Const WM_SYSCOMMAND As Int32 = &H112
Const SC_RESTORE As Int32 = &HF120
Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message)
If m.Msg = WM_SYSCOMMAND Then
If m.WParam = SC_RESTORE Then Return
End If
MyBase.WndProc(m)
End Sub