In the list of registered COM servers, click your Automation In the Add-Ins dialog box, click Automation. Under Manage, click Excel Add ins, and then click Go. Click OK to close the Add-Ins dialog box. The Automation Add-in appears in the Add-ins dialog box. From the list of registered COM servers, select your Automation To use functions from an Automation Add-in Out-of-process COM servers and implementation of IDTExtensibility2 is optional. COMĪdd-ins must be in-process COM servers that support the IDTExtensibility2 interface however, Automation Add-ins can be in-process or In Automation Add-ins can be called from formulas in Excel worksheets. Automation Add-ins build on COM Add-ins in that functions () Automation Add-ins In addition to COM Add-ins, Excel 2002, and Excel 2003 supportsĪutomation Add-ins. To view the articles in the Microsoft Knowledge Base: The COM add-ins that are currently loaded are selected.Īdditional information about COM Add-ins, click the following article numbers The COM Add-ins dialog box lists all COM add-ins that are installed on the computer. Under Manage, click COM Add ins, and then click Go. To do this, follow these steps:Ĭlick the Microsoft Office Button, and then click Excel Options. Installed on your system, and the COM Add-ins that are currently loaded are The dialog box lists all COM Add-ins that are Close the Toolbars dialog box.Ĭlick the COM Add-ins command that you added to display the COM Add-ins dialog box. Locate COM Add-ins in the list of commands and drag the command to a menu orĬommandBar of your choice. In the Toolbars dialog box, click the Advanced tab. On the View menu, point to Toolbars and then click Customize. Loaded in Excel: loaded at startup, loaded at next startup only, loaded onĬOM Add-ins can also be loaded and unloaded The load behavior describes how the Add-in is The subkey forĪ COM Add-in also contains values that describe the COM Add-in's friendly name,ĭescription, and load behavior. The name of the subkey is the ProgID for the COM Add-in. This key contains a subkey for each installed COMĪdd-in. HKEY_CURRENT_USER\Software\Microsoft\Office\Excel\Addins\ COM Add-ins used by Excel are registered in the following registry Registration, a COM Add-in is registered for each Office application in which Registry entries are created for the Add-in. When a COM Add-in is installed on a user's system, Methods of this interface: OnConnection, OnStartupComplete, OnAddinsUpdate, OnBeginShutDown, and OnDisconnection. All COM Add-ins must implement each of the five COM Add-in functions cannot be directly called from cell formulasĪ COM Add-in is an in-process COM server (an ActiveXĭLL) that must implement the IDTExensibility2 interface. Specific to Excel such as opening or closing workbooks or entering data on COM Add-ins are typically used to automate Excel in response to aĬlick of a CommandBar button, a form or dialog box, or some other event COM Add-ins COM Add-ins present the developer with a way to extend theįunctionality of Office 2000, Office XP, Office 2003 and Office 2007 applications forĬustom tasks.