-
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
- Let the user scribble on a background image in C# - C# HelperC# Helper on Let the user scribble on a PictureBox in C#
- Ziz on Revised: Graph world total COVID-19 cases, deaths, and recoveries in C#
- RodStephens on Handle generic TreeNode mouse events in C#
- RodStephens on Let the user scribble on a PictureBox in C#
- SeungGi on Handle generic TreeNode mouse events in C#
Archives
- September 2020
- August 2020
- 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: VBA
Use VBA code to pick random cells from a filtered selection in an Excel workbook
This example shows how you can use VBA code to pick random cells in an Excel workbook when the selected cells are filtered. The post Use VBA code to pick random cells from the currently selected cells in an Excel … Continue reading
Posted in Excel, VBA
Tagged C#, C# programming, example, example program, Excel, pick random cells, pick random elements, pick random items, random, VBA, Windows Forms programming
Leave a comment
Use VBA to make a Gantt chart showing work schedules
This example shows how to use VBA (Visual Basic for Applications) in an Excel workbook to draw a Gantt chart showing when employees are scheduled to work. This isn’t C# programming, but you may find it useful. (And I don’t … Continue reading
Posted in Excel, VBA
Tagged C#, example, example program, Excel, Gantt chart, schedule, scheduling, VBA, Windows Forms programming
Leave a comment
Use VBA to randomize Excel selections
The post Use VBA to randomize cells in Excel explains how you can randomize a simple selection’s rows. Unfortunately that method cannot randomize Excel selections in general. In particular it doesn’t work if the current selection includes multiple areas on … Continue reading
Posted in Excel, VBA
Tagged C#, C# programming, example, example program, Excel, Excel range areas, Excel selection, randomize Excel selections, range areas, VBA, Windows Forms programming
Leave a comment
Understand range areas in Excel VBA
Most of my VBA examples assume that the current selection is a single block of cells. If the selection includes a single area, then you can easily loop through the cells that it contains. Unfortunately if the selection includes multiple … Continue reading
Posted in Excel, VBA
Tagged C#, C# programming, example, example program, Excel, Excel range areas, Excel selection, range areas, VBA, Windows Forms programming
1 Comment
Use VBA macros to add hyperlinks to external files
My book Essential Algorithms: A Practical Approach to Computer Algorithms has associated instructor materials that include lesson plans and PowerPoint presentations that are accessible via hyperlinks. The materials include a summary Excel workbook that contains hyperlinks that let you open … Continue reading
Posted in Excel, Office, PowerPoint, Word
Tagged C#, C# programming, create hyperlink, example, example program, Excel, hyperlink, Office, PowerPoint, remove hyperlink, VBA, Visual Basic for Applications, Windows Forms programming, Word
Leave a comment
Use VBA to randomize cells in Excel
This is quick excursion into Excel VBA programming. This example uses a VBA macro to let you randomize the selected cells in an Excel workbook. If you select a contiguous block of cells and click the Randomize button, the following … Continue reading
Add and remove pictures in an Excel worksheet
This is another brief foray into VBA programming. When you click the Insert Image button, the following VBA code executes. ‘ Insert a picture at the selection. Sub Button1_Click() Dim filters As String Dim filename As Variant ‘ Define the … Continue reading
Posted in Excel, Office, VBA
Tagged example, example program, Excel, insert picture, Microsoft Office, Office, remove picture, VBA, Visual Basic for Applications, Windows Forms programming
Leave a comment
Use VBA code to pick random cells from the currently selected cells in an Excel workbook
This example shows how you can use VBA code to pick random cells in an Excel workbook. Sooner or later, many programmers need to write code to control another application such as the Microsoft Office applications, either for their own … Continue reading
Posted in Excel, VBA
Tagged C#, C# programming, example, example program, Excel, pick random cells, pick random elements, pick random items, random, VBA, Windows Forms programming
9 Comments