private void desenfoque_abrir_formulario() { overlayForm = new frm_blur(); overlayForm.StartPosition = FormStartPosition.Manual; overlayForm.WindowState = FormWindowState.Maximized; overlayForm.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; overlayForm.Opacity = .50d; overlayForm.BackColor = Color.Black; overlayForm.ShowInTaskbar = false; overlayForm.Show(); }