public static string SubStr(string s, int i, string smore)
{
int num = 0;
int num2 = 0;
string result;
if (Globals.GetStrLen(s) > i)
{
for (int j = 0; j < s.Length; j++)
{
char c = s[j];
if (num >= i)
{
break;
}
num2++;
if (c > '\u007f')
{
num += 2;
}
else
{
num++;
}
}
string str = s.Substring(0, num2 - Globals.GetStrLen(smore));
result = str + smore;
}
else
{
result = s;
}
return(result);
}