The plug-in method
%CADBackground defines a 4D CAD area that is
not editable and not focusable (tabable) as on object on a 4D form.
%CADBackground area is an ideal way to show background graphics on a 4D form
You can put it on page 0 of the form, or on separate pages.
It will try to use the background color of the 4D form as background color,
but you can still call
To use it, add
%CADBackground as a variable of type Plug-in Area to a 4D form.
The variable must be typed as a longint, in the example as
the Area ID.
%CADBackground area can also be put on a 4D output form,
but it can not be used on a 4D output form for printing,
4D CAD has its own printing methods.
Loading of drawings is handled by calling 4D CAD methods, see Storing and loading drawings.