Declaración:

<System.Runtime.InteropServices.DllImport("user32")>
    Private Shared Function GetAsyncKeyState(ByVal vkey As System.Windows.Forms.Keys) As Short
    End Function
    Public Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Integer,
    ByVal hWndInsertAfter As Integer, ByVal X As Integer, ByVal Y As Integer)
    Dim Count As Integer = 0
    Declare Sub mouse_event Lib "user32" Alias "mouse_event" (ByVal dwFlags As Integer, ByVal dx As Integer, ByVal dy As Integer, ByVal cButtons As Integer, ByVal dwExtraInfo As Integer)
    Private Const MouseClickUp = &H2
    Private Const MouseClickDown = &H4

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Timer1:

Windows.Forms.Cursor.Position = New Point(Windows.Forms.Cursor.Position.X, Windows.Forms.Cursor.Position.Y)
        LinkLabel1.Text = Windows.Forms.Cursor.Position.X
        LinkLabel2.Text = Windows.Forms.Cursor.Position.Y
        Timer1.Interval = NumericUpDown1.Value
        Windows.Forms.Cursor.Position = New Point(TextBox1.Text, TextBox2.Text)
        mouse_event(MouseClickUp, 0, 0, 0, 0)
        mouse_event(MouseClickDown, 0, 0, 0, 0)

        mouse_event(MouseClickUp, 0, 0, 0, 0)
        mouse_event(MouseClickDown, 0, 0, 0, 0)

        mouse_event(MouseClickUp, 0, 0, 0, 0)
        mouse_event(MouseClickDown, 0, 0, 0, 0)
        Windows.Forms.Cursor.Position = New Point(LinkLabel1.Text, LinkLabel2.Text)

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Timer2:

Dim Tecla As Boolean
        Tecla = GetAsyncKeyState(Keys.F1)
        If Tecla = True Then Timer1.Start()
        Dim Tecla1 As Boolean
        Tecla1 = GetAsyncKeyState(Keys.F2)
        If Tecla1 = True Then Timer1.Stop()

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Timer3:
Dim SetPoint As Boolean
        SetPoint = GetAsyncKeyState(Keys.F3)
        If SetPoint = True Then TextBox1.Text = MousePosition.X : TextBox2.Text = MousePosition.Y