Used to create and delete defined names associated with the DLL.
The name of the range, which should conform to the usual limitations in Microsoft Excel on valid names.
pxNameDefinition (xltypeStr, xltypeNum, xltypeBool, xltypeErr, xltypeMulti, xltypeSRef, xltypeRef, or xltypeInt)
(Optional). The value, set of values, cell, or range of cells that pxNameText is defined as. If omitted, the name is deleted.
When a function or command is registered using xlfRegister with a valid pxFunctionText argument, Excel creates a name associated with the DLL resource. When your DLL is being unloaded, such names should be deleted using the xlfSetName function. However, due to a known issue in Excel, this deletion operation fails. For more information, see Known Issues in Excel XLL Development.