SIL.FieldWorks.LexText.Controls.MasterCategoryListDlg.MasterCategoryListDlg_Closing C# (CSharp) Method

		private void MasterCategoryListDlg_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			switch (DialogResult)
			{
				default:
					m_selPOS = null;
					break;
				case DialogResult.OK:
				{
					// Closing with normal selection(s).
					foreach (TreeNode tn in m_nodes)
					{
						MasterCategory mc = tn.Tag as MasterCategory;
						Debug.Assert(mc != null);
						if ((tn.Checked || (tn == m_tvMasterList.SelectedNode))
							&& !mc.InDatabase)
						{
							// if this.m_subItemOwner != null, it indicates where to put the newly chosed POS
							mc.AddToDatabase(m_cache,
								m_posList,
								(tn.Parent == null) ? null : tn.Parent.Tag as MasterCategory,
								m_subItemOwner);
						}
					}
					MasterCategory mc2 = m_tvMasterList.SelectedNode.Tag as MasterCategory;
					Debug.Assert(mc2 != null);
					m_selPOS = mc2.POS;
					Debug.Assert(m_selPOS != null);
					break;
				}
				case DialogResult.Yes:
				{
					// Closing via the hotlink.
					// Do nothing special, except avoid setting m_selPOS to null, as in the default case.
					break;
				}
			}

			if (m_mediator != null)
			{
				m_mediator.PropertyTable.SetProperty("masterCatListDlgLocation", Location);
				m_mediator.PropertyTable.SetProperty("masterCatListDlgSize", Size);
			}
		}