using System;
using System.Text;
using System.Globalization;

public sealed class App 
{
    static void Main() 
    {
        // Parse the string as a hex value and display the value as a decimal.
        String num = "A";
        int val = int.Parse(num, NumberStyles.HexNumber);
        Console.WriteLine("{0} in hex = {1} in decimal.", num, val);

        // Parse the string, allowing a leading sign, and ignoring leading and trailing white spaces.
        num = "    -45   ";
        val = int.Parse(num, NumberStyles.AllowLeadingSign | 
            NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite);
        Console.WriteLine("'{0}' parsed to an int is '{1}'.", num, val);

        // Parse the string, allowing parentheses, and ignoring leading and trailing white spaces.
        num = "    (37)   ";
        val = int.Parse(num, NumberStyles.AllowParentheses | NumberStyles.AllowLeadingSign |                         NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite);
        Console.WriteLine("'{0}' parsed to an int is '{1}'.", num, val);
    }
}

// This code produces the following output.
//
// A in hex = 10 in decimal.
// '    -45   ' parsed to an int is '-45'.
// '    (37)   ' parsed to an int is '-37'.

using namespace System;
using namespace System::Text;
using namespace System::Globalization;


int main()
{
    // Parse the string as a hex value and display the
    // value as a decimal.
    String^ numberString = "A";
    int stringValue = Int32::Parse(numberString, NumberStyles::HexNumber);
    Console::WriteLine("{0} in hex = {1} in decimal.",
        numberString, stringValue);

    // Parse the string, allowing a leading sign, and ignoring
    // leading and trailing white spaces.
    numberString = "    -45   ";
    stringValue =Int32::Parse(numberString, NumberStyles::AllowLeadingSign |
        NumberStyles::AllowLeadingWhite | NumberStyles::AllowTrailingWhite);
    Console::WriteLine("'{0}' parsed to an int is '{1}'.",
        numberString, stringValue);

    // Parse the string, allowing parentheses, and ignoring
    // leading and trailing white spaces.
    numberString = "    (37)   ";
    stringValue = Int32::Parse(numberString, NumberStyles::AllowParentheses |
        NumberStyles::AllowLeadingSign | NumberStyles::AllowLeadingWhite |
        NumberStyles::AllowTrailingWhite);

    Console::WriteLine("'{0}' parsed to an int is '{1}'.",
        numberString, stringValue);
}

// This code produces the following output.
//
// A in hex = 10 in decimal.
// '    -45   ' parsed to an int is '-45'.
// '    (37)   ' parsed to an int is '-37'.