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Open Architecture

RadVC's open architecture lets you create your own RAD C++ controls and use them just like other standard and ActiveX controls in RadVC environment.

Unlike other RAD component architectures (e.g. ActiveX, VCL), RadVC's unique architecture provides you the maximum power and flexibility in creating RAD C++ components.

 
(1) C++ with RAD: Like other RAD controls (such as ActiveX, VCL), RAD C++ controls have properties, events, and methods. Thus they can be used in a RadVC like RAD environment. Click on the following links to find more  on how you can create RAD C++ controls and add these attributes to them.
Creating and Using RAD C++ Controls are as Easy as 1-2-3
Spice up your C++ Controls with a Touch of RAD

(2) Source Level Code Re-Use: One important aspect of "Component Based Development (CBD)" is the fact that, components are easy to reuse. For example, once an ActiveX control is registered / installed in a system registry, that control can be used in any project in that system.

Unlike "ActiveX" - type binary controls, code re-use of source-based C++ controls is not that simple. This is so because most C++ controls are not designed to be project independent, thus the developers have to copy and paste control source code between projects and modify them according to the needs of the specific project. Things get even more complex when a control uses resources that are tightly coupled to a specific project.

RadVC's open architecture lets you design and develop your C++ controls as self-contained, project independent software modules, even at their source code level. Furthermore the control resources are managed separately, so that they can be re-used just like the control source code.

In addition to the project-independent control creation and development, RadVC's "Single-Click Setup" lets you  assemble (package) and deploy C++ controls in their source code format.

Enabling controls to be developed and managed at the source level provides maximum flexibility not found in any existing RAD technologies.

(3) One Architecture, Many Formats: RadVC's open architecture lets you develop RAD C++ controls in a number of different formats:

(a) Source: The RAD C++ control is comprised of self - contained, project independent source files. This type of control provides you maximum power and flexibility, since not only you can extend control functionality, but you can modify the control source code.

(b) Library: The RAD C++ control is implemented in a MFC extension library, similar to the RFC library. This type of RAD C++ controls lets you extend control implementation, but does not provide you the flexibility of modifying control source code.

(c) ActiveX: From the source - type RAD C++ control, RadVC lets you create a fully functional ActiveX control. The ActiveX control may not be as flexible as the "Source" and "Library" type RAD C++ controls, but they can be used in any ActiveX enabled RAD environment, like Visual Basic.

(d) Interface: The ActiveX control you create in RadVC, also can be used as a C++ interface control. Since the interface controls work through direct method calls (similar to COM's dual interface), they are as fast as the original "source" type RAD C++ controls. More >> Creating a RAD C++ Interface Control

(4) Convertible to Other RAD Technologies: Since RAD C++ controls are strikingly similar to many modern RAD control architectures (such as ActiveX), these controls can be easily convertible to other RAD control formats. Click on the following link to find how a fully functional ActiveX control can be built from a RAD C++ control: Creating an ActiveX Control from the C++ Control

(5) "Publish - Subscribe" type Event: The event model used by RAD C++ open architecture can be applied to any C++ control. This model is far more powerful than the traditional event models used by MFC / ATL class libraries. Furthermore these events can be attached or detached dynamically during the program execution.

(6) Visual Inheritance: Visual inheritance is one of the key new features available in RadVC Open Architecture that will enhance developer productivity and facilitate code reuse. For example, an organization could define a standard base form that contains items such as the corporate logo and perhaps a common toolbar. This form can be used by developers through inheritance and extended to meet the requirements of specific applications while promoting a common user interface across the organization. The creator of the base form can specify which elements can be extended and which must be used as is, ensuring that the form is reused appropriately.

 

 

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This page was last updated on June 09, 2006
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