[Help]Spammer Coding (TextBox1,2 ETC)

Public Class Form1
    Private Declare Function GetAsyncKeyState Lib "user32" (ByVal Vkey As Long) As Integer

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Spammer.Enabled = True

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Spammer.Enabled = False

    End Sub

    Private Sub Spammer_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Spammer.Tick
        SendKeys.Send(TextBox1.Text)
        SendKeys.Send("{ENTER}")

    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Hotkeys.Tick
        If GetAsyncKeyState(Keys.F1) Then ' if the F1 button gets pr
            Spammer.Start()

        End If

        If GetAsyncKeyState(Keys.F2) Then
            Spammer.Stop()
            MsgBox("Cred gamernuub")
        End If