private async void btnRefreshProgress_Click(object sender, EventArgs e)
{
try
{
var step = (dgvSteps.DataSource as BindingSource).Current as DataMigration.Step;
var progress = await _migrator.QueryMappingProgressAsync(_doc.Document, step);
propertyGrid1.SelectedObject = progress;
}
catch (Exception exc)
{
MessageBox.Show(exc.Message);
}
}