WorkBooks::OpenText failure
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Hi, I am get an assert error when calling WorkBooks::OpenText I traced it down the code to dispatch->invoke and the return code from that was 0x80020008 DISP_E_BADVARTYPE One of the arguments in rgvarg is not a valid variant type. I had a VARIANT for all my arguments besides the 5th which is a long My question is then the following almost all the paramters are optional besdides the first which is the filename I assumed optional was a NULL so. I coded the following for NULL VARIANT varfalse. varfalse.intVal = 0; varfalse.vt = VT_INT; is this correct ? thanks .
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Hi, I am get an assert error when calling WorkBooks::OpenText I traced it down the code to dispatch->invoke and the return code from that was 0x80020008 DISP_E_BADVARTYPE One of the arguments in rgvarg is not a valid variant type. I had a VARIANT for all my arguments besides the 5th which is a long My question is then the following almost all the paramters are optional besdides the first which is the filename I assumed optional was a NULL so. I coded the following for NULL VARIANT varfalse. varfalse.intVal = 0; varfalse.vt = VT_INT; is this correct ? thanks .
ForNow wrote:
is this correct ?
no ... you should use
varfalse.vt = VT_EMPTY
or
varfalse.vt = VT_NULL