private void btnFlaBereinig_Click(object sender, EventArgs e) { if (_FlaBereinigShield) { return; } try { _FlaBereinigShield = true; Globs.CancelCommand(); _AcAp.Application.DocumentManager.MdiActiveDocument.SendStringToExecute("Plan2FlaBereinig ", true, false, false); } catch (Exception ex) { _AcAp.Application.ShowAlertDialog(ex.Message); } finally { _FlaBereinigShield = false; } }