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Categories / C# / 2D Graphics

 

Scrolling Demo

/* Professional Windows GUI Programming Using C# by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury,     Zach Greenvoss, Shripad Kulkarni, Neil Whitlow Publisher: Peer Information ISBN: 1861007663 */ using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; namespace Scrolling {     /// <summary>     /// Summary description for Scrolling.     /// </summary>     public class Scrolling : System.Windows.Forms.Form     {         /// <summary>         /// Required designer variable.         /// </summary>         private System.ComponentModel.Container components = null;         public Scrolling()         {             //             // Required for Windows Form Designer support             //             InitializeComponent();             this.Text = "Scrolling";             this.Size = new Size(210, 290);             //             // 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()         {             //              // Scrolling             //              this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);             this.ClientSize = new System.Drawing.Size(176, 254);             this.Name = "Scrolling";             this.Text = "Scrolling";         }         #endregion         /// <summary>         /// The main entry point for the application.         /// </summary>         [STAThread]         static void Main()          {             Application.Run(new Scrolling());         }         protected override void OnPaint(PaintEventArgs e)         {             Graphics g;             g = Graphics.FromHwnd(this.Handle);             GraphicsUnit units = GraphicsUnit.Pixel;             string path = "MonetZsu.jpg";             Image im = Image.FromFile(path);             this.AutoScrollMinSize = new Size(im.Width, im.Height);             //this.AutoScroll = true;             Point P = this.AutoScrollPosition;             Rectangle dstR = this.ClientRectangle;             RectangleF srcR = new RectangleF(-P.X, -P.Y, dstR.Width, dstR.Height);             g.DrawImage(im, dstR, srcR, units);             g.Dispose();         }     } }                     P18_Scrolling.zip( 19 k)