lyfz_repos/铂金版源码/LYFZ.ComponentLibrary/NumericUpDownEx.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Text;

namespace LYFZ.ComponentLibrary
{
    public partial class NumericUpDownEx : LYFZ.OtherExpansion.SkinControl.SkinNumericUpDown//System.Windows.Forms.NumericUpDown
    {
        public NumericUpDownEx()
        {
            InitializeComponent();
            this.KeyUp += NumericUpDownEx_KeyUp;
        }

        void NumericUpDownEx_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
        {
            if (e.KeyCode == System.Windows.Forms.Keys.Delete || e.KeyCode == System.Windows.Forms.Keys.Back)
            {
                try
                {
                    if (this.Text.Trim().Length <= 0)
                    {
                        this.Text = "0";
                        this.Value = 0;
                    }
                }
                catch 
                {
                    this.Text = this.Minimum.ToString();
                    this.Value = this.Minimum;
                }
            }
        }

        public NumericUpDownEx(IContainer container)
        {
            container.Add(this);
            this.KeyUp += NumericUpDownEx_KeyUp;
        }
    }
}