SAS Component Language Dictionary

_EVENT_

Contains the type of event that occurred on a FRAME entry control

Category:

System Variable

Details
Example
See Also

Details

_EVENT_ is a character system variable. It is provided automatically by the FRAME entry in SAS/AF, and the SCL compiler automatically creates a space for it in the SCL data vector.

In order to use _EVENT_, you must use the DECLARE or LENGTH statement to declare it as a character variable. If _EVENT_ is not declared, the following error is produced when the _select or _objectLabel method executes:

ERROR: Expecting string (P), received SCL number
       (symbol '_EVENT_').

_EVENT_ has a valid value only when a window control's _select or _objectLabel method is executing. _EVENT_ can have one of the following values:

' ' (blank)	Modification or selection
'D'	Double click (An 'S' select event always precedes a 'D' double click event.)
'C'	Command
'P'	Pop-up menu request
'S'	Selection or single click

Example

The following _select method prints the value of _EVENT_ when a window control is modified.

length _event_ $1;

SELECT: method;
   call super(_self_,'_select');
   put _event_=;
endmethod;