C#|Int64。ToString方法|设置–1

public string ToString (IFormatProvider provider);


// C# program to demonstrate
// Int64.ToString(IFormatProvider)
// Method
using System;
using System.Globalization;
class GFG {
    // Main Method
    public static void Main()
    {
        // declaring and initializing
        // Int64 value
        long val = Int64.MaxValue;
        // creating and initializing
        // the object of CultureInfo
        CultureInfo provider = new CultureInfo("en-us");
        // using the method
        string str = val.ToString(provider);
        // Display the value
        Console.WriteLine("The Value is {0} and provider is {1}",
                                             str, provider.Name);
    }
}


The Value is 9223372036854775807 and provider is en-US