private void openFile_Click(object sender, EventArgs e)
{
string filePath = openD.FileName;
FileReading reading = new FileReading(filePath);
reading.Show();
}
private void listView1_DoubleClick(object sender, EventArgs e)
{
string filePath = listView1.SelectedItems[0].SubItems[1].Text;
string fileFolder = listView1.SelectedItems[0].Text;
string path = Path.Combine(filePath, fileFolder);
FileReading reading = new FileReading(path);
reading.Show();
}