This example returns an array containing two cells: the book name and the sheet name contained in the argument FullName.
// Function: SheetTest // Purpose: Split a full sheet name into book and sheet name parts //{{XLP_SRC(SheetTest) // NOTE - the FunctionWizard will add and remove mapping code here. // DO NOT EDIT what you see in these blocks of generated code! IMPLEMENT_XLLFN2(SheetTest, "RC", "SheetTest", "FullName", "User Defined", "Split a full sheet name into book and sheet name " "parts", "No description provided\000", "\0appscope=1\0", 1) extern "C" __declspec( dllexport ) LPXLOPER SheetTest(const char* FullName) { XLL_FIX_STATE; CXlOper xloResult; //}}XLP_SRC CString bookName, sheetName; CXllApp::SplitSheetName(FullName, bookName, sheetName); xloResult.AllocArray(1, 2); xloResult.Cell(0, 0) = bookName; xloResult.Cell(0, 1) = sheetName; return xloResult.Ret(); }