SIL.FieldWorks.TE.ImportDialog.btnSource_Click C# (CSharp) Метод

		private void btnSource_Click(object sender, System.EventArgs e)
		{
			using (ImportWizard importWizard = new ImportWizard(m_scr.Cache.ProjectId.Name,
				m_scr, m_StyleSheet, m_helpTopicProvider, m_app))
			{
				using (NonUndoableUnitOfWorkHelper undoHelper = new NonUndoableUnitOfWorkHelper(ActionHandler))
				{
					if (importWizard.ShowDialog() == DialogResult.Cancel)
					{
						// Ditch any in-memory changes made to the settings. Reload from the DB.
						m_importSettings.RevertToSaved();
					}
					else
						undoHelper.RollBack = false;
				}

				// If there are no files after showing the wizard, close the import dialog
				if (InitBookNameList() == 0)
				{
					MessageBox.Show(this, DlgResources.ResourceString("kstidImportFilesUnavailable"),
						m_app.ApplicationName, MessageBoxButtons.OK, MessageBoxIcon.Information);
					Close();
					return;
				}

				// The default set of settings may have changed.
				m_importSettings = m_scr.DefaultImportSettings;

				// Update the file ranges for import because they may have changed.
				InitializeStartAndEndRefControls();

				// Update the passage controls to reflect the new range of files available
				// Only make changes that do not expand the available range of books since a
				// range may have been specified before the wizard was run that we do not
				// want to overwrite
				if (!scrPsgFrom.IsReferenceValid(scrPsgFrom.ScReference))
					SetStartRefToFirstImportableBook();

				if (!scrPsgTo.IsReferenceValid(scrPsgTo.ScReference))
					SetEndRefToLastImportableBook();
			}
			btnOK.Focus();
		}