Owner Drawn Menu
/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace OwnerDrawnMenu
{
/// <summary>
/// Summary description for OwnerDrawnMenu.
/// </summary>
public class OwnerDrawnMenu : System.Windows.Forms.Form
{
internal System.Windows.Forms.ImageList imgMenu;
internal System.Windows.Forms.MainMenu mainMenu1;
internal System.Windows.Forms.MenuItem mnuFile;
internal System.Windows.Forms.MenuItem mnuNew;
internal System.Windows.Forms.MenuItem mnuOpen;
internal System.Windows.Forms.MenuItem mnuSave;
private System.ComponentModel.IContainer components;
public OwnerDrawnMenu()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(OwnerDrawnMenu));
this.imgMenu = new System.Windows.Forms.ImageList(this.components);
this.mainMenu1 = new System.Windows.Forms.MainMenu();
this.mnuFile = new System.Windows.Forms.MenuItem();
this.mnuNew = new System.Windows.Forms.MenuItem();
this.mnuOpen = new System.Windows.Forms.MenuItem();
this.mnuSave = new System.Windows.Forms.MenuItem();
//
// imgMenu
//
this.imgMenu.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
this.imgMenu.ImageSize = new System.Drawing.Size(16, 16);
this.imgMenu.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imgMenu.ImageStream")));
this.imgMenu.TransparentColor = System.Drawing.Color.Transparent;
//
// mainMenu1
//
this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.mnuFile});
//
// mnuFile
//
this.mnuFile.Index = 0;
this.mnuFile.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.mnuNew,
this.mnuOpen,
this.mnuSave});
this.mnuFile.Text = "File";
//
// mnuNew
//
this.mnuNew.Index = 0;
this.mnuNew.OwnerDraw = true;
this.mnuNew.Text = "New";
this.mnuNew.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.mnu_DrawItem);
this.mnuNew.MeasureItem += new System.Windows.Forms.MeasureItemEventHandler(this.mnu_MeasureItem);
//
// mnuOpen
//
this.mnuOpen.Index = 1;
this.mnuOpen.OwnerDraw = true;
this.mnuOpen.Text = "Open";
this.mnuOpen.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.mnu_DrawItem);
this.mnuOpen.MeasureItem += new System.Windows.Forms.MeasureItemEventHandler(this.mnu_MeasureItem);
//
// mnuSave
//
this.mnuSave.Index = 2;
this.mnuSave.OwnerDraw = true;
this.mnuSave.Text = "Save";
this.mnuSave.DrawItem += new System.Windows.Forms.DrawItemEventHandler(this.mnu_DrawItem);
this.mnuSave.MeasureItem += new System.Windows.Forms.MeasureItemEventHandler(this.mnu_MeasureItem);
//
// OwnerDrawnMenu
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 266);
this.Menu = this.mainMenu1;
this.Name = "OwnerDrawnMenu";
this.Text = "Owner-Drawn Menu";
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new OwnerDrawnMenu());
}
private void mnu_MeasureItem(object sender, System.Windows.Forms.MeasureItemEventArgs e)
{
// Retrieve current item.
MenuItem mnuItem = (MenuItem)sender;
Font menuFont = new Font("Tahoma", 8);
// Measure size needed to display text.
// We add 30 pixels to the width to allow a generous spacing for the image.
e.ItemHeight = (int)e.Graphics.MeasureString(mnuItem.Text, menuFont).Height + 5;
e.ItemWidth = (int)e.Graphics.MeasureString(mnuItem.Text, menuFont).Width + 30;
}
private void mnu_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
{
// Retrieve current item.
MenuItem mnuItem = (MenuItem)sender;
// This defaults to the highlighted background if selected.
e.DrawBackground();
// Retrieve the image from an ImageList control.
Image menuImage = imgMenu.Images[mnuItem.Index];
// Draw the image.
e.Graphics.DrawImage(menuImage, e.Bounds.Left + 3, e.Bounds.Top + 2);
// Draw the text with the supplied colors and in the set region.
e.Graphics.DrawString(mnuItem.Text, e.Font, new SolidBrush(e.ForeColor), e.Bounds.Left + 25, e.Bounds.Top + 3);
}
}
}
OwnerDrawnMenu.zip( 28 k)Related examples in the same category
