Walkthroughs give step-by-step instructions for common scenarios, which makes them a good place to start learning about the product or a particular feature area.

Arrays

Adding a vector argument

Describes how to add a one-dimensional array argument (a vector) to an add-in function.

Returning a vector result

Describes how to return a one-dimensional array argument (a vector) from an add-in function.

Adding a matrix argument

Describes how to add a two-dimensional array argument (a matrix) to an add-in function.

Returning a matrix result

Describes how to return a two-dimensional array argument (a matrix) from an add-in function.

Function Wizard Features

Grouping multiple arguments into a single Excel range

Describes how to use the Function Wizard to create an add-in function that accepts and decodes multiple arguments in a single range, so as to reduce the total number of arguments to a function.

.NET Assemblies

Importing a .NET Assembly

Demonstrates how to import a .NET assembly, and automatically generate Excel add-in functions for its methods and properties.

Importing a .NET Assembly using attributes

Demonstrates how to import a .NET assembly, and automatically generate Excel add-in functions for its methods and properties, by using attributes.

Wrapper libraries

Creating a wrapper for an add-in built using XLL+

Describes how to create a wrapper library which lets you call XLL Add-in functions directly from a C# application.

See Also

Samples and Walkthroughs