-
Recent Books:
![[Essential Algorithms, Second Edition]](http://www.csharphelper.com/essential_algs_2e_158_200.jpg)
![[WPF 3d, Three-Dimensional Graphics with WPF and C#]](http://www.csharphelper.com/wpf3d_160_200.png)
![[The C# Helper Top 100]](http://www.csharphelper.com/top100_161_200.png)
![[Interview Puzzles Dissected]](http://www.csharphelper.com/interview_puzzles_161_200.jpg)
-
Recent Posts
-
Recent Comments
- RodStephens on Let the user draw and move polygons in C#
- Jagadeswaran on Let the user draw and move polygons in C#
- Şeyh Müslüm İncedal on Draw many circles that intersect two points in C#
- Perform trilateration in C# - C# HelperC# Helper on Determine where two circles intersect in C#
- RodStephens on Let the user draw and move polygons in C#
Archives
- July 2020
- June 2020
- May 2020
- April 2020
- March 2020
- February 2020
- January 2020
- December 2019
- November 2019
- October 2019
- September 2019
- August 2019
- July 2019
- June 2019
- May 2019
- April 2019
- March 2019
- February 2019
- January 2019
- December 2018
- November 2018
- October 2018
- September 2018
- August 2018
- July 2018
- June 2018
- May 2018
- April 2018
- March 2018
- February 2018
- January 2018
- December 2017
- November 2017
- October 2017
- September 2017
- August 2017
- July 2017
- June 2017
- May 2017
- April 2017
- March 2017
- February 2017
- January 2017
- December 2016
- November 2016
- October 2016
- September 2016
- August 2016
- July 2016
- June 2016
- May 2016
- April 2016
- March 2016
- February 2016
- January 2016
- December 2015
- November 2015
- October 2015
- September 2015
- August 2015
- July 2015
- June 2015
- May 2015
- April 2015
- March 2015
- February 2015
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- July 2014
- June 2014
- May 2014
- February 2014
- January 2014
- December 2013
- October 2013
- August 2013
- June 2013
- December 2012
- September 2012
- July 2012
- June 2012
- November 2011
- May 2011
- April 2011
- February 2011
- December 2010
Categories
- .NET
- 3D
- 3D graphics
- ADO.NET
- algorithms
- animation
- API
- arrays
- attributes
- audio
- books
- C#
- C# programming
- calculations
- challenges
- classes
- clipboard
- coding
- combinatorics
- console
- controls
- cryptography
- curve fitting
- database
- debugging
- dialogs
- directories
- Drag and Drop
- drawing
- drawings
- enums
- Event
- events
- example program
- Excel
- extension methods
- extensions
- files
- finance
- fonts
- formatting
- forms
- fractals
- ftp
- games
- GDI+
- generic
- geometry
- globalization
- graphics
- html
- IDE
- image processing
- inheritance
- interfaces
- internationalization
- internet
- interoperability
- LINQ
- lists
- localization
- mathematics
- memory
- menus
- MessageBox
- methods
- miscellany
- multimedia
- network
- Office
- OOP
- operators
- parsing
- performance
- phone
- PowerPoint
- printers
- printing
- productivity
- programs
- puzzles
- recursion
- reflection
- registry
- regular expressions
- serialization
- settings
- SQL
- stories
- strings
- syntax
- system
- threading
- three-dimensional graphics
- tips
- tools
- transformations
- Uncategorized
- user interface
- variables
- VBA
- web
- Windows Forms programming
- WMI
- Word
- wpf
- XAML
- XML
Meta
Tag Archives: time
Use a symbiote to graphically select hours in C#
This example modifies the previous example Graphically select hours in C# so it uses a symbiote class. That example shows how to use a PictureBox to let the user select a range of hours. If you want to let the … Continue reading
Posted in controls, graphics, user interface
Tagged C#, C# programming, controls, example, example program, graphics, hours, select hours, select time, symbiote, time, user interface, Windows Forms programming
1 Comment
Graphically select hours in C#
The DateTimePicker control lets you select dates and date ranges, but there’s no standard control that lets you select hours. This example shows one way to do this with a PictureBox. A big part of this program is the DrawHours … Continue reading
Posted in controls, graphics, user interface
Tagged C#, C# programming, controls, example, example program, graphics, hours, select hours, select time, time, user interface, Windows Forms programming
1 Comment
Add a ToString extension method to the TimeSpan structure in C#
Until .NET Framework version 4.0, you could not pass the TimeSpan structure’s ToString method a format string, so the result was always in the form hh:mm:ss.fffffff where hh is hours, mm is minutes, ss is seconds, and fffffff is 7 … Continue reading
Posted in extension methods, parsing
Tagged C#, C# programming, Date, example, example program, extension methods, parsing, time, TimeSpan, ToString, Windows Forms programming
2 Comments
Get the current time from the NIST server in C#
This example, courtesy of Adam Benson, shows how you can get the current time from the NIST atomic clock server. (I’ve reformatted it slightly to make it fit better on the blog page.) The key to the program is the … Continue reading
Posted in miscellany, system
Tagged atomic clock, C#, C# programming, date and time, DateTime, example, example program, get date, get time, miscellany, NIST, NIST time, system, time, Windows Forms programming
1 Comment
Measure elapsed time in C#
For most tasks, you can measure elapsed time with the Stopwatch or DateTime classes. To use the Stopwatch class, create a Stopwatch object. Use its Start and Stop methods to start and stop it. If you use Start after stopping … Continue reading
Posted in performance, system
Tagged C#, C# programming, Date, example, example program, Now, performance, StopWatch, system, time, timer, Windows Forms programming
1 Comment