Undocumented and Underdocumented Functions/Commands

Jun 25, 2014 at 6:07 PM
For the next help update to the help file:

MESSAGEBOX() -- 4096 accepted as a second parameter. See http://fox.wikis.com/wc.dll?Wiki~MessageBox-Undocumented~Wiki
CLEAR DEBUGGER -- alternative to CLEAR DEBUG. See http://fox.wikis.com/wc.dll?Wiki~ClearDebugger~Wiki
CLOSE PRINTER -- See http://fox.wikis.com/wc.dll?Wiki~ClosePrinter~Wiki. Note: Untested.
SET UDFPARMS -- The "TO" clause is not required. See http://fox.wikis.com/wc.dll?Wiki~FunctionSetUDFParms~Wiki
SYS(1029) -- Displays Foxpro 2.6 menuing system. See http://fox.wikis.com/wc.dll?Wiki~FunctionSys1029~Wiki
SYS(1079) -- Displays VFP's crash dialog. See http://fox.wikis.com/wc.dll?Wiki~FunctionSys1079~Wiki
SYS(1101) -- Returns the same thing as SYS(3050, 1). See http://fox.wikis.com/wc.dll?Wiki~FunctionSys1101~Wiki
SYS(2027) -- Returns LOWER(FULLPATH()). See http://www.foxpert.com/knowlbits_200702.htm
SYS(2701) -- Related to the iAccessability interface. See http://fox.wikis.com/wc.dll?Wiki~FunctionSys2701~Wiki
SYS(3094) -- Seems to return the same value as SYS(3095). See http://fox.wikis.com/wc.dll?Wiki~FunctionSys3094~Wiki
SYS(989) -- Does some interesting things with the debugger. See http://fox.wikis.com/wc.dll?Wiki~FunctionSys989~Wiki
SYS(999, n) -- Brings up internal VFP dialogs. See http://fox.wikis.com/wc.dll?Wiki~FunctionSys999~Wiki
MODIFY CLASS -- IN WINDOW clause undocumented. See http://fox.wikis.com/wc.dll?Wiki~ModifyClass~Wiki
MODIFY COMMAND -- IN MACDESKTOP clause undocumented (and useful!) See http://fox.wikis.com/wc.dll?Wiki~SetMacDesktop~Wiki