Monthly Archives: October 2016

Writing Efficient VBA UDFs Part 15: Adding Intellisense to your UDFs

For several years people have been asking the Excel Dev team to add the capability to create Intellisense for UDFs to work the same way as native Excel functions. Well, now Govert van Drimmelen, author of the wonderful Excel DNA, … Continue reading

Posted in .NET, UDF, VBA, XLL | Tagged , , , , | 10 Comments

Writing Efficient VBA UDFs Part 14: Handling whole columns using Implicit Intersection – Updated

Excel has an interesting and very efficient trick called Implicit Intersection which allows you to use large Named Ranges and whole column references efficiently. What is Implicit Intersection? When Excel expects to get a single cell reference but you give … Continue reading

Posted in arrays, Calculation, UDF, VBA, XLL | Tagged , , , , | 14 Comments