Taking a simple example: _bstr_t smartString(L\"MyString\"); Process(smartString); // takes BSTR. Initially I thought _bstr_t has a BSTR operator conve开发者_运维百科rting from _bstr_t to BSTR, bu
I\'ve written a simple program in C++ with use of boost::variant. Program\'s code is presented below.
A question on variants.Im aware that variants in Excel vba are both the default da开发者_如何学编程ta type and also inefficient (from the viewpoint of overuse in large apps).However, I regularly use t
I\'m working with COM UPnP. I\'m trying to send SetAVTransportURI action to urn:upnp-org:serviceId:AVTransport.SetAVTransportURI requires 3 params:
I have a VB6 ActiveX DLL with functions that return a Variant. The Variant contains an array of node Variants, each of which contains a string Name and two data arrays (string and double). I am attemp
I want to implement a variant class that can store any datatype (like boost::an开发者_如何转开发y) but with the support of datatype conversion. For example,
I need to convert between std::vector and _variant_t to avoid looping when writing/sending data into some file (database, Excel, etc.)
I\'m trying to pass a struct e. g.: struct SVec3 { public: float X; float Y; float Z; }; into a _variant_t, to store it in an SAFEARRAY. My approach for that is first creating an instance:
This question already has answers here: How to find the number of dimensions that an array has? (3 answers)
How could I implement a \"variant\" class which would act as an adapter between Object and JAXB-natively-supported types?
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