Attribute 'conditionalshow'

The pragma is relevant for function blocks and other types contained in a library.

The effect of the pragma is that the complete function block containing this attribute is not displayed on the user interface if the associated library is installed as a *.compiled library. However, the function block is displayed on the user interface if the associated library is installed as a *.library.

Affected features:

Library management
Debugging
Input assistant
List components function
Monitoring
Symbol configuration

This is useful when you are developing libraries. As a library developer, you provide function blocks or variables with the pragma. This allows you to specify which identifiers are hidden after being included in a project. If you miss the hidden identifiers later, for example when debugging or further developing the library, you can re-enable their visibility.

Syntax: {attribute 'conditionalshow'}

Insertion location: Line above a signature

Samples

Hide a variable:

FUNCTION_BLOCK FB_Sample
PROGRAM_MAIN
VAR
{attribute 'conditionalshow'}
    nLocal    : INT;
    nCounter  : INT;
END_VAR

The variable nLocal is invisible.

Hide a function block:

{attribute 'conditionalshow'}
FUNCTION_BLOCK FB_ Sample
VAR
    nLocal    : INT;
    nCounter  : INT;
END_VAR

The function block FB_Sample and its variables nLocal and nCounter are invisible.

See also: