* 시작/정지를 버튼 하나로 만듬

* LAP Time기록, 넘버링 기록

Public Class Form1

    Dim n1 As Integer

    Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click

        If Timer1.Enabled = False Then

            Timer1.Enabled = True : Button1.Text = "정지"

        ElseIf Timer1.Enabled = True Then

            Timer1.Enabled = False : Button1.Text = "시작"

        End If

    End Sub

    Private Sub Button2_Click(sender As System.Object, e As System.EventArgs) Handles Button2.Click

        Label1.Text = "0.0"

        TextBox1.Text = ""

        n1 = 0

    End Sub

    Private Sub Timer1_Tick(sender As System.Object, e As System.EventArgs) Handles Timer1.Tick

        Label1.Text = Label1.Text + 0.01

    End Sub

    Private Sub Button3_Click(sender As System.Object, e As System.EventArgs) Handles Button3.Click

        n1 += 1

        TextBox1.AppendText(Label1.Text & " <---- " & n1 & vbCrLf)

    End Sub

End Class