DateTimeOffset.ToFileTime Method is used to convert the value of the current DateTimeOffset object to a Windows file time.
Syntax: public long ToFileTime ();
Return Value: This method returns the value of the current DateTimeOffset object, expressed as a Windows file time.
Exception: This method will give ArgumentOutOfRangeException if the resulting file time would represent a date and time before midnight on January 1, 1601 C.E. Coordinated Universal Time (UTC).
Below programs illustrate the use of DateTimeOffset.ToFileTime() Method:
Example 1:
// C# program to demonstrate the // DateTimeOffset.ToFileTime() // Method using System;
using System.Globalization;
class GFG {
// Main Method
public static void Main()
{
try {
// creating object of DateTimeOffset
DateTimeOffset offset = new DateTimeOffset(2007,
6, 1, 7, 55, 0, new TimeSpan(-5, 0, 0));
// Converts the value of the current
// DateTimeOffset object to a Windows file time.
// instance using ToFileTime() method
long value = offset.ToFileTime();
// Display the time
Console.WriteLine( "Windows file time is {0}" , value);
}
catch (ArgumentOutOfRangeException e)
{
Console.Write( "Exception Thrown: " );
Console.Write( "{0}" , e.GetType(), e.Message);
}
}
} |
Windows file time is 128251761000000000
Example 2: For ArgumentOutOfRangeException
// C# program to demonstrate the // DateTimeOffset.ToFileTime() // Method using System;
using System.Globalization;
class GFG {
// Main Method
public static void Main()
{
try {
// creating object of DateTimeOffset
DateTimeOffset offset = new DateTimeOffset(1600,
6, 1, 7, 55, 0, new TimeSpan(-5, 0, 0));
// Converts the value of the current
// DateTimeOffset object to a Windows file time.
// instance using ToFileTime() method
long value = offset.ToFileTime();
// Display the time
Console.WriteLine( "Windows file time is {0}" , value);
}
catch (ArgumentOutOfRangeException e)
{
Console.Write( "Exception Thrown: " );
Console.Write( "{0}" , e.GetType(), e.Message);
}
}
} |
Exception Thrown: System.ArgumentOutOfRangeException
Reference:
- https://docs.microsoft.com/en-us/dotnet/api/system.datetimeoffset.tofiletime?view=netframework-4.7.2