public static void zrusitOznaceni(ToolStripTextBox hledanyText, RichTextBox rtb)
{
if (hledanyText.ToString() == string.Empty)
{
return;
}
int s_start = rtb.SelectionStart, startIndex = 0, index;
while ((index = rtb.Text.IndexOf(hledanyText.ToString(), startIndex)) != -1)
{
rtb.Select(index, hledanyText.ToString().Length);
rtb.SelectionColor = Color.Black;
startIndex = index + hledanyText.ToString().Length;
}
rtb.SelectionStart = s_start;
rtb.SelectionLength = 0;
}
