My Third Project

Public Class Form9
    Private Declare Function GetAsyncKeyState Lib "user32.dll" (ByVal vKey As System.Int16) As Int16
    Private Sub SpamMessage()
        Dim RandomClass As New Random()
        SendKeys.SendWait(TextBox1.Text)
        SendKeys.SendWait(Keys.Enter)
        If CheckBox1.Checked = True Then
            Dim RandomNumber As Integer
            RandomNumber = RandomClass.Next()
            SendKeys.SendWait(TextBox1.Text)
            SendKeys.SendWait(RandomNumber)
            SendKeys.SendWait(Keys.Enter)
        End If
    End Sub

    Private Sub Timer1_Tick(ByVal sender As Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Timer1.Interval = TextBox2.Text * 1000 + TextBox3.Text
        SpamMessage()
        Dim f5key As Boolean
        Dim f4key As Boolean
        f4key = GetAsyncKeyState(Keys.F4)
        f5key = GetAsyncKeyState(Keys.F5)
        If f4key = True Then
            Timer1.Start()
        End If
        If f5key = True Then
            Timer1.Stop()
        End If
    End Sub

    Private Sub Form9_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        MsgBox("NOTE: YOU MUST ENTER A VALUE FOR BOTH SECONDS AND MILLISECONDS.")
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Timer1.Start()
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Timer1.Stop()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        TextBox1.Text = ""
        TextBox2.Text = ""
        TextBox3.Text = ""
    End Sub
End Class