Mega Code Archive
ScrollEventType SmallDecrement
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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
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;
public ScrollBars()
{
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.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.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);
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";
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.ScrollBars_Load);
this.ResumeLayout(false);
}
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)
{
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 ;
else if ( e.Type == ScrollEventType.First)
counter = 0 ;
else if ( e.Type == ScrollEventType.SmallDecrement )
counter -- ;
else if ( e.Type == ScrollEventType.SmallIncrement )
{
counter++;
MessageBox.Show("Small increment");
}
else if ( e.Type == ScrollEventType.LargeDecrement )
counter-=5;
else if ( e.Type == ScrollEventType.LargeIncrement )
{
MessageBox.Show("Large increment");
counter+=5;
}
else
if ( e.Type == ScrollEventType.First )
counter = 0 ;
else
if ( e.Type == ScrollEventType.Last)
counter = 100 ;
Console.WriteLine(e.NewValue+"\n");
if ( counter > 100 ) counter = 100 ;
if ( counter < 0 ) counter = 0 ;
textBox1.Text = counter.ToString() ;
}
}
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