- private System.Windows.Forms.Button button2 ;
- private System.Windows.Forms.Button button3 ;
- private Graphics g ;
- //创建Graphics实例
- private Rectangle rc ;
- //定义Rectangle全局变量
- /// <summary>
- /// 必需的设计器变量。
- /// </summary>
- private System.ComponentModel.Container components = null ;
- public Form1 ( )
- {
- //
- // Windows 窗体设计器支持所必需的
- //
- InitializeComponent ( ) ;
- //
- // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
- //
- }
- /// <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 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.button1 = new System.Windows.Forms.Button ( ) ;
- this.button2 = new System.Windows.Forms.Button ( ) ;
- this.button3 = new System.Windows.Forms.Button ( ) ;
- this.SuspendLayout ( ) ;
- this.button1.Location = new System.Drawing.Point ( 36 , 182 ) ;
- this.button1.Name = "button1" ;
- this.button1.Size = new System.Drawing.Size ( 75 , 32 ) ;
- this.button1.TabIndex = 0 ;
- this.button1.Text = "画椭圆" ;
- this.button1.Click += new System.EventHandler ( this.button1_Click ) ;
- this.button2.Location = new System.Drawing.Point ( 124 , 182 ) ;
- this.button2.Name = "button2" ;
- this.button2.Size = new System.Drawing.Size ( 75 , 32 ) ;
- this.button2.TabIndex = 1 ;
- this.button2.Text = "填充" ;
- this.button2.Click += new System.EventHandler ( this.button2_Click ) ;
- this.button3.Location = new System.Drawing.Point ( 210 , 184 ) ;
- this.button3.Name = "button3" ;
- this.button3.Size = new System.Drawing.Size ( 75 , 32 ) ;
- this.button3.TabIndex = 2 ;
- this.button3.Text = "画字" ;
- this.button3.Click += new System.EventHandler ( this.button3_Click ) ;
- this.AutoScaleBaseSize = new System.Drawing.Size ( 6 , 14 ) ;
- this.ClientSize = new System.Drawing.Size ( 336 , 251 ) ;
- this.Controls.Add ( this.button3 ) ;
- this.Controls.Add ( this.button2 ) ;
- this.Controls.Add ( this.button1 ) ;
- this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle ;
- this.MaximizeBox = false ;
- this.Name = "Form1" ;
- this.Text = "Visual C#基本绘图方法" ;
- this.ResumeLayout ( false ) ;
- this.g = Graphics.FromHwnd ( this.Handle ) ;
- //从指定的句柄中初始化Graphics实例
- this.rc = new Rectangle ( 10 , 10 , 250 , 150 ) ;
- //初始化Rectangle结构
- }
- #endregion
- /// <summary>
- /// 应用程序的主入口点。
- /// </summary>
- [STAThread]
- static void Main ( )
- {
- Application.Run ( new Form1 ( ) ) ;
- }
- private void button1_Click ( object sender , System.EventArgs e )
- {
- Pen pn = new Pen ( Color.Blue , 2 ) ;
- //创建一个画笔
- pn.Color = Color.Red ;
- //定义色彩
- g.DrawEllipse ( pn , rc ) ;
- //利用Rectangle结构定义绘图区域,用指定的画笔,在这个区域内绘制一个图形
- }
- private void button3_Click ( object sender , System.EventArgs e )
- {
- Font ft = new Font ( "宋体" , 14 ) ;
- //定义一个字体
- SolidBrush br = new SolidBrush ( Color.Yellow ) ;
- //定义一个刷子
- g.DrawString ( "Hello World!" , ft , br , 50 , 50 ) ;
- //在程序窗体的(50,50)区域,用给定的刷子,给定的字体及大小,绘制文本
- }
- private void button2_Click ( object sender , System.EventArgs e )
- {
- LinearGradientBrush br = new LinearGradientBrush ( rc , Color.Blue , Color.Black ,
- LinearGradientMode.BackwardDiagonal ) ;
- //定义一个刷子
- g.FillEllipse ( br , rc ) ;
- //用定义的刷子,填充指定区域。
- }
- }
- }