PDFOffice_Windows_exe/PDF Office/CustomControl/ListBoxItemToolBar.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.Input;

namespace PDF_Office.CustomControl
{
    public class ListItemQuickTool : ListBoxItem
    {
        // 属性的定义与注册
        public static DependencyProperty IsOverModularProperty = DependencyProperty.Register("IsOverModular", typeof(bool), typeof(ListItemQuickTool), new PropertyMetadata(false));

        // 属性的包装
        public bool IsOverModular
        {
            get { return (bool)GetValue(IsOverModularProperty); }
            set { SetValue(IsOverModularProperty, value); }
        }

        protected override void OnDragEnter(DragEventArgs e)
        {
            base.OnDragEnter(e);
            IsOverModular = true;
        }

        protected override void OnDragLeave(DragEventArgs e)
        {
            base.OnDragLeave(e);
            IsOverModular = false;
        }

        protected override void OnDragOver(DragEventArgs e)
        {
            base.OnDragOver(e);

            IsOverModular = true;
        }

        protected override void OnDrop(DragEventArgs e)
        {
            base.OnDrop(e);
            IsOverModular = false;
        }

        protected override void OnPreviewMouseLeftButtonUp(MouseButtonEventArgs e)
        {
            base.OnPreviewMouseLeftButtonUp(e);
        }
    }

    public class ListBoxEx : ListBox
    {
        protected override DependencyObject GetContainerForItemOverride() => new ListItemQuickTool();
    }
}