Features that are not supported for Synergy .NET development

The Synergy Language, .NET, and Visual Studio features listed in this topic are not supported for Synergy .NET development. In this topic,

routines that are part of an unsupported API or product are not listed individually.
“.NET terminal applications” refers to applications built with a cross-platform target framework (e.g., “.NET 6.0”), rather than a Windows-specific .NET target (e.g., “.NET 6.0 Windows”). See Application page of Visual Studio project properties (Synergy .NET) for information on the “Target framework” setting.

Data types

The p (packed) data type is not supported for .NET development.

Directives

The following preprocessor directives are ignored:

.LIST

.NODEBUG

.NOLIST

.NOPROTO-.PROTO

.PAGE

.START

.TITLE

Records and structures

Records or structures larger than 1 MB are not supported.

Statements and statement modifiers

The following statements are ignored:

ALLOC

BKTSIZ

BLKSIZ

BUFNUM

BUFSIZ

CONTIG

DEQ

DETACH

RECTYPE

RECV

SEND

The $SCR functions for the DISPLAY statement are ignored.

The PROTECTED and PRIVATE qualifiers for the ENUM statement are not supported.

The MASK qualifier on the GETS statement is ignored.

The TRUNCATE modifier is ignored for the FUNCTION, MAIN, METHOD, and SUBROUTINE statements.

Subroutines and functions

Synergy .NET does not support the following routines (along with all routines for APIs listed in APIs). Unsupported routines generally cause compiler errors.

ACCHR

ACESC

ASTRST

ASTSAV

BREAK

BTOD

CREMBX

CVTIIV

CVTIZV

DAESC

DBL$ subroutines

DELMBX

DFLAG

DTOB

EMPBUF

ENDFL

EXEC

%ERR_TRACEBACK

FATAL

FORK

FSTAT

%FSTAT

FXSUBR

GETCM

GTPPN

%HTTP_METHOD

%HTTP_SERVER routines

%INIT_SSQL

JBNAM

KILL

%LINE

LOCALIZE

%PACKED

PAINT

%PAINT

^PASSTHRU

PURGE

PUTCM

RCFLG

RCVID

^REF

RUNJB

%RX_DEBUG_INIT

%RX_DEBUG_START

%RX_RMT_ENDIAN

%RX_RMT_INTSIZE

%RX_RMT_OS

%RX_SETRMTFNC

SDMS_SEL

SERIAL

SET_XFPL_TIMEOUT

SETCTL

SORT

SPAWN

%SS_FATALSTTY

%SUCCESS

%SYN_ATEXIT

%SYN_CHARTOSTR

%SYN_GETDIR

%SYN_GETSTATE

SYN_REPORTEVENT

%SYN_SETSTATE

%TNMBR (deprecated)

TFLSH (doesn’t cause error)

TT_NAME_TO_NUMBER

TT_NUMBER_TO_NAME

TTBRDCST

TTCHAR

TTFLGS

TTMBX

%TTNAME

%TTSTS

VMCMD

VMMSG

%VMS

%WAIT

XARGS

XFPL_LOG

XFPL_REGCLEANUP

^XTRNL

APIs

The following Synergy APIs are not supported for .NET:

Synergy ActiveX API

Synergy DLL API

Synergy floating point API

Synergy routine call block API (partially replaced with ^VARARGARRAY())

Synergy .NET assembly API

Synergy DBL C interface

The DLL_TYPE_DBLCALL convention for %DLL_CALL is not supported and results in a runtime error.

The second argument to %DLL_OPEN is not supported and is ignored.

Synergy/DE products

The Synergy/DE ReportWriter external subroutine interface is not supported for Synergy .NET.

A limited version of UI Toolkit is available for .NET development via Synergex.SynergyDE.tklib.dll (for .NET Framework development) and the Synergex.SynergyDE.tklib.dll NuGet package (for SDK-style projects), but it has had limited testing and is unsupported. See Using UI Toolkit with .NET for more information, and note that with .NET, the method specified for a tab set must use only simple descriptor parameters; object parameters are not supported. Non-CLS structures can be passed if they are treated as alpha parameters.

xfNetLink .NET Edition and xfNetLink Java Edition are not supported. Some xfNetLink Synergy API (RX* routines) are supported.

Utilities

The following general utilities are not supported for Synergy .NET:

Synergy UI Toolkit Control Panel (synctl)

Synergy DBL Profiler

servstat

Monitor utility for Unix

ActiveX diagnostic utility (axutl)

Synergy Prototype utility (dblproto)

Variable Usage utility

gennet/gennet40 utility

dbl2xml utility

Environment variables

Environment variables that are not supported for traditional Synergy on Windows are not supported for Synergy .NET. Additionally, the following environment variables, which are supported for traditional Synergy Windows, are ignored for .NET development and deployment on Windows.

ACTIVEX_LIST

ALT_ variables

APP_HEIGHT

APP_SCALE

APP_WIDTH

AXDEBUG

CMPBSIZ

COMBUF

DBG_BUFFER

DBG_HEIGHT

DBG_INIT

DBG_WIDTH

DBG_X

DBG_Y

DBGSRC

DBL$FATAL_IMAGE

DTK_BEEP

DTK_MENU_UP

DTK_THROW_ABORT

DTKDBG

DTKFSWINSIZ

DTKKEYCTLFIL

DTKMAP

DTKMAPFIL

DTKRND

DTKRNDFIL

DTKTERM

DTKTMP

EDIT_SYSMENU

FONT

FONT_ALPHAFLD

FONT_ALTERNATE

FONT_DEBUG

FONT_FOOTER

FONT_GLOBAL

FONT_HEADER

FONT_INFO

FONT_LIST

FONT_NUMFLD

FONT_PROMPT

FONT_TEXT

FONT_WIDTH

KEEP_BORDER

LIBBSIZ

LIBNBUF

LNKBSIZ

LNKNBUF

MAXMEM

MAXMEMMAX

MAXRECURSELEVEL

MEMDBG

OPTIMIZE_REDRAW

PRINT_PREVIEW_BOTTOM

PRINT_PREVIEW_LEFT

PRINT_PREVIEW_SCROLL

PRINT_PREVIEW_TOP

PRINT_PREVIEW_ZOOM

PROFILE_PROCESSOR_TIME

RETAIN_CONTEXT_CHANGE_ON_
SIGNAL

SDMS_AUDIT

SIG_CORE

SYN_3D_TOOLBAR

SYN_TRANSPARENCY_THRESHOLD

SYN_TRANSPARENT_COLOR

SYNBIN

SYNBITSIZE

SYNCENTURY

SYNCMPOPT

SYNCSCOPT

SYNDEFNS

SYNEXPDIR

SYNIMPDIR

SYNNET_DEBUG

TABSET_STYLE

TERM

WBNOINC

WBTAGCOUNT

WBTAGDELAY

WND

XFNLS_LOGFILE

XSHOW

Note that DTKTERM and TERM do work for .NET terminal applications (Windows and Linux). Other DTK* environment variables may also work for .NET terminal applications.

System options

System options that are not supported for traditional Synergy on Windows are not supported for Synergy .NET. Additionally, the following system options, which are supported on traditional Synergy on Windows, are ignored for Synergy .NET:

#1	Default SEND queue
#2	Default file specification on STOP
#5	CRT mode
#10	Interrupt character(s)
#11	Rounding vs. truncation
#13	Default SEND queue
#17	Terminal number returned by %TNMBR
#21	Interrupt trapping
#22	LPQUE statement
#29	Dimensioned variable
#35	VAX DIBOL–compatible functionality
#37	VAX DIBOL–compatible store
#38	VAX DIBOL–compatible OPEN with O:P
#39	VAX DIBOL–compatible OPEN with TT: and echoing characters
#40	XCALL profiling
#41	Cumulative XCALL profiling
#42	Profiling regardless of compiler options
#43	Stop message
#52	Line profiler
#53	Record defaults to LOCAL record
#54	Relax rules for compiling with -qcheck

Additionally, system option 30 (Default terminal definition), which is not supported for traditional Synergy on Windows, is supported for .NET terminal applications on Windows and Linux.

.NET features

The following .NET features are not supported by Synergy .NET:

LINQ syntax
Dynamic language extensions
Fixed, Unsafe, Using, Checked, and Unchecked statements/modifiers
Using (alias declaration)

These unsupported language features will generate errors if contained in C# example code run through the Code Converter.

Unsupported Visual Studio features

The following Visual Studio features are not supported for Synergy .NET development:

Web form projects
Edit and Continue
The Autos window, which displays variables for the current statement (Debug > Windows > Autos)
Visual Studio Team System features that require additional plug-in support from Synergy
Refactoring