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

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

namespace LYFZ.ComponentLibrary
{
    public partial class MaskedTextBoxEx : MaskedTextBox
    {
        public MaskedTextBoxEx()
        {
            InitializeComponent();
        }

        public MaskedTextBoxEx(IContainer container)
        {
            container.Add(this);
            InitializeComponent();
            this.MouseClick += MaskedTextBoxEx_MouseClick;
        }

        /// <summary>
        /// 鼠标点击事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MaskedTextBoxEx_MouseClick(object sender, MouseEventArgs e)
        {
            ForCharMaskedTextBox();
        }
        /// <summary>
        /// 重写输入限制
        /// </summary>
        /// <param name="e"></param>
        protected override void OnKeyPress(KeyPressEventArgs e)
        {
            if (LYFZ.BLL.OtherCommonModel.IsQaJiaoChar(e.KeyChar))
            { e.Handled = true; }
            else
            { base.OnKeyPress(e); }
        }
        /// <summary>
        /// 点击时在空值处获得光标
        /// </summary>
        public void ForCharMaskedTextBox()
        {
            char[] charList = this.Text.Trim().ToCharArray();
            if (charList.Length > 0)
            {
                for (int i = (charList.Length - 1); i >= 0; i--)
                {
                    if (i == 0)
                    {
                        if (charList[i].ToString() == " ")
                        {
                            this.SelectionStart = i;
                            return;
                        }
                    }
                    else
                    {
                        if (charList[i].ToString() != " ")
                        {
                            this.SelectionStart = i + 1;
                            return;
                        }
                    }
                }
            }
            else { this.SelectionStart = 0; }
        }
    }
}