Marquee Label Demo
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form
{
private MarqueeLabel marqueeLabel1;
private System.Windows.Forms.GroupBox GroupBox1;
private System.Windows.Forms.Label Label2;
private System.Windows.Forms.TrackBar tbInterval;
private System.Windows.Forms.Label Label1;
private System.Windows.Forms.TrackBar tbAmount;
public Form1() {
InitializeComponent();
}
private void tbAmount_ValueChanged(object sender, EventArgs e)
{
marqueeLabel1.ScrollPixelAmount = tbAmount.Value;
}
private void tbInterval_ValueChanged(object sender, EventArgs e)
{
marqueeLabel1.tmrScroll.Interval = tbInterval.Value;
}
private void InitializeComponent()
{
this.GroupBox1 = new System.Windows.Forms.GroupBox();
this.Label2 = new System.Windows.Forms.Label();
this.tbInterval = new System.Windows.Forms.TrackBar();
this.Label1 = new System.Windows.Forms.Label();
this.tbAmount = new System.Windows.Forms.TrackBar();
this.marqueeLabel1 = new MarqueeLabel();
this.GroupBox1.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.tbInterval)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.tbAmount)).BeginInit();
this.SuspendLayout();
//
// GroupBox1
//
this.GroupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.GroupBox1.Controls.Add(this.Label2);
this.GroupBox1.Controls.Add(this.tbInterval);
this.GroupBox1.Controls.Add(this.Label1);
this.GroupBox1.Controls.Add(this.tbAmount);
this.GroupBox1.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.GroupBox1.Location = new System.Drawing.Point(22, 177);
this.GroupBox1.Name = "GroupBox1";
this.GroupBox1.Size = new System.Drawing.Size(336, 132);
this.GroupBox1.TabIndex = 6;
this.GroupBox1.TabStop = false;
//
// Label2
//
this.Label2.Location = new System.Drawing.Point(12, 76);
this.Label2.Name = "Label2";
this.Label2.Size = new System.Drawing.Size(80, 23);
this.Label2.TabIndex = 6;
this.Label2.Text = "Scroll Interval:";
//
// tbInterval
//
this.tbInterval.Location = new System.Drawing.Point(96, 72);
this.tbInterval.Maximum = 500;
this.tbInterval.Minimum = 10;
this.tbInterval.Name = "tbInterval";
this.tbInterval.Size = new System.Drawing.Size(228, 45);
this.tbInterval.TabIndex = 5;
this.tbInterval.TickFrequency = 10;
this.tbInterval.Value = 100;
this.tbInterval.ValueChanged += new System.EventHandler(this.tbInterval_ValueChanged);
//
// Label1
//
this.Label1.Location = new System.Drawing.Point(12, 20);
this.Label1.Name = "Label1";
this.Label1.Size = new System.Drawing.Size(80, 23);
this.Label1.TabIndex = 4;
this.Label1.Text = "Scroll Amount:";
//
// tbAmount
//
this.tbAmount.Location = new System.Drawing.Point(96, 16);
this.tbAmount.Maximum = 20;
this.tbAmount.Name = "tbAmount";
this.tbAmount.Size = new System.Drawing.Size(228, 45);
this.tbAmount.TabIndex = 3;
this.tbAmount.Value = 10;
this.tbAmount.ValueChanged += new System.EventHandler(this.tbAmount_ValueChanged);
//
// marqueeLabel1
//
this.marqueeLabel1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.marqueeLabel1.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(255)))), ((int)(((byte)(192)))));
this.marqueeLabel1.Font = new System.Drawing.Font("Verdana", 26.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.marqueeLabel1.ForeColor = System.Drawing.Color.Navy;
this.marqueeLabel1.Location = new System.Drawing.Point(-2, 7);
this.marqueeLabel1.Name = "marqueeLabel1";
this.marqueeLabel1.tmrScroll.Interval = 100;
this.marqueeLabel1.Size = new System.Drawing.Size(384, 156);
this.marqueeLabel1.TabIndex = 7;
this.marqueeLabel1.Tag = "";
this.marqueeLabel1.DisplayText = "This scrolls!";
//
// MarqueeTestForm
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(381, 322);
this.Controls.Add(this.marqueeLabel1);
this.Controls.Add(this.GroupBox1);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.Name = "MarqueeTestForm";
this.Text = "MarqueeTestForm";
this.GroupBox1.ResumeLayout(false);
this.GroupBox1.PerformLayout();
((System.ComponentModel.ISupportInitialize)(this.tbInterval)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.tbAmount)).EndInit();
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
public class MarqueeLabel : Control
{
public string DisplayText;
public int ScrollPixelAmount = 10;
public System.Windows.Forms.Timer tmrScroll;
private int position = 0;
public MarqueeLabel()
{
this.tmrScroll = new System.Windows.Forms.Timer(new System.ComponentModel.Container());
this.tmrScroll.Tick += new System.EventHandler(this.tmrScroll_Tick);
this.Size = new System.Drawing.Size(360, 104);
DoubleBuffered = true;
ResizeRedraw = true;
tmrScroll.Enabled = true;
}
private void tmrScroll_Tick(object sender, System.EventArgs e)
{
position += ScrollPixelAmount;
Invalidate();
}
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
base.OnPaint(e);
if (position > Width)
{
position = -(int)e.Graphics.MeasureString(DisplayText, Font).Width;
}
e.Graphics.DrawString(DisplayText, Font, new SolidBrush(ForeColor), position, 0);
}
}
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