从扫描仪条形码读取数据时如何移除对焦按钮

问题描述

我需要从条形码扫描器读取数据到窗体。



i可以毫无问题地读取数据成功



我的问题是，如果我把按钮放在形式上它专注于它而不是读取数据



这样如何放置按钮并将焦点移到它上面这实际上是我的问题我需要



求解。

I need to read data from bar code scanner to windows form .

i can read data success without any problem

my problem is if i put the button in form it focus on it and not reading data

so that how to put button and remove focus on it this is actually my problem i need to

solve .

public partial class Form1 : Form
    {
        DateTime _lastKeystroke = new DateTime(0);
        List<char> _barcode = new List<char>(10);
        public Form1()
        {
            InitializeComponent();
         
        }

        
        private void Form1_KeyPress(object sender, KeyPressEventArgs e)
        {
            TimeSpan elapsed = (DateTime.Now - _lastKeystroke);
            if (elapsed.TotalMilliseconds > 100)
                _barcode.Clear();

            // record keystroke & timestamp
            _barcode.Add(e.KeyChar);
            _lastKeystroke = DateTime.Now;

            // process barcode
            if (e.KeyChar == 13 && _barcode.Count > 0)
            {
                string msg = new String(_barcode.ToArray());
                label1.Text = msg;
                //queryData(msg);
                _barcode.Clear();
            }
        }
    }
}

我尝试了什么：

What I have tried:

how to remove focus on button when reading data from scanner barcode

推荐答案

textBox1.Focus();

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