Hello Philip,
There is no telerik control that does this, but i have prepared a CustomRadTextBoxControl that will do this, please see the following example, it should help you accomplish your task:
using System;
using System.Windows.Forms;
using Telerik.WinControls.UI;
public partial class Form1 : Form
{
ScrollableRadTextBox radTextBox1 = new ScrollableRadTextBox();
public Form1()
{
InitializeComponent();
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
radTextBox1.Dock = DockStyle.Top;
this.Controls.Add(radTextBox1);
radTextBox1.Text = "This is a test of the emergency broadcast systems";
radTextBox1.StartScrolling(20);
var stopButton = new RadButton();
stopButton.Text = "Stop";
this.Controls.Add(stopButton);
stopButton.Dock = DockStyle.Bottom;
stopButton.Click += new EventHandler(stopButton_Click);
var startButton = new RadButton();
startButton.Text = "Start";
this.Controls.Add(startButton);
startButton.Dock = DockStyle.Bottom;
startButton.Click += new EventHandler(startButton_Click);
}
void stopButton_Click(object sender, EventArgs e)
{
radTextBox1.EndScrolling();
}
void startButton_Click(object sender, EventArgs e)
{
radTextBox1.StartScrolling(20);
}
}
public class ScrollableRadTextBox : RadTextBox
{
private Timer scrollTimer = new Timer();
private string currentText;
public override string ThemeClassName
{
get
{
return typeof(RadTextBox).FullName;
}
}
public ScrollableRadTextBox()
: base()
{
scrollTimer.Interval = 200;
}
private void ScrollText(int noCharacters)
{
if (this.Text.Length == 0 || this.Text.Length < noCharacters)
{
return;
}
var pos = 0;
currentText = Text;
var tempText = currentText + " " + currentText;
scrollTimer.Tick += delegate
{
if (pos - 1 > currentText.Length) pos = 0;
Text = tempText.Substring(pos++, noCharacters);
};
scrollTimer.Start();
}
public void StartScrolling(int noCharacters)
{
this.ScrollText(noCharacters);
}
public void EndScrolling()
{
scrollTimer.Stop();
this.Text = currentText;
}
}
Hope this helps, if you have any other questions or comments, please let me know,
Best Regards,
Emanuel Varga