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-
- DV Tree External Device Interface (DVTXDI.COM) Version 1
-
- *************** Important! Important! Important! *****************
- You must be running DESQview version 2.26 or higher for DVTXDI.COM to be
- of value! (Meaning, in 2.25, it won't do anything).
- **************************************************************************
-
- *************** Important! Important! Important! *****************
- You must also be running DOS version 3.1 or higher. The reason for this,
- and a possible cure, is contained in a Quarterdeck
- Technical note obtainable from Quarterdeck Office
- Systems. The note may also be found as Quarterdeck
- White Paper TERMXDI.PAT.
- **************************************************************************
-
- DVTXDI is a TSR (terminate-and-stay-resident) program that
- keeps track of DESQview processes through an interface method provided
- by DESQview itself. It should be loaded prior to DESQview, preferably
- in high memory using QEMM, QRAM, CTMAP, or some other high loading
- program that does its work in AUTOEXEC.BAT. Once loaded, DESQview may
- then be started.
- The following programs by the same author utilize the services
- provided by DVTXDI:
-
- DV Tree 1.7 (and above)
- DV Task Manager 1.1 (and above)
-
- Only one copy of DVTXDI should be loaded to support the above
- programs. If multiple copies of DVTXDI.COM are available on distribution
- disks from the same author, the one with the most recent file date
- (if different) should be used.
- For program-specific information, see the section(s) below.
-
-
- Relevance to DV Tree:
-
- Under normal operations, DV Tree can only be aware of other tasks
- in DESQview that it initiated itself. With DVTXDI loaded, DV Tree becomes
- able to know whether a LOTUS 1-2-3 window, for instance, was started
- independently from the DESQview Open Menu. This information is useful at
- one major point - when the program is asked to start LOTUS 1-2-3 via a
- DESQview Function key. Normally, DV Tree would be unaware of the other
- copy and start a new one, possibly causing the first to swap out of the
- system. With DVTXDI loaded, DV Tree will be aware of the old copy's
- existence just as if it had started it itself.
-
-
- Relevance to DV Task Manager:
-
- DVTXDI is essential to DV Task Manager's operation and therefore
- must be installed. DV Task Manager will display an error message and
- terminate if DVTXDI is not detected in the system at startup.
-
-
- Batch file access:
-
- A small utility program, TAPXDI.COM is provided to allow
- the setting of an ERRORLEVEL in a batch file based on whether or not an
- application associated with a particular set of DESQview Open Keys is
- currently active. For syntax, run TAPXDI with no operands. An example
- of how TAPXDI may be used is available in the TAPX.BAT example file.
-
-