This code countdown from 10 seconds to 0 second,then capture image and save to the specific folder,and than countdown to -1,-2,-3 etc,but I don't wont thet count to -1,-2,-3 etc...
I would like to do that when it comes to 0 seconds,that the timer countdown again from 10 second countdown to 0 and overvrite the image

Can somebody explain me how to do it?Thanks for any help

this is code

Code:
Public Class Form1

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Dim SC As String = 0
        Label1.Text -= SC + 1
        If Label1.Text = 0 Then
        End If
        If Label1.Text = 0 Then
            Try
                Dim scr As Size = New Size(My.Computer.Screen.Bounds.Width, My.Computer.Screen.Bounds.Height)
                Dim screenGrab As New Bitmap(My.Computer.Screen.Bounds.Width, My.Computer.Screen.Bounds.Height)
                Dim G As System.Drawing.Graphics = System.Drawing.Graphics.FromImage(screenGrab)
                G.CopyFromScreen(New Point(0, 0), New Point(0, 0), scr)
                screenGrab.Save("C:\test.jpeg")
            Catch ex As Exception
            End Try
        End If
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Label1.Enabled = True
        Timer1.Start()
    End Sub

    Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click
        Label1.Enabled = False
    End Sub
End Class