using SharedBaseProject.Utils;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
 
namespace SharedBaseProject.Common.CarPosition
{
    public class Direction
    {
        /// <summary>
        /// 方向
        /// </summary>
        public enum Enum_Direction
        {
            /// <summary>
            /// 默認(rèn)值
            /// </summary>
            [Description("未指定")]
            None = -1,
            /// <summary>
            /// 上
            /// </summary>
            [Description("上")]
            Up = 0,
            /// <summary>
            /// 下
            /// </summary>
            [Description("下")]
            Down = 1,
            /// <summary>
            /// 左
            /// </summary>
            [Description("左")]
            Left = 2,
            /// <summary>
            /// 右
            /// </summary>
            [Description("右")]
            Right = 3
        }
 
    }
}

using System;
using System.Collections.Generic;
using System.Text;
 
namespace SharedBaseProject.CustomType
{
    public class EnumberEntity
    {
        /// <summary>  
        /// 枚舉的描述  
        /// </summary>  
        public string Description { set; get; }
 
        /// <summary>  
        /// 枚舉名稱  
        /// </summary>  
        public string EnumName { set; get; }
 
        /// <summary>  
        /// 枚舉對(duì)象的值  
        /// </summary>  
        public int EnumValue { set; get; }
    }
}

using SharedBaseProject.CustomType;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Reflection;
 
namespace SharedBaseProject.Utils
{
    public class EnumUtil
    {
        /// <summary>
        /// 枚舉轉(zhuǎn)換為L(zhǎng)ist
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="startValue">從哪個(gè)一個(gè)元素開始獲取</param>
        /// <returns></returns>
        public static List<EnumberEntity> EnumToList<T>(int startValue = 0)
        {
            List<EnumberEntity> list = new List<EnumberEntity>();
 
            foreach (var e in Enum.GetValues(typeof(T)))
            {
                if (Convert.ToInt32(e) < startValue)
                {
                    continue;
                }
 
                EnumberEntity m = new EnumberEntity();
                object[] objArr = e.GetType().GetField(e.ToString()).GetCustomAttributes(typeof(DescriptionAttribute), true);
                if (objArr != null && objArr.Length > 0)
                {
                    DescriptionAttribute da = objArr[0] as DescriptionAttribute;
                    m.Description = da.Description;
                }
                m.EnumValue = Convert.ToInt32(e);
                m.EnumName = e.ToString();
                list.Add(m);
            }
            return list;
        }
    }
}

        /// <summary>
        /// 加載下拉框選項(xiàng)
        /// </summary>
        private void loadComboBoxItems(ComboBox comboBox, Type type, int startValue = 0)
        {
            // Get the generic type definition
            MethodInfo method = typeof(EnumUtil).GetMethod("EnumToList", BindingFlags.Public | BindingFlags.Static);
 
            // Build a method with the specific type argument you're interested in
            method = method.MakeGenericMethod(type);
            // The "null" is because it's a static method
            List<EnumberEntity> listBaiduPositionMode = (List<EnumberEntity>)method.Invoke(null, new object[] { startValue });
            if (listBaiduPositionMode == null || listBaiduPositionMode.Count < 1)
            {
                return;
            }
 
            int iCount = listBaiduPositionMode.Count;
            for (int i = 0; i < iCount; i++)
            {
                comboBox.Items.Add(listBaiduPositionMode.ElementAt(i).Description);
            }
        }
 

loadComboBoxItems(direction, typeof(Enum_Direction));