void columnsButton_Click(object sender, RoutedEventArgs e)
{
ColumnPicker columnPicker = new ColumnPicker(tableMappingViewModel);
columnPicker.ShowDialog();
tableMappingViewModel.UpdateColumnMappings();
}
void ColumnPicker_Closed(object sender, EventArgs e)
{
foreach (ColumnPickerItem item in items)
{
ColumnMapping columnMapping = item.ColumnMapping;
if (item.IsSelected && columnMapping.ColumnUse == ColumnUse.Exclude)
{
columnMapping.ColumnUse = viewModel.TableMapping.AllowedColumnUses()[0];
}
else if (!item.IsSelected)
{
columnMapping.ColumnUse = ColumnUse.Exclude;
}
}
viewModel.UpdateColumnMappings();
}