实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace Menu
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.MainMenu mainMenu1;
private System.Windows.Forms.MenuItem menuItem1;
private System.Windows.Forms.MenuItem menuItem2;
private System.Windows.Forms.MenuItem menuItem3;
private System.Windows.Forms.PictureBox pictureBox1;
private System.Windows.Forms.PictureBox pictureBox2;
/// <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()
{
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
this.mainMenu1 = new System.Windows.Forms.MainMenu();
this.menuItem1 = new System.Windows.Forms.MenuItem();
this.menuItem2 = new System.Windows.Forms.MenuItem();
this.menuItem3 = new System.Windows.Forms.MenuItem();
this.pictureBox1 = new System.Windows.Forms.PictureBox();
this.pictureBox2 = new System.Windows.Forms.PictureBox();
this.SuspendLayout();
//
// mainMenu1
//
this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem1});
//
// menuItem1
//
this.menuItem1.Index = 0;
this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem2,
this.menuItem3});
this.menuItem1.Text = "自绘菜单";
//
// menuItem2
//
this.menuItem2.Index = 0;
this.menuItem2.OwnerDraw = true;
this.menuItem2.Text = "显示名车图片";
this.menuItem2.DrawItem = new System.Windows.Forms.DrawItemEventHandler(this.menuItem2_DrawItem);
this.menuItem2.Click = new System.EventHandler(this.menuItem2_Click);
this.menuItem2.MeasureItem = new System.Windows.Forms.MeasureItemEventHandler(this.menuItem2_MeasureItem);
//
// menuItem3
//
this.menuItem3.Index = 1;
this.menuItem3.OwnerDraw = true;
this.menuItem3.Text = "显示风光图片";
this.menuItem3.DrawItem = new System.Windows.Forms.DrawItemEventHandler(this.menuItem3_DrawItem);
this.menuItem3.Click = new System.EventHandler(this.menuItem3_Click);
this.menuItem3.MeasureItem = new System.Windows.Forms.MeasureItemEventHandler(this.menuItem3_MeasureItem);
//
// pictureBox1
//
this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image")));
this.pictureBox1.Location = new System.Drawing.Point(0, 0);
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new System.Drawing.Size(344, 184);
this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
this.pictureBox1.TabIndex = 0;
this.pictureBox1.TabStop = false;
//
// pictureBox2
//
this.pictureBox2.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox2.Image")));
this.pictureBox2.Location = new System.Drawing.Point(0, 0);
this.pictureBox2.Name = "pictureBox2";
this.pictureBox2.Size = new System.Drawing.Size(344, 184);
this.pictureBox2.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
this.pictureBox2.TabIndex = 1;
this.pictureBox2.TabStop = false;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(344, 185);
this.Controls.Add(this.pictureBox2);
this.Controls.Add(this.pictureBox1);
this.MaximizeBox = false;
this.Menu = this.mainMenu1;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "演示自绘式菜单";
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void menuItem2_MeasureItem(object sender, System.Windows.Forms.MeasureItemEventArgs e)
{//设置菜单项"显示名车图片"的显示区域
e.ItemHeight=50;
e.ItemWidth=180;
}
private void menuItem2_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
{//绘制第一个菜单
Graphics g=e.Graphics;
//判断菜单的状态
if((e.State&DrawItemState.Selected)==DrawItemState.Selected)
{//当菜单被先选中时
//绘制背景填充矩形
g.FillRectangle(new SolidBrush(Color.Red),e.Bounds.Left,e.Bounds.Top,e.Bounds.Width,e.Bounds.Height);
//绘制菜单项标题
String MyString = "显示名车图片";
Font MyFont = new Font("宋体", 20,FontStyle.Bold);
SolidBrush MyBrush = new SolidBrush(Color.Yellow);
float x = 10.0F;
float y = 10.0F;
StringFormat MyFormat = new StringFormat();
MyFormat.FormatFlags = StringFormatFlags.NoWrap;
e.Graphics.DrawString(MyString, MyFont, MyBrush, x, y, MyFormat);
}
else
{//当菜单未被先选中时
//绘制背景填充矩形
g.FillRectangle(new SolidBrush(Color.Blue),e.Bounds.Left,e.Bounds.Top,e.Bounds.Width,e.Bounds.Height);
//绘制菜单标题
String MyString = "显示名车图片";
Font MyFont = new Font("宋体", 20,FontStyle.Bold);
SolidBrush MyBrush = new SolidBrush(Color.Yellow);
float x = 10.0F;
float y = 10.0F;
StringFormat MyFormat = new StringFormat();
MyFormat.FormatFlags = StringFormatFlags.NoWrap;
e.Graphics.DrawString(MyString, MyFont, MyBrush, x, y, MyFormat);
}
}
private void menuItem3_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
{//绘制第二个菜单
Graphics g=e.Graphics;
//判断菜单的状态
if((e.State&DrawItemState.Selected)==DrawItemState.Selected)
{//当菜单被先选中时
//绘制背景填充矩形
g.FillRectangle(new SolidBrush(Color.Red),e.Bounds.Left,e.Bounds.Top,e.Bounds.Width,e.Bounds.Height);
//绘制菜单项标题
String MyString = "显示风光图片";
Font MyFont = new Font("宋体", 20,FontStyle.Bold);
SolidBrush MyBrush = new SolidBrush(Color.Yellow);
float x = 10.0F;
float y = 60.0F;
StringFormat MyFormat = new StringFormat();
MyFormat.FormatFlags = StringFormatFlags.NoWrap;
e.Graphics.DrawString(MyString, MyFont, MyBrush, x, y, MyFormat);
}
else
{//当菜单未被先选中时
//绘制背景填充矩形
g.FillRectangle(new SolidBrush(Color.Green),e.Bounds.Left,e.Bounds.Top,e.Bounds.Width,e.Bounds.Height);
//绘制菜单标题
String MyString = "显示风光图片";
Font MyFont = new Font("宋体", 20,FontStyle.Bold);
SolidBrush MyBrush = new SolidBrush(Color.Yellow);
float x = 10.0F;
float y = 60.0F;
StringFormat MyFormat = new StringFormat();
MyFormat.FormatFlags = StringFormatFlags.NoWrap;
e.Graphics.DrawString(MyString, MyFont, MyBrush, x, y, MyFormat);
}
}
private void menuItem3_MeasureItem(object sender, System.Windows.Forms.MeasureItemEventArgs e)
{//设置菜单项"显示风光图片"的显示区域
e.ItemHeight=50;
e.ItemWidth=180;
}
private void menuItem2_Click(object sender, System.EventArgs e)
{//响应"显示名车图片"菜单项的单击事件
this.pictureBox1.Visible=true;
this.pictureBox2.Visible=false;
}
private void menuItem3_Click(object sender, System.EventArgs e)
{//响应"显示风光图片"菜单项的单击事件
this.pictureBox2.Visible=true;
this.pictureBox1.Visible=false;
}
}
}
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