DateTimeOffset.FromFileTime() Method in C#

DateTimeOffset.FromFileTime(Int64) Method is used to convert the specified Windows file time to an equivalent local time.

Syntax: public static DateTimeOffset FromFileTime (long fileTime);
Here, it takes a Windows file time, expressed in ticks.

Return Value: This method returns an object that represents the date and time of fileTime with the offset set to the local time offset.

Exception: This method will give ArgumentOutOfRangeException if filetime is less than zero or filetime is greater than DateTimeOffset.MaxValue.Ticks.

Below programs illustrate the use of DateTimeOffset.FromFileTime(Int64) Method:

Example 1:

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// C# program to demonstrate the
// DateTimeOffset.FromFileTime(Int64)
// Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        try {
  
            // converts the specified Windows file time
            // to an equivalent local time.
            // instance using FromFileTime() method
            DateTimeOffset value = DateTimeOffset.FromFileTime(10000);
  
            // Display the time
            Console.WriteLine("DateTimeOffset is {0}", value);
        }
  
        catch (ArgumentOutOfRangeException e) 
        {
            Console.Write("Exception Thrown: ");
            Console.Write("{0}", e.GetType(), e.Message);
        }
    }
}

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Output:

DateTimeOffset is 01/01/1601 00:00:00 +00:00

Example 2: For ArgumentOutOfRangeException

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// C# program to demonstrate the
// DateTimeOffset.FromFileTime(Int64)
// Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        try {
  
            // converts the specified Windows file time
            // to an equivalent local time.
            // instance using FromFileTime() method
            DateTimeOffset value = DateTimeOffset.FromFileTime(-1);
  
            // Display the time
            Console.WriteLine("DateTimeOffset is {0}", value);
        }
  
        catch (ArgumentOutOfRangeException e) 
        {
            Console.Write("Exception Thrown: ");
            Console.Write("{0}", e.GetType(), e.Message);
        }
    }
}

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Output:

Exception Thrown: System.ArgumentOutOfRangeException

Reference:



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