/// <summary>
/// Handles textchanged in the Codepage textbox.
/// </summary>
/// <param name="sender"><c><see cref="tb_Codepage"/></c></param>
/// <param name="e"></param>
void tb_Codepage_textchanged(object sender, EventArgs e)
{
Encoding enc = null;
if (tb_Codepage.Text.Length == 0)
{
la_CodepageInfo.Text = String.Empty;
_pre = 0;
}
else if (tb_Codepage.Text.StartsWith("0", StringComparison.Ordinal))
{
tb_Codepage.Text = tb_Codepage.Text.Substring(1); // recurse
tb_Codepage.SelectionStart = tb_Codepage.Text.Length;
}
else
{
int result;
if (!Int32.TryParse(tb_Codepage.Text, out result) ||
result < 0 || result > 65535)
{
tb_Codepage.Text = _pre.ToString(CultureInfo.InvariantCulture); // recurse
tb_Codepage.SelectionStart = tb_Codepage.Text.Length;
}
else if (YataGrid.CheckCodepage(_pre = result))
{
enc = Encoding.GetEncoding(_pre);
la_CodepageInfo.ForeColor = Colors.Text;
la_CodepageInfo.Text = enc.HeaderName + Environment.NewLine
+ enc.EncodingName + Environment.NewLine
+ enc.CodePage;
}
else
{
la_CodepageInfo.ForeColor = Colors.TextReadonly;
la_CodepageInfo.Text = "Codepage invalid.";
}
}
bu_Accept.Enabled = (enc != null);
}
