WPF自定义搜索框代码分享

  public partial class SearchControl : UserControl
  {
    public SearchControl()
    {
      InitializeComponent();
    }

    public event EventHandler OnSearch; 
    private void BtnSearch_OnClick(object sender, RoutedEventArgs e)
    {
      ExeccuteSearch();
    }

    private void TbxInput_OnKeyDown(object sender, KeyEventArgs e)
    {
      ExeccuteSearch();
    }

    private void ExeccuteSearch()
    {
      if (OnSearch!=null)
      {
        var args=new SearchEventArgs();
        args.SearchText = TbxInput.Text;
        OnSearch(this, args);
      }
    }
  }
  public class SearchEventArgs : EventArgs
  {
    public string SearchText { get; set; }
  }