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Excel.AddIn.md

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103 lines (75 loc) · 4.12 KB
title keywords f1_keywords api_name ms.assetid ms.date ms.localizationpriority
AddIn object (Excel)
vbaxl10.chm184072
vbaxl10.chm184072
Excel.AddIn
ad26800d-5342-fb4c-01f3-05b7eceb7ffd
03/29/2019
medium

AddIn object (Excel)

Represents a single add-in, either installed or not installed.

Remarks

The AddIn object is a member of the AddIns collection. The AddIns collection contains a list of all the add-ins available to Microsoft Excel, regardless of whether they're installed. This list corresponds to the list of add-ins displayed in the Add-Ins dialog box.

Example

Use AddIns (index), where index is the add-in title or index number, to return a single AddIn object. The following example installs the Analysis Toolpak add-in.

AddIns("analysis toolpak").Installed = True

Don't confuse the add-in title, which appears in the Add-Ins dialog box, with the add-in name, which is the file name of the add-in. You must spell the add-in title exactly as it's spelled in the Add-Ins dialog box, but the capitalization doesn't have to match.

The index number represents the position of the add-in in the Add-ins available box in the Add-Ins dialog box. The following example creates a list that contains specified properties of the available add-ins.

With Worksheets("sheet1") 
 .Rows(1).Font.Bold = True 
 .Range("a1:d1").Value = _ 
 Array("Name", "Full Name", "Title", "Installed") 
 For i = 1 To AddIns.Count 
 .Cells(i + 1, 1) = AddIns(i).Name 
 .Cells(i + 1, 2) = AddIns(i).FullName 
 .Cells(i + 1, 3) = AddIns(i).Title 
 .Cells(i + 1, 4) = AddIns(i).Installed 
 Next 
 .Range("a1").CurrentRegion.Columns.AutoFit 
End With

The Add method adds an add-in to the list of available add-ins but doesn't install the add-in. Set the Installed property of the add-in to True to install the add-in.

To install an add-in that doesn't appear in the list of available add-ins, you must first use the Add method and then set the Installed property. This can be done in a single step, as shown in the following example (note that you use the name of the add-in, not its title, with the Add method).

AddIns.Add("generic.xll").Installed = True

Use Workbooks (index), where index is the add-in file name (not title) to return a reference to the workbook corresponding to a loaded add-in. You must use the file name because loaded add-ins don't normally appear in the Workbooks collection. This example sets the wb variable to the workbook for Myaddin.xla.

Set wb = Workbooks("myaddin.xla")

The following example sets the wb variable to the workbook for the Analysis Toolpak add-in.

Set wb = Workbooks(AddIns("analysis toolpak").Name)

If the Installed property returns True, but the calls to functions in the add-in still fail, the add-in may not actually be loaded. This is because the Addin object represents the existence and installed state of the add-in but doesn't represent the actual contents of the add-in workbook.To guarantee that an installed add-in is loaded, you should open the add-in workbook.

The following example opens the workbook for the add-in named "My Addin" if the add-in isn't already present in the Workbooks collection.

On Error Resume Next ' turn off error checking 
Set wbMyAddin = Workbooks(AddIns("My Addin").Name) 
lastError = Err 
On Error Goto 0 ' restore error checking 
If lastError <> 0 Then 
 ' the add-in workbook isn't currently open. Manually open it. 
 Set wbMyAddin = Workbooks.Open(AddIns("My Addin").FullName) 
End If

Properties

See also

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