ListBox and Metafile Enum
/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds
Publisher: Apress
ISBN: 159059035X
*/
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
namespace MetaEnum_c
{
public class MetaEnum : System.Windows.Forms.Form
{
private System.ComponentModel.Container components = null;
private System.Windows.Forms.ListBox LB;
Metafile mf = new Metafile("mymeta.emf");
public MetaEnum()
{
InitializeComponent();
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
mf.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.LB = new System.Windows.Forms.ListBox();
this.SuspendLayout();
//
// LB
//
this.LB.Location = new System.Drawing.Point(208, 232);
this.LB.Name = "LB";
this.LB.Size = new System.Drawing.Size(168, 121);
this.LB.TabIndex = 1;
//
// MetaEnum
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(392, 373);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.LB});
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "MetaEnum";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "MetaEnum";
this.Load += new System.EventHandler(this.MetaEnum_Load);
this.ResumeLayout(false);
}
#endregion
[STAThread]
static void Main()
{
Application.Run(new MetaEnum());
}
private void MetaEnum_Load(object sender, System.EventArgs e)
{
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics G = e.Graphics;
G.EnumerateMetafile( mf, new Point( 50, 50 ),
new Graphics.EnumerateMetafileProc(this.MetafileCallback) );
}
// Define callback method.
private bool MetafileCallback( EmfPlusRecordType recordType, int flags,
int dataSize, IntPtr data,
PlayRecordCallback callbackData)
{
LB.Items.Add(recordType);
if ( dataSize > 0 )
{
byte[] D = new byte[dataSize];
Marshal.Copy(data, D, 0, dataSize);
mf.PlayRecord(recordType, flags, dataSize, D);
}
return true;
}
}
}
MetaEnum-c.zip( 1 k)Related examples in the same category
