Public Class Form1
    Inherits System.Windows.Forms.Form
    Dim Number As Integer = 0
Windows Form Designer generated code
    Private Sub btnAdd_Click(ByVal sender As System.Object, _
      ByVal e As System.EventArgs) Handles btnAdd.Click
        Number = Number + 1
        Me.lblCount.Text = Number
    End Sub 'btnAdd_Click

    Private Sub btnMinus_Click(ByVal sender As Object, _ 
      ByVal e As System.EventArgs) Handles btnMinus.Click
        Number = Number - 1
        Me.lblCount.Text = Number
    End Sub 'btnMinus_Click

    Private Sub btnReset_Click(ByVal sender As Object, _ 
      ByVal e As System.EventArgs) Handles btnReset.Click
        Number = 0
        Me.lblCount.Text = Number
    End Sub 'btnMinus_Click
End Class