How to Scroll a Text in VB.Net

Use a timer control in Visual Basic to execute code.

Scrolling text in a control using Visual Basic.NET is not as complicated as you may think. In order for you to scroll text, you're going to need to execute a section of code a number of times. The best way to do this is by using a "Timer" control in your application. You can start a timer to execute your code until the timer is stopped. The "Timer" control is invisible to the user, and it's commonly used for background processing.

Things You'll Need

• Microsoft Visual Studio

Instructions

1. Launch Microsoft Visual Studio, click "New Project" from the left pane of your computer screen, and expand "Visual Basic" below "Installed Templates." Click "Windows" and double-click "Windows Forms Application" from the center of the dialog window, to create a new project.

2. Double-click "Timer" to add a timer to your form. Double-click "Label" to add a new label to your form. Add a button using the same technique. Double-click "Button1" to create a click event for this button.

3. Copy and paste the following code inside the button click event:

   For index As Integer = 0 To UBound(textString)

   Dim workedString As String = ""

   workedString = scrollText.Substring(index) & " " & scrollText.Substring(0, index)

   textString(index) = workedString

   Next

   Timer1.Interval = 75

   Timer1.Enabled = True

   Timer1.Start()

4. Switch back to form design view and double-click "Timer1" to create a tick event for the timer. Add the following code inside the event:

   xPos += 1

   Dim tmrStr As String

   tmrStr = textString(xPos)

   Label1.Text = tmrStr

   If xPos = UBound(textString) Then xPos = -1

5. Press "F5" to run the program, and click "Button1" to display scrolling text using the label.

References

• MSDN: Timer.Start Method
• MSDN: String.Substring Method