class SetAttrByExprCmd : public Command (Return to index)

command to set attributes on a component by evaluating an expression.

Type:
    Instantiable

Base Classes:

Derived Classes

Include file:

    OverlayUnidraw/setattrbyexpr.h

Description:

This command checks for a non-empty selection in the current editor, then pops up a dialog box for entering attribute expressions to evaluate. symbols on the right hand side of an assigment operator are used to look up and return values from the property list (AttributeList) of a component. symbols on the left-hand side of an assignment operator are used to create or modify an entry in the same component property list.

Public:



Protected:



(more documentation)