VBA Package

The VBA built-in package collects the standard runtime library — the modules grouping the standalone procedures (MsgBox, CStr, Mid, Format, …), plus a small number of intrinsic classes (Collection, Err) and twinBASIC’s runtime expression engine.

Classes

  • Collection – ordered set of values or object references, accessed by 1-based index or by optional string key
  • ErrObject – the singleton Err object holding information about the most recent run-time error
  • TbExpressionService – runtime expression engine – parse and evaluate twinBASIC-syntax expressions supplied as strings

Modules

  • (Default) – unqualified low-level intrinsics – the GetMem / PutMem family, AllocMem, atomic operations, compile-time reflection, codegen and stack-inspection primitives, …
  • Compilation – compile-time intrinsics that record the project, component, procedure, and source file at the call site
  • Constants – global character, pointer, and error-base constants reachable without qualification (vbCrLf, vbNullString, vbObjectError, …)
  • Conversion – type coercion (CBool, CDate, CType, …), number ↔ string parsing, base conversion, and Variant-with-error construction
  • DateTime – reading the system clock, building Date values from components, parsing them out of strings, and shifting them by chosen units
  • FileSystem – pathname-based and file-number-based operations on files and directories
  • Financial – annuity calculations, internal-rate-of-return analysis on variable cash flows, and asset depreciation
  • Information – Is… predicates, VarType / TypeName, array bounds and construction, raw pointers (ObjPtr, StrPtr, VarPtr), and RGB colour helpers
  • Interaction – dialogs (MsgBox, InputBox), inline conditionals (Choose, Switch, IIf), process launching, registry helpers, environment, and dynamic-dispatch primitives
  • Math – sign and magnitude, trigonometry, exponentials and logarithms, the square root, rounding, and pseudo-random numbers
  • Strings – measuring, searching, slicing, padding, joining, splitting, and formatting String values

Note

The modules listed above are used for grouping documentation, they don’t always match exactly with the implementation details of the VBA package.