This code demonstrates how you can use your TraRTTI descendants to provide support for Set type properties without using Sets. Version 1.0 of RAP does not support Set types. However, it is possible, using RTTI, to supply support for Set type properties.  Take, for instance, TFont’s Style property which is of type TFontStyles – a  Full Article…

There are two very simple and powerful techniques to extend the capabilities of RAP infinitely. These are summarized below and covered in more detail in the RAP.hlp online help. Demos and tutorials are installed to RBuilder\Demos\RAP. The tutorial text is located in RAP.hlp. RAP Pass-Through Functions These are functions that appear in the Language tab  Full Article…

TECH TIP: Accessing Pass-Through Functions in Delphi Design-Time Question: “How do I make my pass-through functions available at design-time?” Since pass-through functions are registered with RAP by calling raRegisterFunction (typically in the Initialization section of a unit), to make your functions available at design-time we simply need to arrange to have the initialization section of your  Full Article…