I'm use Excel 2010 and the Excel 2010 XLL SDK. I try with this function:
__declspec(dllexport) LPXLOPER12 WINAPI dfutil(void)
{
static XLOPER12 xlArray;
XLOPER12 xlValues[4];
int i;
double z = 3.1456;
for (i = 0; i < 4; ++i)
{
xlValues[i].val.num = i*z;
xlValues[i].xltype = xltypeNum;
}
xlArray.xltype = xltypeMulti;
xlArray.val.array.lparray = xlValues;//&xlValues[0];
xlArray.val.array.rows = 1;
xlArray.val.array.columns = 4;
return (LPXLOPER12) &xlArray;
}
Definition:
{
L"dfutil",
L"QU",
L"dfutil",
L"",
L"1",
L"SimpleXll2007",
L"",
L"",
L"ReturnArray function help",
L"",
L""
},
When xlValues
array size is 4 then returns to excel 4 values, but the 3rd value is TRUE (??). When xlValues
array size is 10 it returns to Excel a #NUM error. What is the right way to return array to Excel?
PS I use such template this article http://blogs.msdn.com/b/andreww/archive/2007/12/09/building-an-excel-xll-in-cc-with-vs-2008.aspx
You need to make xlValues static too. Using https://xll.codeplex.com will make your life easier.
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