private void btnOK_Click(object sender, EventArgs e)
{
_Style.BackColor = _TmpStyle.BackColor;
_Style.ForeColor = _TmpStyle.ForeColor;
_Style.Bold = _TmpStyle.Bold;
_Style.Italic = _TmpStyle.Italic;
_Style.Underline = _TmpStyle.Underline;
OnChange();
DialogResult = DialogResult.OK;
}