まず、プログラムに Timer コンポーネントを追加します。
タイマー(名前は timer1)を有効にします。
Interval を 100 に設定します。
次に、以下のコードを入力します(そのまま貼り付けて、既存のコードを上書きしてください)。
Option Strict Off
Option Explicit On
Public Class Form1
Inherits System.Windows.Forms.Form
Private Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Integer, ByVal hWndInsertAfter As Integer, ByVal X As Integer, ByVal Y As Integer, ByVal cx As Integer, ByVal cy As Integer, ByVal wFlags As Integer) As Integer
Dim IntR As Object
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.Top = 0
Me.Left = 0
Me.Width = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Width
Me.Height = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Height
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
IntR = SetWindowPos(Me.Handle.ToInt32, -1, 0, 0, 0, 0, 3)
End Sub
End Class