Sort method of Range unusable - generate an exception

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Hello,

Who can tel me what it is wrong in this code ?
I got an exception : 'System.Runtime.InteropServices.SEHException'
Thank you very much

C++

Excel::RangePtr ptrK1 = ptrSheet->Cells->GetItem(1,3);
_variant_t K1 = _variant_t (ptrK1);
Excel::RangePtr ptrK2 = ptrSheet->Cells->GetItem(1,4);
_variant_t K2 = _variant_t (ptrK2);
Excel::RangePtr ptrK3 = ptrSheet->Cells->GetItem(1,2);
_variant_t K3 = _variant_t (ptrK3);

Excel::XlSortOrder order = Excel::xlAscending;
Excel::XlSortType typ = Excel::xlSortLabels;
Excel::XlYesNoGuess head = Excel::xlYes;
Excel::XlSortOrientation orien = Excel::xlSortRows;
Excel::XlSortMethod meth = Excel::xlPinYin;
Excel::XlSortDataOption opt1 = Excel::xlSortNormal;
Excel::XlSortDataOption opt2 = Excel::xlSortNormal;
Excel::XlSortDataOption opt3 = Excel::xlSortNormal;

const _variant_t varM = vtMissing;

//&Key1, Order1, &Key2, &Type, Order2, &Key3, Order3, Header, &OrderCustom, &MatchCase, Orientation, SortMethod, DataOption1, DataOption2, DataOption3
ptrRng->Sort (&K1, order, &K2, &varM, order, &K3, order, head, &varM, &varM, orien, meth, opt1, opt2, opt3);

[EDIT]Code tags added - LOSMAC[/EDIT]

Posted 10-May-12 20:41pm

Member 8959642

Updated 10-May-12 20:51pm

Maciej Los

v2

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Richard MacCutchan 11-May-12 4:36am

Which line generated the exception, and what was the full text of the exception message?

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Member 8959642 · Answer 1 · 2012-05-10T23:43:00

Hello

It is the sort instruction itself.
The exception is at the line 5812 in the excel.tli file.
In the "automatique" view debug, for the &Key1 there is "error:cannot obtain value"; it is the same for all others parameters _variant_t.

and the displayed text is :

Une exception non gérée du type 'System.Runtime.InteropServices.SEHException' s'est produite dans traitementfichiersoab.exe

Informations supplémentaires : Un composant externe a levé une exception.

thank you