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C# Convert TimeSpan to Long
Convert a TimeSpan into to a long and back again with Ticks and FromTicks.Convert TimeSpan, Long. TimeSpan and long are the same number of bytes. It is possible to store a TimeSpan as a long. This can be done with the Ticks property on TimeSpan. It is easier to persist a long in storage.Long
Example. In this program, we get two DateTimes. The first one is for "now." The second is for a day ago. Then we get the difference as a TimeSpan instance. Next, we convert that TimeSpan into a long Ticks.
Finally: We convert that long Ticks back into a TimeSpan, showing that you can round-trip longs and TimeSpans.
C# program that converts TimeSpan to long
using System;
class Program
{
static void Main()
{
// Difference between today and yesterday.
DateTime yesterday = DateTime.Now.Subtract(TimeSpan.FromDays(1));
DateTime now = DateTime.Now;
TimeSpan diff = now.Subtract(yesterday);
// TimeSpan can be represented as a long [ticks].
long ticks = diff.Ticks;
// You can convert a long [ticks] back into TimeSpan.
TimeSpan ts = TimeSpan.FromTicks(ticks);
// Display.
Console.WriteLine(ts);
// Note: long and TimeSpan are the same number of bytes [8].
unsafe
{
Console.WriteLine(sizeof(long));
Console.WriteLine(sizeof(TimeSpan));
}
}
}
Output
1.00:00:00.0010000
8
8
Byte count. In the unsafe context, the program shows that a long is 8 bytes and a TimeSpan is also 8 bytes. Therefore, it is logical for one to fit in the other. It may be easier to write a long to a file or a database.SizeofTimeSpan
Summary. We saw how it is possible to convert from a TimeSpan and a long using the Ticks property and also the FromTicks method. By providing a long representation, the TimeSpan becomes more useful for external systems.
Because: External systems often support simple numeric types better than struct types.
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- C# String Constructor (new string)
- C# string.Copy Method
- C# CopyTo String Method: Put Chars in Array
- C# Empty String Examples
- C# String Equals Examples
- C# String For Loop, Count Spaces in String
- C# string.Intern and IsInterned
- C# String IsUpper, IsLower
- C# String Length Property: Get Character Count
- C# String Literal: Newline and Quote Examples
- C# StringBuilder Capacity
- C# StringBuilder Clear (Set Length to Zero)
- C# StringBuilder Data Types
- C# StringBuilder Performance
- C# StringBuilder Equals (If Chars Are Equal)
- C# StringBuilder Memory
- C# StringBuilder ToString: Get String From StringBuilder
- C# StringWriter Class
- C# Sum Method: Add up All Numbers
- C# Switch Char, Test Chars With Cases
- C# Switch Enum
- C# System (using System namespace)
- C# Tag Property: Windows Forms
- C# TextInfo Examples
- C# TextReader, Returned by File.OpenText
- C# TextWriter, Returned by File.CreateText
- C# this Keyword
- C# ThreadPool
- C# Thread Join Method (Join Array of Threads)
- C# ThreadPool.SetMinThreads Method
- C# TimeZone Examples
- C# Get Title From HTML With Regex
- C# ToArray Extension Method
- C# ToCharArray: Convert String to Array
- C# ToDictionary Method
- C# Token
- C# ToList Extension Method
- C# ToLookup Method (Get ILookup)
- C# ToLower and ToUpper: Uppercase and Lowercase Strings
- ToolStripContainer Control: Dock, Properties
- C# ToolTip: Windows Forms
- C# ToString Integer Optimization
- C# ToString: Get String From Object
- C# ToTitleCase Method
- C# TrackBar: Windows Forms
- C# Tree and Nodes Example: Directed Acyclic Word Graph
- C# TreeView Tutorial
- C# Trim Strings
- C# Thread Methods
- C# History
- C# Features
- C# Variables
- C# Data Types
- C# Operators
- C# Keywords
- C# New Features | C# Version Features
- C# Programs
- C# Program to swap numbers without third variable
- C# Program to convert Decimal to Binary
- C# Program to Convert Number in Characters
- C# Program to Print Alphabet Triangle
- C# Program to print Number Triangle
- C# Program to generate Fibonacci Triangle
- C# String Compare() method
- C# String CompareOrdinal() method
- C# String CompareTo() method
- C# String Concat() method
- C# String Contains() method
- C# String CopyTo() method
- C# String EndsWith() method
- C# String Equals() method
- C# String Format() method
- C# String IndexOf() method
- C# String Insert() method
- C# String Intern(String str) method
- C# String IsInterned() method
- C# String Normalize() method
- C# String IsNullOrEmpty() method
- C# String IsNullOrWhiteSpace() method
- C# String Join() method
- C# String LastIndexOf() method
- C# String LastIndexOfAny() method
- C# String PadLeft() method
- C# String PadRight() method
- C# Nullable
- C# String Remove() method
- C# String Replace() method
- C# String Split() method
- C# String StartsWith() method
- C# String SubString() method
- C# Partial Types
- C# Iterators
- C# Delegate Covariance
- C# Delegate Inference
- C# Anonymous Types
- C# Extension Methods
- C# Query Expression
- C# Partial Method
- C# Implicitly Typed Local Variable
- C# Object and Collection Initializer
- C# Auto Implemented Properties
- C# Dynamic Binding
- C# Named and Optional Arguments
- C# Asynchronous Methods
- C# Caller Info Attributes
- C# Using Static Directive
- C# Exception Filters
- C# Await in Catch Finally Blocks
- C# Default Values for Getter Only Properties
- C# Expression Bodied Members
- C# Null Propagator
- C# String Interpolation
- C# nameof operator
- C# Dictionary Initializer
- C# Pattern Matching
- C# Tuples
- C# Deconstruction
- C# Local Functions
- C# Binary Literals
- C# Ref Returns and Locals
- C# Expression Bodied Constructors and Finalizers
- C# Expression Bodied Getters and Setters
- C# Async Main
- C# Default Expression