private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
 {
     if (this.comboBox1.SelectedItem != null)
     {
         DCM_INFO item = (DCM_INFO)this.comboBox1.SelectedItem;
         // Create ListViewItems and add them to ListView
     }
 }
    private void button1_Click(object sender, EventArgs e)
    {
        OpenFileDialog ofd = new OpenFileDialog();
        DialogResult   ret = ofd.ShowDialog();

        if (ret == System.Windows.Forms.DialogResult.OK)
        {
            DCM_INFO tmp = new DCM_INFO();
            // read file and fill struct
            this.comboBox1.Items.Add(tmp);
        }
    }