C# Source Codes

marquee text

using System;
using System.Drawing;
using System.Windows.Forms;
using System.Threading;
using System.Text;

namespace MovingText
{
public class TextMoverForm : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label;
private System.Windows.Forms.Button button1;
private Thread thread;
public TextMoverForm()
{
InitializeComponent();
thread = new Thread( new ThreadStart( DrawMovingText ) );
}
private void InitializeComponent()
{
this.label = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();
this.label.Location = new System.Drawing.Point(0, 0);
this.label.Name = "label";
this.label.Size = new System.Drawing.Size(325, 16);
this.label.TabIndex = 0;
this.label.Text = "Click Anywhere Or Resize the Form to Restart The Moving Text";
this.label.Click += new System.EventHandler(this.label_Click);
this.button1.Location = new System.Drawing.Point(192, 352);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(136, 23);
this.button1.TabIndex = 1;
this.button1.Text = "Close Window";
this.button1.Click += new System.EventHandler(this.button1_Click);
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(492, 466);
this.Controls.Add(this.button1);
this.Controls.Add(this.label);
this.Name = "TextMoverForm";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "Moving Text";
this.Resize += new System.EventHandler(this.Form_Resize);
this.Load += new System.EventHandler(this.Form_Load);
this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Form_MouseUp);
this.ResumeLayout(false);

}
static void Main()
{
Application.Run( new TextMoverForm() );
}

private void Form_Load( object sender, System.EventArgs e )
{
StartThread();
}
private void Form_MouseUp( object sender, System.Windows.Forms.MouseEventArgs e )
{
StartThread();
}
private void Form_Resize( object sender, System.EventArgs e )
{
StartThread();
}
private void label_Click( object sender, System.EventArgs e )
{
StartThread();
}
private void StartThread()
{
thread.Abort();
Thread.Sleep( 100 );
Invalidate();
thread = new Thread( new ThreadStart( DrawMovingText ) );
thread.Start();
}

private void DrawMovingText()
{
Graphics grfx = CreateGraphics();
Font font = new Font( "Courier New", 20, FontStyle.Bold );
string spaces = " ";
StringBuilder str = new StringBuilder( "hello friend how r u............." + spaces );

Rectangle rect = CreateRect( grfx, str, font );

int numCycles = str.Length * 3 + 1;
for( int i = 0; i < numCycles; ++i )
{
grfx.FillRectangle( Brushes.White, rect );
grfx.DrawString( str.ToString(), font, Brushes.Red, rect );
str.Append( str[0] );
str.Remove( 0, 1 );
Thread.Sleep( 150 );
}
grfx.Dispose();
}

private Rectangle CreateRect( Graphics grfx, StringBuilder str, Font font )
{
int w = (int)grfx.MeasureString( str.ToString(), font ).Width + 5;
int h = (int)grfx.MeasureString( str.ToString(), font ).Height;
int x = (int)this.Width / 2 - w / 2;
int y = (int)this.Height / 2 - h;
return new Rectangle( x, y, w, h );
}

private void button1_Click(object sender, System.EventArgs e)
{
Close();
}
}
}

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