C# Convert ToInt64(Object, IFormatProvider)

Description

Convert ToInt64(Object, IFormatProvider) converts the value of the specified object to a 64-bit signed integer, using the specified culture-specific formatting information.

Syntax

Convert.ToInt64(Object, IFormatProvider) has the following syntax.

public static long ToInt64(
  Object value,
  IFormatProvider provider
)

Parameters

Convert.ToInt64(Object, IFormatProvider) has the following parameters.

• value - An object that implements the IConvertible interface.
• provider - An object that supplies culture-specific formatting information.

Returns

Convert.ToInt64(Object, IFormatProvider) method returns A 64-bit signed integer that is equivalent to value, or zero if value is null.

Example

using System;/* ww w.  j a va  2  s  .  c o  m*/
using System.Globalization;

class MainClass
{
    public static void Main( )
    {
        NumberFormatInfo provider = new NumberFormatInfo();

        provider.NegativeSign = "neg ";
        provider.PositiveSign = "pos ";

        provider.NumberDecimalSeparator = ".";
        provider.NumberGroupSeparator = ",";
        provider.NumberGroupSizes = new int[ ] { 3 };
        provider.NumberNegativePattern = 0;

        Console.WriteLine( Convert.ToInt64((object) "12345" ));
        Console.WriteLine( Convert.ToInt64((object) "12345", provider ) );
    }
}

The code above generates the following result.