XFA Specification
Chapter 15, Template Specification
Template Reference
513
The use property
Invokes another object in the same document as a prototype for this object. The content of this property is
either a SOM expression (which cannot start with '#') or a '#' character followed by an XML ID.
Starting with XFA 2.4 the object used as a prototype no longer needs to be the child of
proto
. Any object
of the appropriate class can be used as a prototype.
If both
use
and
usehref
are non-empty
usehref
takes precedence.
The usehref property
Invokes an external object as a prototype for this object. The content of this property is an URL, followed
by '#', followed by either an XML ID or by som(SOM_expr) where
SOM_expr
represents a SOM expression.
The XML ID or SOM expression is resolved in the context of the external document.
If both
use
and
usehref
are non-empty
usehref
takes precedence.
The validate property
A
automation
element that controls validation of user-supplied data.
For more information see "The
validate element".
The vAlign property
(DEPRECATED) Controls how the paragraph is vertically aligned within a flowed parent. This attribute is
ignored if the parent container specifies positioned layout.
This attribute must be one of the following:
top
The container is placed at the top of the parent container.
middle
The container is placed in the middle of the parent container.
bottom
The container is placed at the bottom of the parent container.
Use of this attribute on this element is now deprecated. Use the
vAlign
attribute on the
para
element
instead.
The w property
Width for layout purposes. A
measurement
value for
w
overrides any growth range allowed by the
minW
and
maxW
attributes. The
absolute omission
of this attribute or a value specified as an empty string
indicates that the
minW
and
maxW
must be respected.
This attribute has no default. Setting this attribute to "-1" is an error.
The x property
X coordinate of the container's
anchor point
relative to the top-left corner of the parent container's
nominal content region
when placed with
positioned
layout. Defaults to 0.
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