XLL path

[gertja...@gmail.com]

Hello all.  How can I access the path of the XLL from inside my VB.NET code?

[Govert van Drimmelen]

In Excel-DNA, use ExcelDnaUtil.XllPath:

Imports ExcelDna.Integration

Dim xllPath As String = ExcelDnaUtil.XllPath

Dim xllFolder As String = IO.Path.GetDirectoryName(xllPath)

ExcelDnaUtil.XllPath returns the full path of the currently loaded .xll. This is preferable to using Assembly.Location, which may return the path of your packed or unpacked managed assembly rather than the host XLL.

On Fri, 10 Jul 2026, 09:01 gertja...@gmail.com, <gertja...@gmail.com> wrote:

Hello all.  How can I access the path of the XLL from inside my VB.NET code?

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[gertja...@gmail.com]

Brilliant.  That works a treat.

P.S. did you also see my query about an error that only occurs outside of DEBUG mode?