CED.MainForm.ValidateCustomProvider C# (CSharp) Метод

        private bool ValidateCustomProvider()
        {
            if (string.IsNullOrEmpty(customProviderTextBox.Text) && customProviderTextBox.Enabled)
            {
                errorProviderCustomProvider.SetError(customProviderTextBox, "Please enter Configuration Section name.");
                return false;
            }

            return true;
        }