namespace Dongke.WinForm.Controls.InvoiceLayout
{
    /// <summary>
    /// 
    /// </summary>
    public class ItemChangingEventArgs : System.ComponentModel.CancelEventArgs
    {
        #region 成员变量
        private LayoutItem _item;
        private int _itemID = 0;
        private ItemChangeType _itemChangeType = ItemChangeType.Added;
        #endregion 成员变量

        #region 属性
        /// <summary>
        /// 获取Item的变更种别。
        /// </summary>
        public ItemChangeType ChangeType
        {
            get
            {
                return _itemChangeType;
            }
            internal set
            {
                _itemChangeType = value;
            }
        }

        /// <summary>
        /// 获取Item
        /// </summary>
        /// <remarks>
        /// Item的变更种别为删除时，为null。
        /// </remarks>
        public LayoutItem Item
        {
            get
            {
                return _item;
            }
            internal set
            {
                _item = value;
            }
        }

        /// <summary>
        /// 获取Item ID。
        /// </summary>
        /// <remarks>
        /// Item的变更种别为删除时，为删除前的Item ID。
        /// </remarks>
        public int ItemID
        {
            get
            {
                return _itemID;
            }
            internal set
            {
                _itemID = value;
            }
        }
        #endregion 属性
    }
}