private void AddWorkstationOU() { bool?isAdded = ADContext.AddWorkstationGroupOU(workstationGroup, OrgUnit); if (isAdded == true) { MessageBox.Show("Workstation OU added to group: " + workstationGroup); DialogResult = DialogResult.OK; this.Close(); } else if (isAdded == false) { MessageBox.Show("OU already exists in group: " + workstationGroup, "Error!"); DialogResult = DialogResult.Cancel; return; } else { MessageBox.Show("Workstation group does not exist and may have already been deleted."); DialogResult = DialogResult.Cancel; return; } }