Used to return a handle for data saved by the xlDefineBinaryName function. Data with a defined binary name is saved with the workbook and can be accessed by name at any time. For more information, see "Binary name Scope Limitation" in Known Issues in Excel XLL Development.
pxRes (xltypeBigData or xltypeErr)
Bigdata structure specifying the retrieved data or an error is the data could not be retrieved or the name is not defined. When the function returns, the hdata member of the XLOPER/XLOPER12 contains a handle for the named data. pxRes should be freed in a call to xlFree when no longer required.
A string specifying the name of the data.