This forum is for registered user's of Investor/RT only. The forum should be used to for information related to the Investor/RT Software Developer's Kit(SDK). The Investor/RT SDK is a toolkit for developing plug-in technical indicators and trading signals for use in Investor/RT. Plug-ins are written in either the C or C++ programming language. On the Windows platform, plug-ins are implemented as "Dynamic Link Libraries" (DLL's). On the Macintosh platform, plug-ins are developed as "Shared Libraries" (shlb files).