| DataBlade Developers Kit User's Guide Using ActiveX Value Objects |
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The ITDkValue custom interface is provided for the users of the Informix C++ Interface. ITDkValue is a C++ class factory; when a query of the database server results in an ActiveX value object, an ITDkValue object is returned to you.
The ITDkValue object is an Object Interface for C++ ITValue object; thus, the ITDkValue interface provides the same methods as the ITValue interface. You can use this interface, or you can use the QueryInterface() routine to get the IDispatch interface of the object to access its custom methods.
In addition, a global function is provided that returns an ITValue object. It has the following syntax, where Opaque is the current object and ITMVDesc is an Object Interface for C++ descriptor structure:
For information on using the Object Interface for C++, see the INFORMIX-Object Interface for C++ Programmer's Guide.
The ITDkValue interface provides the following methods.