Text colour
Background colour (bgcolor)Background colour
Font (font)Specify font
Null OK (nullok)If this option is set then then contents of the file may be null, ie., empty
Parent field (master)Field in parent query used to link to child field in the associated query
Child field (child)Field in the associated query used to link to parent expression
Display expression (show)Expression for the associated query to be displayed in the link control
Null value (nullval)Value to show when parent field contains null
Dynamic (dynamic)Set this option to get retrieve the list of possibe values each time focus enters the control; otherwise, the list of generated when the form or report which contains the link is started.
Extra values (extra)This is a list of sql expressions which are added to the database query. These can be retrieved in scripts using the getExtra method.
No Blank (noblank)Supresses the display of an initial blank value. Use for selectors on menu-only blocks, likely to affect form update otherwise.
Preload data (preload)Normally link data is loaded when the form is loaded. If Defer is selected, no data is loaded until a script calls link.reload(). The Preload option applies when running in RekallWeb server mode, and loads the data when the form is loaded and cached.