private void PerformFunctionPlug2_Click(object sender, EventArgs e) { try { bool tmp, f = false; webservice2.CheckingForDivisibilityByThree(Convert.ToInt32(maskedTextBox2.Text), true, out tmp, out f); ResultPerformingForBaseThree.Text = tmp.ToString(); } catch (Exception ex) { ResultPerformingForBaseThree.Text = ex.Message; } }