Sunji-posv-net/pos/JwKdsV/Component/NumSpinnersV.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace JwKdsV.Component
{
    public partial class NumSpinnersV : UserControl
    {
        public NumSpinnersV()
        {
            InitializeComponent();

        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
        }

        private decimal _defaultValue = 0;
        [Category("杂项"), Description("默认值"), DefaultValue(0)]
        public decimal DefaultValue
        {
            get
            {
                return _defaultValue;
            }
            set
            {
                _defaultValue = value;
                this.label1.Text = _defaultValue + "";
            }
        }

        [Category("杂项"), Description("步长,每次增减标准"), DefaultValue(1)]
        public decimal StepValue { get; set; }

        [Category("杂项"), Description("最大值"), DefaultValue(100)]
        public decimal MaxValue { get; set; }

        [Category("杂项"), Description("最小值"), DefaultValue(0)]
        public decimal MinValue { get; set; }

        [Category("杂项"), Description("是否循环"), DefaultValue(true)]
        public bool Circle { get; set; }

        public decimal NumValue
        {
            get
            {
                var test = this.label1.Text;
                decimal value = 0;
                decimal.TryParse(test, out value);
                this.label1.Text = value + "";
                return value;
            }
            set
            {
                this.label1.Text = value + "";
            }
        }

        /// <summary>
        /// 加
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OnPlusClick(object sender, EventArgs e)
        {

            if (this.NumValue + this.StepValue <= this.MaxValue)
            {
                this.label1.Text = (this.NumValue + this.StepValue).ToString();
            }
            else
            {
                this.label1.Text = this.MinValue.ToString();
            }
        }

        /// <summary>
        /// 减
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OnMinusClick(object sender, EventArgs e)
        {
            if (this.NumValue - this.StepValue >= this.MinValue)
            {
                this.label1.Text = (this.NumValue - this.StepValue).ToString();
            }
            else
            {
                this.label1.Text = this.MaxValue.ToString();
            }
        }

        private void OnTextChanged(object sender, EventArgs e)
        {
            OnNumChanged?.Invoke(sender, e);
        }

        public delegate void EventHandler(object sender, EventArgs e);

        public event EventHandler OnNumChanged;
    }
}