[sooriaty03]

السلام عليكم ورحمة الله وبركاته
تفضل أخي الكريم

كود :

Public Class Form1
    Private Sub Form1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
        If e.KeyCode = Keys.F1 Then
            Timer1.Enabled = True
        ElseIf e.KeyCode = Keys.F2 Then
            Timer1.Enabled = False
        End If
    End Sub
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Me.KeyPreview = True
    End Sub

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

    End Sub
End Class

بالتوفيق