O

Object (data type)

Objects (topic)

Oct, Oct$ (functions)

OKButton (statement)

On Error (statement)

Open (statement)

OpenFilename$ (function)

Operator Precedence (topic)

Operator Precision(topic)

Option Base (statement)

Option Compare (statement)

Option CStrings (statement)

Option Default (statement)

Option Explicit (statement)

OptionButton (statement)

OptionGroup (statement)

Or (operator)

More information

Basic Control Engine Language Reference