1、创建类库
2、在类库中添加用户控件(Window窗体)
3、控件视图
C# 自定义控件库之Lable组合控件-LMLPHP
4、后台代码

namespace UILib
{
    public partial class DeviceInfoV : UserControl
    {
        public DeviceInfoV()
        {
            InitializeComponent();
            ParameterInitialize();
        }
        #region 初始化
        private void ParameterInitialize()
        {
            GroupDevice = "产品信息1";
            Product = "产品1";
            Version = "版本1";
            Id = "ID1";
        }
        #endregion

        #region 属性
        private string groupDevice;
        [Description("产品信息")]
        [Category("自定义属性")]
        public string GroupDevice
        {
            get { return groupDevice; }
            set { 
                groupDevice = value; 
                gb_device.Text = groupDevice;
            }
        }

        private string product;
        [Description("产品")]
        [Category("自定义属性")]
        public string Product
        {
            get { return product; }
            set { 
                product = value; 
                lb_product.Text = product;
            }
        }

        private string version;
        [Description("版本")]
        [Category("自定义属性")]
        public string Version
        {
            get { return version; }
            set
            {
                version = value;
                lb_version.Text = version;
            }
        }

        private string id;
        [Description("ID")]
        [Category("自定义属性")]
        public string Id
        {
            get { return id; }
            set
            {
                id = value;
                lb_id.Text = id;
            }
        }
        #endregion
    }
}
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