using System;
using System.Drawing;
using System.Windows.Forms;
class SplitThreeAcross: Form
{
public static void Main()
{
Application.Run(new SplitThreeAcross());
}
public SplitThreeAcross()
{
Panel panel1 = new Panel();
panel1.Parent = this;
panel1.Dock = DockStyle.Fill;
panel1.BackColor = Color.Cyan;
panel1.Resize += new EventHandler(PanelOnResize);
panel1.Paint += new PaintEventHandler(PanelOnPaint);
Splitter split1 = new Splitter();
split1.Parent = this;
split1.Dock = DockStyle.Left;
Panel panel2 = new Panel();
panel2.Parent = this;
panel2.Dock = DockStyle.Left;
panel2.BackColor = Color.Lime;
panel2.Resize += new EventHandler(PanelOnResize);
panel2.Paint += new PaintEventHandler(PanelOnPaint);
Splitter split2 = new Splitter();
split2.Parent = this;
split2.Dock = DockStyle.Right;
Panel panel3 = new Panel();
panel3.Parent = this;
panel3.Dock = DockStyle.Right;
panel3.BackColor = Color.Red;
panel3.Resize += new EventHandler(PanelOnResize);
panel3.Paint += new PaintEventHandler(PanelOnPaint);
panel1.Width =
panel2.Width =
panel3.Width = ClientSize.Width / 3;
}
void PanelOnResize(object obj, EventArgs ea)
{
((Panel) obj).Invalidate();
}
void PanelOnPaint(object obj, PaintEventArgs pea)
{
Panel panel = (Panel) obj;
Graphics grfx = pea.Graphics;
grfx.DrawEllipse(Pens.Black, 0, 0,
panel.Width - 1, panel.Height - 1);
}
}
GUI Windows Form
Split Three Frames
using System;
using System.Drawing;
using System.Windows.Forms;
class SplitThreeFrames: Form
{
public static void Main()
{
Application.Run(new SplitThreeFrames());
}
public SplitThreeFrames()
{
Panel panel = new Panel();
panel.Parent = this;
panel.Dock = DockStyle.Fill;
Splitter split1 = new Splitter();
split1.Parent = this;
split1.Dock = DockStyle.Left;
Panel panel1 = new Panel();
panel1.Parent = this;
panel1.Dock = DockStyle.Left;
panel1.BackColor = Color.Lime;
panel1.Resize += new EventHandler(PanelOnResize);
panel1.Paint += new PaintEventHandler(PanelOnPaint);
Panel panel2 = new Panel();
panel2.Parent = panel;
panel2.Dock = DockStyle.Fill;
panel2.BackColor = Color.Blue;
panel2.Resize += new EventHandler(PanelOnResize);
panel2.Paint += new PaintEventHandler(PanelOnPaint);
Splitter split2 = new Splitter();
split2.Parent = panel;
split2.Dock = DockStyle.Top;
Panel panel3 = new Panel();
panel3.Parent = panel;
panel3.Dock = DockStyle.Top;
panel3.BackColor = Color.Tan;
panel3.Resize += new EventHandler(PanelOnResize);
panel3.Paint += new PaintEventHandler(PanelOnPaint);
panel1.Width = ClientSize.Width / 3;
panel3.Height = ClientSize.Height / 3;
}
void PanelOnResize(object obj, EventArgs ea)
{
((Panel) obj).Invalidate();
}
void PanelOnPaint(object obj, PaintEventArgs pea)
{
Panel panel = (Panel) obj;
Graphics grfx = pea.Graphics;
grfx.DrawEllipse(Pens.Black, 0, 0,
panel.Width - 1, panel.Height - 1);
}
}
Split Two Proportional
using System;
using System.Drawing;
using System.Windows.Forms;
class SplitTwoProportional: Form
{
Panel panel2;
float fProportion = 0.5f;
public static void Main()
{
Application.Run(new SplitTwoProportional());
}
public SplitTwoProportional()
{
Text = "";
Panel panel1 = new Panel();
panel1.Parent = this;
panel1.Dock = DockStyle.Fill;
panel1.BackColor = Color.Red;
panel1.Resize += new EventHandler(PanelOnResize);
panel1.Paint += new PaintEventHandler(PanelOnPaint);
Splitter split = new Splitter();
split.Parent = this;
split.Dock = DockStyle.Left;
split.SplitterMoving += new SplitterEventHandler(SplitterOnMoving);
panel2 = new Panel();
panel2.Parent = this;
panel2.Dock = DockStyle.Left;
panel2.BackColor = Color.Lime;
panel2.Resize += new EventHandler(PanelOnResize);
panel2.Paint += new PaintEventHandler(PanelOnPaint);
OnResize(EventArgs.Empty);
}
protected override void OnResize(EventArgs ea)
{
base.OnResize(ea);
panel2.Width = (int) (fProportion * ClientSize.Width);
}
void SplitterOnMoving(object obj, SplitterEventArgs sea)
{
fProportion = (float) sea.SplitX / ClientSize.Width;
}
void PanelOnResize(object obj, EventArgs ea)
{
((Panel) obj).Invalidate();
}
void PanelOnPaint(object obj, PaintEventArgs pea)
{
Panel panel = (Panel) obj;
Graphics grfx = pea.Graphics;
grfx.DrawEllipse(Pens.Black, 0, 0,
panel.Width - 1, panel.Height - 1);
}
}
HTML Split Window
/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
namespace HTMLSplitWindow
{
/// <summary>
/// Summary description for HTMLSplitWindow.
/// </summary>
public class HTMLSplitWindow : System.Windows.Forms.Form
{
internal System.Windows.Forms.Panel Panel3;
internal System.Windows.Forms.TextBox TextBox1;
internal System.Windows.Forms.Splitter Splitter1;
internal System.Windows.Forms.Panel Panel2;
private AxSHDocVw.AxWebBrowser AxWebBrowser2;
internal System.Windows.Forms.Splitter Splitter2;
internal System.Windows.Forms.Panel pnlShow;
internal System.Windows.Forms.Button cmdShow;
internal System.Windows.Forms.Panel pnlFileList;
internal System.Windows.Forms.Button cmdHide;
internal System.Windows.Forms.ListView ListView1;
internal System.Windows.Forms.ColumnHeader ColumnHeader1;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
public HTMLSplitWindow()
{
//
// 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()
{
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(HTMLSplitWindow));
this.Panel3 = new System.Windows.Forms.Panel();
this.TextBox1 = new System.Windows.Forms.TextBox();
this.Splitter1 = new System.Windows.Forms.Splitter();
this.Panel2 = new System.Windows.Forms.Panel();
this.AxWebBrowser2 = new AxSHDocVw.AxWebBrowser();
this.Splitter2 = new System.Windows.Forms.Splitter();
this.pnlShow = new System.Windows.Forms.Panel();
this.cmdShow = new System.Windows.Forms.Button();
this.pnlFileList = new System.Windows.Forms.Panel();
this.cmdHide = new System.Windows.Forms.Button();
this.ListView1 = new System.Windows.Forms.ListView();
this.ColumnHeader1 = new System.Windows.Forms.ColumnHeader();
this.Panel3.SuspendLayout();
this.Panel2.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.AxWebBrowser2)).BeginInit();
this.pnlShow.SuspendLayout();
this.pnlFileList.SuspendLayout();
this.SuspendLayout();
//
// Panel3
//
this.Panel3.Controls.AddRange(new System.Windows.Forms.Control[] {
this.TextBox1});
this.Panel3.Dock = System.Windows.Forms.DockStyle.Fill;
this.Panel3.Location = new System.Drawing.Point(204, 131);
this.Panel3.Name = "Panel3";
this.Panel3.Size = new System.Drawing.Size(239, 154);
this.Panel3.TabIndex = 28;
//
// TextBox1
//
this.TextBox1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.TextBox1.Multiline = true;
this.TextBox1.Name = "TextBox1";
this.TextBox1.ReadOnly = true;
this.TextBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
this.TextBox1.Size = new System.Drawing.Size(240, 153);
this.TextBox1.TabIndex = 0;
this.TextBox1.Text = "";
//
// Splitter1
//
this.Splitter1.Dock = System.Windows.Forms.DockStyle.Top;
this.Splitter1.Location = new System.Drawing.Point(204, 128);
this.Splitter1.Name = "Splitter1";
this.Splitter1.Size = new System.Drawing.Size(239, 3);
this.Splitter1.TabIndex = 27;
this.Splitter1.TabStop = false;
//
// Panel2
//
this.Panel2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.Panel2.Controls.AddRange(new System.Windows.Forms.Control[] {
this.AxWebBrowser2});
this.Panel2.Dock = System.Windows.Forms.DockStyle.Top;
this.Panel2.Location = new System.Drawing.Point(204, 5);
this.Panel2.Name = "Panel2";
this.Panel2.Size = new System.Drawing.Size(239, 123);
this.Panel2.TabIndex = 26;
//
// AxWebBrowser2
//
this.AxWebBrowser2.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.AxWebBrowser2.ContainingControl = this;
this.AxWebBrowser2.Enabled = true;
this.AxWebBrowser2.Location = new System.Drawing.Point(-4, 0);
this.AxWebBrowser2.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("AxWebBrowser2.OcxState")));
this.AxWebBrowser2.Size = new System.Drawing.Size(240, 120);
this.AxWebBrowser2.TabIndex = 0;
//
// Splitter2
//
this.Splitter2.Location = new System.Drawing.Point(201, 5);
this.Splitter2.Name = "Splitter2";
this.Splitter2.Size = new System.Drawing.Size(3, 280);
this.Splitter2.TabIndex = 25;
this.Splitter2.TabStop = false;
//
// pnlShow
//
this.pnlShow.Controls.AddRange(new System.Windows.Forms.Control[] {
this.cmdShow});
this.pnlShow.Dock = System.Windows.Forms.DockStyle.Left;
this.pnlShow.Location = new System.Drawing.Point(181, 5);
this.pnlShow.Name = "pnlShow";
this.pnlShow.Size = new System.Drawing.Size(20, 280);
this.pnlShow.TabIndex = 24;
this.pnlShow.Visible = false;
//
// cmdShow
//
this.cmdShow.Anchor = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left);
this.cmdShow.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.cmdShow.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.cmdShow.Name = "cmdShow";
this.cmdShow.Size = new System.Drawing.Size(16, 280);
this.cmdShow.TabIndex = 17;
this.cmdShow.Text = ">";
this.cmdShow.Click += new System.EventHandler(this.cmdShow_Click);
//
// pnlFileList
//
this.pnlFileList.Controls.AddRange(new System.Windows.Forms.Control[] {
this.cmdHide,
this.ListView1});
this.pnlFileList.Dock = System.Windows.Forms.DockStyle.Left;
this.pnlFileList.Location = new System.Drawing.Point(5, 5);
this.pnlFileList.Name = "pnlFileList";
this.pnlFileList.Size = new System.Drawing.Size(176, 280);
this.pnlFileList.TabIndex = 23;
//
// cmdHide
//
this.cmdHide.Anchor = ((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.cmdHide.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.cmdHide.Location = new System.Drawing.Point(0, 260);
this.cmdHide.Name = "cmdHide";
this.cmdHide.Size = new System.Drawing.Size(172, 20);
this.cmdHide.TabIndex = 1;
this.cmdHide.Text = "<< Hide";
this.cmdHide.Click += new System.EventHandler(this.cmdHide_Click);
//
// ListView1
//
this.ListView1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.ListView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
this.ColumnHeader1});
this.ListView1.Name = "ListView1";
this.ListView1.Size = new System.Drawing.Size(172, 256);
this.ListView1.TabIndex = 0;
this.ListView1.View = System.Windows.Forms.View.Details;
this.ListView1.SelectedIndexChanged += new System.EventHandler(this.ListView1_SelectedIndexChanged);
//
// ColumnHeader1
//
this.ColumnHeader1.Text = "File";
this.ColumnHeader1.Width = 99;
//
// HTMLSplitWindow
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
this.ClientSize = new System.Drawing.Size(448, 290);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.Panel3,
this.Splitter1,
this.Panel2,
this.Splitter2,
this.pnlShow,
this.pnlFileList});
this.DockPadding.All = 5;
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.Name = "HTMLSplitWindow";
this.Text = "HTML Split";
this.Load += new System.EventHandler(this.HTMLSplitWindow_Load);
this.Panel3.ResumeLayout(false);
this.Panel2.ResumeLayout(false);
((System.ComponentModel.ISupportInitialize)(this.AxWebBrowser2)).EndInit();
this.pnlShow.ResumeLayout(false);
this.pnlFileList.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new HTMLSplitWindow());
}
private void cmdHide_Click(object sender, System.EventArgs e)
{
pnlFileList.Visible = false;
pnlShow.Visible = true;
}
private void cmdShow_Click(object sender, System.EventArgs e)
{
pnlFileList.Visible = true;
pnlShow.Visible = false;
}
private void HTMLSplitWindow_Load(object sender, System.EventArgs e)
{
DirectoryInfo d = new DirectoryInfo(Application.StartupPath + @"....view");
foreach (FileInfo f in d.GetFiles())
{
ListView1.Items.Add(f.Name);
}
}
private void ListView1_SelectedIndexChanged(object sender, System.EventArgs e)
{
try
{
// Construct the objects required for the Navigate2 method call.
// C# does not support optional parameters.
string urlText = @"C:Program FilesMicrosoft Visual Studio .NETFrameworkSDKSamples" + ListView1.SelectedItems[0].Text;
object url = urlText;
int emptyInt = 0;
object empty = emptyInt;
AxWebBrowser2.Navigate2(ref url, ref empty, ref empty, ref empty, ref empty);
StreamReader r = File.OpenText(@"C:Program FilesMicrosoft Visual Studio .NETFrameworkSDKSamples" + ListView1.SelectedItems[0].Text);
TextBox1.Text = r.ReadToEnd();
}
catch
{
}
}
}
}
HTMLSplitWindow.zip( 181 k)
Scroll event
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
public class Form1 : System.Windows.Forms.Form {
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.VScrollBar vScrollBar1;
int counter = 0;
private System.Windows.Forms.Label label1;
public Form1() {
this.textBox1 = new System.Windows.Forms.TextBox();
this.vScrollBar1 = new System.Windows.Forms.VScrollBar();
this.label1 = new System.Windows.Forms.Label();
this.SuspendLayout();
this.textBox1.Font = new System.Drawing.Font(“Microsoft Sans Serif”, 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.textBox1.ForeColor = System.Drawing.Color.Transparent;
this.textBox1.Location = new System.Drawing.Point(24, 56);
this.textBox1.Multiline = true;
this.textBox1.ReadOnly = true;
this.textBox1.Size = new System.Drawing.Size(144, 32);
this.textBox1.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
this.vScrollBar1.Location = new System.Drawing.Point(168, 56);
this.vScrollBar1.Size = new System.Drawing.Size(16, 32);
this.vScrollBar1.Scroll += new System.Windows.Forms.ScrollEventHandler(this.vScrollBar1_Scroll);
this.label1.Location = new System.Drawing.Point(8, 16);
this.label1.Size = new System.Drawing.Size(192, 16);
this.label1.Text = “Numeric Scolling using VScroll Bars”;
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(208, 109);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.label1,
this.vScrollBar1,
this.textBox1});
this.Text = “Numeric Scroll”;
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
}
[STAThread]
static void Main() {
Application.Run(new Form1());
}
private void textBox1_TextChanged(object sender, System.EventArgs e) {
}
private void Form1_Load(object sender, System.EventArgs e) {
vScrollBar1.Maximum = 100;
vScrollBar1.Minimum = 0;
vScrollBar1.SmallChange = 1;
}
private void vScrollBar1_Scroll(object sender, System.Windows.Forms.ScrollEventArgs e) {
if (e.Type == ScrollEventType.Last)
counter = 100;
if (e.Type == ScrollEventType.First)
counter = 0;
if (e.Type == ScrollEventType.SmallDecrement)
counter–;
if (e.Type == ScrollEventType.SmallIncrement) {
counter++;
}
if (e.Type == ScrollEventType.LargeDecrement)
counter -= 5;
if (e.Type == ScrollEventType.LargeIncrement) {
counter += 5;
}
if (e.Type == ScrollEventType.First)
counter = 0;
if (e.Type == ScrollEventType.Last)
counter = 100;
Console.WriteLine(e.NewValue + ”
“);
if (counter > 100) counter = 100;
if (counter < 0) counter = 0;
Console.WriteLine(counter.ToString());
}
}
[/csharp]
VScrollBar ValueChanged
using System;
using System.Drawing;
using System.Windows.Forms;
class ColorScroll: Form
{
Panel panel;
Label[] alabelName = new Label[3];
Label[] alabelValue = new Label[3];
VScrollBar[] avscroll = new VScrollBar[3];
public static void Main()
{
Application.Run(new ColorScroll());
}
public ColorScroll()
{
Color[] acolor = { Color.Red, Color.Green, Color.Blue };
panel = new Panel();
panel.Parent = this;
panel.Location = new Point(0, 0);
panel.BackColor = Color.White;
for (int i = 0; i < 3; i++) { alabelName[i] = new Label(); alabelName[i].Parent = panel; alabelName[i].ForeColor = acolor[i]; alabelName[i].Text = "&" + acolor[i].ToKnownColor(); alabelName[i].TextAlign = ContentAlignment.MiddleCenter; avscroll[i] = new VScrollBar(); avscroll[i].Parent = panel; avscroll[i].SmallChange = 1; avscroll[i].LargeChange = 16; avscroll[i].Minimum = 0; avscroll[i].Maximum = 255 + avscroll[i].LargeChange - 1; avscroll[i].ValueChanged += new EventHandler(ScrollOnValueChanged); avscroll[i].TabStop = true; alabelValue[i] = new Label(); alabelValue[i].Parent = panel; alabelValue[i].TextAlign = ContentAlignment.MiddleCenter; } Color color = BackColor; avscroll[0].Value = color.R; // Generates ValueChanged event avscroll[1].Value = color.G; avscroll[2].Value = color.B; OnResize(EventArgs.Empty); } protected override void OnResize(EventArgs ea) { base.OnResize(ea); int cx = ClientSize.Width; int cy = ClientSize.Height; int cyFont = Font.Height; panel.Size = new Size(cx / 2, cy); for (int i = 0; i < 3; i++) { alabelName[i].Location = new Point(i * cx / 6, cyFont / 2); alabelName[i].Size = new Size(cx / 6, cyFont); avscroll[i].Location = new Point((4 * i + 1) * cx / 24, 2 * cyFont); avscroll[i].Size = new Size(cx / 12, cy - 4 * cyFont); alabelValue[i].Location = new Point(i * cx / 6, cy - 3 * cyFont / 2); alabelValue[i].Size = new Size(cx / 6, cyFont); } } void ScrollOnValueChanged(Object obj, EventArgs ea) { for (int i = 0; i < 3; i++) if((VScrollBar) obj == avscroll[i]) alabelValue[i].Text = avscroll[i].Value.ToString(); BackColor = Color.FromArgb(avscroll[0].Value, avscroll[1].Value, avscroll[2].Value); } } [/csharp]
ScrollBars 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 ScrollBars
{
///
///
public class ScrollBars : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.VScrollBar vScrollBar1;
///
///
int counter=0;
private System.Windows.Forms.Label label1;
private System.ComponentModel.Container components = null;
public ScrollBars()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
///
///
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
///
/// the contents of this method with the code editor.
///
private void InitializeComponent()
{
this.textBox1 = new System.Windows.Forms.TextBox();
this.vScrollBar1 = new System.Windows.Forms.VScrollBar();
this.label1 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Font = new System.Drawing.Font(“Microsoft Sans Serif”, 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.textBox1.ForeColor = System.Drawing.Color.Transparent;
this.textBox1.Location = new System.Drawing.Point(24, 56);
this.textBox1.Multiline = true;
this.textBox1.Name = “textBox1”;
this.textBox1.ReadOnly = true;
this.textBox1.Size = new System.Drawing.Size(144, 32);
this.textBox1.TabIndex = 4;
this.textBox1.Text = “”;
this.textBox1.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
//
// vScrollBar1
//
this.vScrollBar1.Location = new System.Drawing.Point(168, 56);
this.vScrollBar1.Name = “vScrollBar1”;
this.vScrollBar1.Size = new System.Drawing.Size(16, 32);
this.vScrollBar1.TabIndex = 7;
this.vScrollBar1.Scroll += new System.Windows.Forms.ScrollEventHandler(this.vScrollBar1_Scroll);
//
// label1
//
this.label1.Location = new System.Drawing.Point(8, 16);
this.label1.Name = “label1”;
this.label1.Size = new System.Drawing.Size(192, 16);
this.label1.TabIndex = 6;
this.label1.Text = “Numeric Scolling using VScroll Bars”;
//
// ScrollBars
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(208, 109);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.label1,
this.vScrollBar1,
this.textBox1});
this.Name = “ScrollBars”;
this.Text = “Numeric Scroll”;
this.Load += new System.EventHandler(this.ScrollBars_Load);
this.ResumeLayout(false);
}
#endregion
///
///
[STAThread]
static void Main()
{
Application.Run(new ScrollBars());
}
private void textBox1_TextChanged(object sender, System.EventArgs e)
{
}
private void ScrollBars_Load(object sender, System.EventArgs e)
{
// Set the maximum range for the scrollbar
vScrollBar1.Maximum = 100;
// Set the minimum range for the scrollbar
vScrollBar1.Minimum = 0 ;
// Set the SmallChange factor
vScrollBar1.SmallChange = 1;
}
private void vScrollBar1_Scroll(object sender, System.Windows.Forms.ScrollEventArgs e)
{
// Check if the increment is Small
if ( e.Type == ScrollEventType.Last )
counter = 100 ;
else
// Check if the scroll is moved to minimum pos
if ( e.Type == ScrollEventType.First)
counter = 0 ;
else
// Check if the scroll is moved small distance
if ( e.Type == ScrollEventType.SmallDecrement )
counter — ;
else
// Check if the scroll is moved small distance
if ( e.Type == ScrollEventType.SmallIncrement )
{
counter++;
MessageBox.Show(“Small increment”);
}
else
// Check if the scroll is moved large distance
if ( e.Type == ScrollEventType.LargeDecrement )
counter-=5;
else
// Check if the scroll is moved large distance
if ( e.Type == ScrollEventType.LargeIncrement )
{
MessageBox.Show(“Large increment”);
counter+=5;
}
else
// Check if the scroll is moved to the Min position
if ( e.Type == ScrollEventType.First )
counter = 0 ;
else
// Check if the scroll to the Max position
if ( e.Type == ScrollEventType.Last)
counter = 100 ;
Console.WriteLine(e.NewValue+”
“);
// Check if the scroll is moved large distance
if ( counter > 100 ) counter = 100 ;
if ( counter < 0 ) counter = 0 ;
textBox1.Text = counter.ToString() ;
}
}
}
[/csharp]