Category Omitted Feature/Keyword

Array Handling Option Base
Declaring arrays with lower bound <> 0

Collection Add, Count, Item, Remove
Access to collections using ! character (e.g., MyCollection!Foo)

Conditional Compilation #Const
#If...Then...#Else

Control Flow DoEvents
GoSub...Return, GoTo
On Error GoTo
On...GoSub, On...GoTo
Line numbers, Line labels

Conversion CVar, CVDate
Str, Val

Data Types All intrinsic data types except Variant
Type...End Type

Date/Time Date statement, Time statement

DDE LinkExecute, LinkPoke, LinkRequest, LinkSend

Debugging Debug.Print
End, Stop

Declaration Declare (for declaring DLLs)
Optional
ParamArray
Static

Error Handling Erl
Error
Resume, Resume Next

File Input/Output All traditional Basic file I/O

Financial All financial functions

Object Manipulation TypeOf

Objects Clipboard
Collection

Operators Like

Options Deftype
Option Base
Option Compare
Option Private Module

Select Case Expressions containing Is keyword or any comparison operators
Expressions containing a range of values using the To keyword.

Strings Fixed-length strings
LSet, RSet
Mid Statement
StrConv

Using Objects Collection access using !