Csharp/C Sharp by API/System.Drawing.Imaging/Metafile

new Metafile(String fileName, hdc)

<source lang="csharp"> /* 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.ruponentModel; using System.Windows.Forms; using System.Data; namespace MetaFile_c {

   /// <summary>
   /// Summary description for MetaFile.
   /// </summary>
   public class MetaFile : System.Windows.Forms.Form
   {
       /// <summary>
       /// Required designer variable.
       /// </summary>
       private System.ruponentModel.Container components = null;
       public MetaFile()
       {
           //
           // 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()
       {
     // 
     // MetaFile
     // 
     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.ClientSize = new System.Drawing.Size(292, 273);
     this.MaximizeBox = false;
     this.MinimizeBox = false;
     this.Name = "MetaFile";
     this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
     this.Text = "MetaFile";
     this.Load += new System.EventHandler(this.MetaFile_Load);
      }
       #endregion
       /// <summary>
       /// The main entry point for the application.
       /// </summary>
       [STAThread]
       static void Main() 
       {
           Application.Run(new MetaFile());
       }
   private void MetaFile_Load(object sender, System.EventArgs e)
   {
     // Create a graphics object from the forms graphics object
     // and get the handle to it.
     using (Graphics FormGraphics = this.CreateGraphics())
     {
       IntPtr hdc = FormGraphics.GetHdc();
       // Now create a blank metafile using the graphics handle
       // This is the metafile where all drawing instructions will 
       // be recorded.
       Metafile mf = new Metafile("mymeta.emf", hdc);
       // In order to record drawing commands we need to draw on something
       // That something is a new graphics object
       using (Graphics MetaGraphics = Graphics.FromImage(mf))
       {
         using ( mf )
         {
           MetaGraphics.SmoothingMode = SmoothingMode.AntiAlias;
           //Now we are ready to draw on the metagraphics object
           MetaGraphics.DrawRectangle(Pens.Black, 10, 10, 100, 50 );
           MetaGraphics.DrawLine(Pens.Orange, 10, 70, 150, 100 );
         }
       }
       FormGraphics.ReleaseHdc(hdc);
     }
   }
   protected override void OnPaint( PaintEventArgs e )
   {
     Metafile mf = new Metafile("mymeta.emf");
     e.Graphics.DrawImage(mf, new Point(10,10));
   }

   }

}

 </source>