private void bRoofing_Click(object sender, EventArgs e) { if (m_Roofing == null) { m_Roofing = new RoofingForm(); m_Roofing.Closed += m_Roofing_Closed; } m_Roofing.Show(); }
private void m_Roofing_Closed(object sender, EventArgs e) { m_Roofing.Dispose(); m_Roofing = null; }