RegisterXLL Method
Loads an XLL code resource and automatically registers the functions and commands contained in the resource.
expression.RegisterXLL(Filename)
expression Required. An expression that returns an Application object.
Filename Required String. Specifies the name of the XLL to be loaded.
Remarks
This method returns True if the code resource is successfully loaded; otherwise, the method returns False.
Example
This example loads an XLL file and registers the functions and commands in the file.
Application.RegisterXLL "XLMAPI.XLL"