public static bool?GetBool(object val, bool parse)
{
if (val == null)
{
return(null);
}
try {
TypeCode tc = val.GetTypeCode();
switch (tc)
{
case TypeCode.String:
if (!parse)
{
return(null);
}
bool n;
string s = StringEx.UserText(val as string);
if (s == null)
{
return(null);
}
if (TryFromServer(s, out n, false))
{
return(n);
}
switch (s[0])
{
case 'T':
case 't':
case '1': return(true);
case 'F':
case 'f':
case '0': return(false);
default: return(null);
}
default:
if (IsNumeric(tc))
{
return(Convert.ToBoolean(val));
}
byte[] b = val as byte[];
int ix = 0;
if (b?.Length == sizeof(bool))
{
return(IOEx.GetBool(b, ref ix));
}
return(null);
}
} catch { return(null); }
}