Sub...Exitsub...EndSub

Program flow management function.

The Sub...EndSub structure defines a subroutine.

Syntax

Sub <sub_name>([<param1>[,<param2>]....])
  [local <variable_name>]
  <statements>
  [ExitSub]
  <statements>
EndSub

Parameters

<sub_name>, name of the subroutine. The maximum length of the name is 32 characters.

<param>, optional parameters. Parameters are passed by reference, not by value.

The keyword LOCAL permits the declaration of local variables.

ExitSub is used to quit the subroutine inside the procedure.

Remarks

The execution of a subroutine is stopped either by an EndSub statement, or by an ExitSub statement. ExitSub can be used anywhere within the subroutine.

See also

Function

Program Structure

Global and local variables

Example code

 

Sub my_routine()

ret=msgbox("Would you like to leave the subroutine?",4,"EXAMPLE")

 

if ret=6 then

' If ret=yes then leave the subroutine

ExitSub

endif

 

msgbox("I'm in my subroutine")

 

EndSub

 

my_routine()

' execute the subroutine

msgbox("Program end !")