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
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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)); }
}
}
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