Macro variable assignments are evaluated when SCL programs are compiled, not when they are executed. Thus, the %LET statement is useful for assigning literal values at compile time. For example, you ...

For example, to enable drag and drop for the toolbar called TBAR1, include the _enableDragDropSite method of the Widget class in the SCL program: INIT: call notify ('tbar1', '_enable_drag_drop_site_') ...