private void TxtCurrentPage_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == System.Windows.Forms.Keys.Enter || e.KeyCode == System.Windows.Forms.Keys.Tab)
{
int pageNumber;
if (int.TryParse(txtCurrentPage.Text, out pageNumber))
{
DocumentViewer1.GoToPage(pageNumber);
}
else
{
txtCurrentPage.Text = DocumentViewer1.CurrentPage.ToString();
}
}
}
