Built-in Custom Function Not Udf

Feb 27, 2007

I am very proficient at Excel/VBA and have a question about custom/user-defined functions that may be a little more advanced. I understand how to write custom functions and access them through the user-defined functions menu, but I would like to be able to include my function in an add-in that users could simply add, and then access the function via the 'Fx' box at the top of Excel, like they would any other built-in function, instead of having to go to the user-defined functions menu. I guess what I am looking for is how to add 'built-in' functions and not user-defined ones. I just want the user to start typing '=customFunction(' and have the parameters pop-up in tool-tip form, like any Excel built-in function would.

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Code:
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[code]....

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...
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Name = Shape
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VB:
Dim i As Long
Dim lastRow As Long
Dim sht As worksheet

[Code] .....

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VB:
Private Sub cmdRefreshValidation_Click()
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Dim i As Long
Dim lastRow As Long
Dim sht As Worksheet

[Code] .....

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