This chapter describes how to to extend the functionality of HoTMetaL PRO by creating an ActiveX control (such as a DLL) in C++. This will enable you to go beyond the capabilities of scripting languages such as VBScript, and, for example, create custom dialog boxes.
An example is provided for browsing the structure of an open document in HoTMetaL PRO DTD.
This example used Microsoft Visual C++ 5.0, but the steps would be very similar for 6.0. The instructions assume a basic understanding of how to use MSVC++ and HoTMetaL PRO.
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