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via the object inspector window.

The menu bar contains the following commands:

=over

=item File

=over

=item New

Closes the current form and opens a new, empty form.
If the old form was not saved, the user is asked if the changes made
have to be saved.

This command is an alias to a 'new file' icon on the panel.

=item Open

Invokes a file open dialog, so a I<.fm> form file can be opened.
After the successful file load, all form widgets are visible and
available for editing.

This command is an alias to an 'open folder' icon on the panel.

=item Save

Stores the form into a file. The user here can select a type
of the file to be saved. If the form is saved as I<.fm> form
file, then it can be re-loaded either in the builder or in the
user program ( see L<Prima::VB::VBLoader> for details ).
If the form is saved as I<.pl> program, then it
can not be loaded; instead, the program can be run immediately
without the builder or any supplementary code.

Once the user assigned a name and a type for the form, it is
never asked when selecting this command.

This command is an alias to a 'save on disk' icon on the panel.

=item Save as

Same as L<Save>, except that a new name or type of file are
asked every time the command is invoked.

=item Close

Closes the form and removes the form window. If the form window
was changed, the user is asked if the changes made
have to be saved.

=back

=item Edit

=over

=item Copy

Copies the selected widgets into the clipboard, so they can be
inserted later by using L<Paste> command.
The form window can not be copied.

=item Paste

Reads the information, put by the builder L<Copy> command into the
clipboard, and inserts the widgets into the form window. The child-parent
relation is kept by names of the widgets; if the widget with the name of
the parent of the clipboard-read widgets is not found, the widgets are inserted
into the form window.
The form window is not affected by this command.

=item Delete

Deletes the selected widgets.
The form window can not be deleted.

=item Select all

Selects all of the widgets, inserted in the form window, except the
form window itself.

=item Duplicate

Duplicates the selected widgets.
The form window is not affected by this command.

=item Align

This menu item contains z-ordering actions, that
are performed on selected widgets.
These are:

Bring to front
Send to back
Step forward
Step backward
Restore order

=back

=item Change class

Changes the class of an inserted widget. This is an advanced
option, and can lead to confusions or errors, if the default widget
class and the supplied class differ too much. It is used when
the widget that has to be inserted is not present in the builder
installation. Also, it is called implicitly when a loaded form
does not contain a valid widget class; in such case I<Prima::Widget>
class is assigned.

=item Creation order

Opens the dialog, that manages the creation order of the widgets.
It is not that important for the widget child-parent relation, since
the builder tracks these, and does not allow a child to be created
before its parent. However, the explicit order might be helpful
in a case, when, for example, C<tabOrder> property is left to its default
value, so it is assigned according to the order of widget creation.

=item Toggle lock

Changes the lock status for selected widgets. The lock, if set, prevents
a widget from being selected by mouse, to avoid occasional positional changes.
This is useful when a widget is used as owner for many sub-widgets.

Ctrl+mouse click locks and unlocks a widget.