Windows Forms

//new query click event handler
private void newQueryToolStripMenuItem_Click(object sender, EventArgs e)
{
    string key = Guid.NewGuid().ToString();
    tabMain.TabPages.Add(key, "New Query", "app_tables");

    SplitContainer split = new SplitContainer();
    split.Name = key;
    split.Dock = DockStyle.Fill;
    split.FixedPanel = FixedPanel.Panel1;
    split.Orientation = Orientation.Horizontal;

    TextBox text = new TextBox();
    text.Name = key;
    text.Dock = DockStyle.Fill;
    text.Multiline = true;
    text.ScrollBars = ScrollBars.Both;
    split.Panel1.Controls.Add(text);

    DataGrid dgrid = new DataGrid();
    dgrid.Name = key;
    dgrid.Dock = DockStyle.Fill;
    split.Panel2.Controls.Add(dgrid);

    tabMain.TabPages[key].Controls.Add(split);
    tabMain.TabPages[key].ImageKey = "app_server";
    this.PerformLayout();


}

private void Form1_Load(object sender, EventArgs e)
{
  this.KeyPreview = true;
}

private void Form1_KeyDown(object sender, KeyEventArgs e)
{
  if (e.KeyCode == Keys.Escape)
    this.Close();
}

sayuj wrote:

How can we connect a VB.NET application with a bar code reader

sayuj wrote:

how we can use the data which is read by the bar code reader in our application

textBox.ReadOnly = true;

textBox.Text = "Hello World!";