Function Expression

Returns the address of the given event handler, or defines a lambda expression.

Syntax

Operator construct

Function procedure_name

Expression construct

Function ( [ parameter_list ] ) expression

Block construct

Function [ ( [ parameter_list ] ) ]
    statements
End [ Function ]

Parts

procedure_name
The name of an event handler.
parameter_list
Mandatory in the expression construct.
Optional in the block construct.
Zero or more declarators with a comma between each, all between parentheses.
expression
Mandatory expression. The type of the expression is the return type of the procedure.
statements
Mandatory one or more executable statements. One of the statements must be Return.
End
Completes the expression. You can also use End Function. You can make one of these mandatory with the directive @Option End. See @Option Directive for more information

Instructions

Operator construct

The procedure procedure_name must have the clause Handles. You use an element of the event type to store the address returned by Function. The element can be a variable or procedure parameter, or a value returned by a function or property.

Lambda constructs

TODO

Examples

TODO

See also