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read barcode with barcode scanner c# winform serial port number

Nimra Khan answered on May 6, 2022 Popularity 3/10 Helpfulness 1/10

answer read barcode with barcode scanner c# winform serial port number

read barcode with barcode scanner c# winform serial port number

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public class ScannerTextBox : TextBox
{
    public bool BarcodeOnly { get; set; }

    Timer timer;

    private void InitializeComponent()
    {
        this.SuspendLayout();

        this.ResumeLayout(false);
    }

    void timer_Tick(object sender, EventArgs e)
    {
        if (BarcodeOnly == true)
        {
            Text = "";
        }

        timer.Enabled = false;
    }

    protected override void OnKeyPress(KeyPressEventArgs e)
    {
        base.OnKeyPress(e);

        if (BarcodeOnly == true)
        {
            if (timer == null)
            {
                timer = new Timer();
                timer.Interval = 200;
                timer.Tick += new EventHandler(timer_Tick);
                timer.Enabled = false;
            }
            timer.Enabled = true;
        }

        if (e.KeyChar == '\r')
        {
            if (BarcodeOnly == true && timer != null)
            {
                timer.Enabled = false;
            }
        }
    }
}

Popularity 3/10 Helpfulness 1/10 Language csharp

Source: stackoverflow.com

Tags: barcode barcode-scanner c#

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