PDFOffice_Windows_exe/PDF Office/Views/Dialog/ServiceDialog/CodeRegion.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Prism.Ioc;
using Prism.Regions;

namespace PDF_Office.Views.Dialog.ServiceDialog
{
    /// <summary>
    /// CodeRegion.xaml 的交互逻辑
    /// </summary>
    public partial class CodeRegion : UserControl
    {
        public CodeRegion()
        {
            InitializeComponent();
            text_Code1.Focus();
        }


        private void Code_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (text_Code1.Text.Length >= 1)
            {
                text_Code2.Focus();
            }
            else if(text_Code1.Text.Length == 0)
            {
                text_Code1.Focus();
            }
            else if (text_Code1.Text.Length > 1)
            {
                text_Code1.Text = text_Code1.Text.Substring(0, 1);
                text_Code1.Focus();
            }
        }

        private void text_Code2_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (text_Code2.Text.Length >= 1)
            {
                text_Code3.Focus();
            }
            else if (text_Code2.Text.Length == 0)
            {
                text_Code1.Focus();
            }
            else if (text_Code2.Text.Length > 1)
            {
                text_Code2.Text = text_Code2.Text.Substring(0, 1);
                text_Code2.Focus();
            }
        }

        private void text_Code3_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (text_Code3.Text.Length >= 1)
            {
                text_Code4.Focus();
            }
            else if (text_Code3.Text.Length == 0)
            {
                text_Code2.Focus();
            }
            else if (text_Code3.Text.Length > 1)
            {
                text_Code3.Text = text_Code3.Text.Substring(0, 1);
                text_Code3.Focus();
            }
        }

        private void text_Code4_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (this.text_Code4.Text.Length >= 1)
            {
                this.text_Code5.Focus();
            }
            else if (text_Code4.Text.Length == 0)
            {
                text_Code3.Focus();
            }
            else if (text_Code4.Text.Length > 1)
            {
                text_Code4.Text = text_Code4.Text.Substring(0, 1);
                text_Code4.Focus();
            }
        }

        private void text_Code5_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (this.text_Code5.Text.Length == 1)
            {
                this.text_Code6.Focus();
            }
            else if (text_Code5.Text.Length == 0)
            {
                text_Code4.Focus();
            }
            else if (text_Code5.Text.Length > 1)
            {
                text_Code5.Text = text_Code5.Text.Substring(0, 1);
                text_Code5.Focus();
            }
        }

        private void text_Code6_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (this.text_Code6.Text.Length == 1)
            {
                text_Code6.Focus();
            }
            else if (text_Code6.Text.Length == 0)
            {
                text_Code5.Focus();
            }
            else if(text_Code6.Text.Length >1)
            {
                text_Code6.Text = text_Code6.Text.Substring(0,1);
                text_Code6.Focus();
            }

        }

      
    }
}