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CMNDPROC.BAS Documentation

Overview

CMNDPROC.BAS is a Visual Basic module that handles command processing for a CAD/drawing file management system. It manages file operations, printing, and communication between different parts of the system.

Global Variables

File Location Variables

  • Place$, Lpt$, PrinterGroup$, Tray$, Limits$ - Arrays storing printer and location info
  • NetWPath$ - Network path for shared files
  • EngrDrive$ - Engineering drawings drive path
  • IEDrive$ - Industrial Engineering drive path
  • temppath$ - Temporary file path

Message/Queue Files

  • COMPLETE$ - Complete queue file
  • INCOME$ - Incoming queue file
  • Reply$ - Reply queue file
  • MessageFileName$ - Message file name
  • MessageLogName$ - Log file name

Key Subroutines

StartSystem()

Main processing loop that:

  • Monitors incoming command queue
  • Processes commands
  • Generates replies
  • Handles file operations

AddHeaders()

Adds print headers to PostScript files including:

  • Job information
  • Page setup
  • User details

PrintPSFile()

Handles printing PostScript files:

  • Adds headers
  • Sends to printer queue
  • Monitors print completion

File Operations

  • MoveIN() - Moves files into system
  • MoveOUT() - Moves files out to users
  • CopyIt() - Copies drawing files
  • DeleteIt() - Deletes files
  • SaveRev() - Saves drawing revisions

Support Functions

  • LoadPrinters() - Loads printer configurations
  • LoadPlot() - Loads plotter settings
  • LoadSubDirs() - Loads subdirectory mappings
  • Messages() - Logs messages
  • PrintLog() - Prints to log file

Command Types

  • P - Print drawing
  • R - Reference drawing
  • O - Check out drawing
  • I - Check in drawing
  • B - Move back drawing
  • Y - Copy drawing
  • E - Move to IE
  • W - Print wiring diagram
  • T - Print text file

File Types Handled

  • AutoCAD (.DWG)
  • Pro/E (.PLT, .DRW, etc)
  • PDF files
  • PostScript files
  • Text/INI files
  • Altium files
  • SolidWorks files
  • Menu folders

Error Handling

  • Error codes returned in replies
  • Logging of errors
  • Retry mechanisms for file operations
  • File locking detection

Configuration Files

  • PRINTER.CFG - Printer definitions
  • PLOT.CFG - Plotter settings
  • SUBS.CFG - Subdirectory mappings
  • ExternalUsers.txt - External user mappings

Communication

  • Uses file-based queues for commands
  • Reply messages for status
  • Watchdog timer monitoring
  • Process synchronization

CMNDPROC.BAS is the main module that contains the core business logic and processing functionality, while Cmdproc-1.frm through Cmdproc-6.frm are the form modules that provide the user interface components:

  1. CMNDPROC.BAS:
  • Contains all the core functions for file operations, command processing, and system management
  • Handles the actual processing of commands and file operations
  • Manages communication between components
  • Contains global variables and configuration settings
  1. Form Relationships:
  • Cmdproc-1.frm: Main interface form that displays status, logs, and controls
  • Cmdproc-2.frm: Handles printer and plotter configuration interface
  • Cmdproc-3.frm: Manages file viewing and selection interface
  • Cmdproc-4.frm: Provides command entry and monitoring interface
  • Cmdproc-5.frm: Shows system status and diagnostic information
  • Cmdproc-6.frm: Contains settings and configuration interface

The forms access the functions and variables in CMNDPROC.BAS to:

  • Display status information
  • Trigger command processing
  • Show operation results
  • Configure system settings
  • Monitor system state

CMNDPROC.BAS acts as the central processing module while the forms provide the UI layer for user interaction with the system.