/// <summary>

 /// 回车切换控件

 /// </summary>

 /// <param name="sender"></param>

 /// <param name="e"></param>

 private void FrmDataCheckRule_KeyPress(object sender, KeyPressEventArgs e)

        {

            if (e.KeyChar ==)

            {

                if ((ActiveControl is TextBoxX))

                {

                    //textBoxX可多行操作时不跳转

                    if (!(ActiveControl as TextBoxX).Multiline)

                        System.Windows.Forms.SendKeys.Send("{tab}");

                }

                else

                    System.Windows.Forms.SendKeys.Send("{tab}");

                // MessageBox.Show(ActiveControl.Name);

            }

        }

this.KeyPreview = true;