Dear all,

I am trying to code with visual basic 2010.

I have 2 button START and STOP . if start button pressed while loop should executed with printing "hello" first time and "welcome"in second time . This loop should executed evey 5s. If stop button pressed while loop should end print " stop button pressed on same rich textbox

Code:
Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button_click.Click
       
            Timer1.Interval = 1000 '3 seconds
            Timer1.Enabled = True
        RichTextBox1.Text = "hello"
        RichTextBox1.Text = "\n wait\n"


    End Sub


    Private Sub Button_stop_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button_stop.Click
        Timer1.Enabled = False
        RichTextBox1.Text = "Button stop pressed"
    End Sub
End Class