BPASmartClient/BPASmartClient.CustomResource/UserControls/UserKeyBoard.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;

namespace BPASmartClient.CustomResource.UserControls
{
    /// <summary>
    /// UserKeyBoard.xaml 的交互逻辑
    /// </summary>
    public partial class UserKeyBoard : UserControl
    {
        public Action<object> MyKeyDown;

        public UserKeyBoard()
        {
            InitializeComponent();
        }

        //通过判断按钮的content属性来做对应处理
        private void ButtonGrid_Click(object sender, RoutedEventArgs e)
        {
            Button clickedButton = (Button)e.OriginalSource;    //获取click事件触发源，即按了的按钮
            switch((String)clickedButton.Content)
            {
                case "DEL":
                    MyKeyDown(EKeyitem.DEL);
                    break;
                case "AC":
                    MyKeyDown(EKeyitem.AC);
                    break;
                case "确认":
                    MyKeyDown(EKeyitem.OK);
                    break;
                case "A/a":
                    UIElementCollection grd = ButtonGrid.Children;
                    int count = grd.Count;
                    for (int i = 0; i < count; i++)
                    {
                        Button buttonTemp = grd[i] as Button;
                        String contentTemp = buttonTemp.Content as String;
                        if (contentTemp == "AC" || contentTemp == "A/a" || contentTemp == "确认" || contentTemp == "DEL")
                            continue;
                        buttonTemp.Content = contentTemp[0] > 90 ? contentTemp.ToUpper() : contentTemp.ToLower();
                    }
                    break;
                default:
                    MyKeyDown((String)clickedButton.Content);
                    break;
            }
        }


        public enum EKeyitem
        {
            DEL,
            AC,
            Shift,
            OK,
            A

        }
    }
}