원래 폼 사이즈 800*400 폼을 400,400 사이즈 변경 후
중앙에 위치하게
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.Size = New System.Drawing.Size(400, 400)
Me.Location = New Point(System.Windows.Forms.Screen.PrimaryScreen.Bounds.Width() / 2 - 200, System.Windows.Forms.Screen.PrimaryScreen.Bounds.Height() / 2 - 200)
End Sub