Mega Code Archive

 

Categories / C# / GUI Windows Form

 

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)