/* 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)