private void OpenFile() { if (DialogResult.OK == openFileDialog.ShowDialog()) { string fileName = openFileDialog.FileName; VmstatFileReader vmstatFileReader = new VmstatFileReader(); DataTable table = vmstatFileReader.ReadFile(fileName); VmstatForm form = new VmstatForm(); form.Text = openFileDialog.SafeFileName; form.MdiParent = this; form.Show(); form.SetDataSource(table); } }