public string ReplaceCharacters(string text, NSRange range, string newText)
{
if (text != null)
{
var strg = new NSString(text);
var result = new NSMutableString();
result.Append(strg);
var newContent = new NSString(newText);
if (range.Length > 0)
{
result.Replace(range, newContent);
return(text.Replace(text, newText));
}
else
{
result.Insert(newContent, range.Location);
return(result);
}
}
return(string.Empty);
}
