private void pressure_btn_Click(object sender, EventArgs e)
{
if (pressureForm == null)
{
pressureForm = new PressureForm();
pressureForm.FormClosed += PressureForm_FormClosed;
}
this.Cursor = Cursors.WaitCursor;
pressureForm.Show();
this.Hide();
}
private void PressureForm_FormClosed(object sender, FormClosedEventArgs e)
{
pressureForm.FormClosed -= PressureForm_FormClosed;
pressureForm = null;
}
