DeepCopy (ScreenField function): Difference between revisions
Jump to navigation
Jump to search
m (Created page with "This method returns a ScreenField object that is a deep copy of the method object. Since a ScreenField cannot exist without its underlying Screen, however, a ScreenField is deep ...") |
mNo edit summary |
||
| Line 1: | Line 1: | ||
This method returns a ScreenField object that is a deep copy of the method object. Since a ScreenField cannot exist without its underlying Screen, however, a ScreenField is deep copyable only, and no Copy method exists for a ScreenField. For more information about copyability, see “[[Copying Objects]]”. | This method returns a ScreenField object that is a deep copy of the method object. Since a ScreenField cannot exist without its underlying Screen, however, a ScreenField is deep copyable only, and no Copy method exists for a ScreenField. For more information about copyability, see “[[Copying Objects]]”. | ||
==Syntax== | |||
===Syntax terms=== | |||
<dl> | |||
<dt>%outsfield | |||
<dd>A declared ScreenField object. | |||
<dt>%sfield | |||
<dd>A reference to an instance of a ScreenField object. | |||
</dl> | |||
==Usage Notes== | |||
The method object (%screen) may be null. The output of a copy of a null object is a null object. | The method object (%screen) may be null. The output of a copy of a null object is a null object. | ||
Revision as of 20:15, 18 March 2011
This method returns a ScreenField object that is a deep copy of the method object. Since a ScreenField cannot exist without its underlying Screen, however, a ScreenField is deep copyable only, and no Copy method exists for a ScreenField. For more information about copyability, see “Copying Objects”.
Syntax
Syntax terms
- %outsfield
- A declared ScreenField object.
- %sfield
- A reference to an instance of a ScreenField object.
Usage Notes
The method object (%screen) may be null. The output of a copy of a null object is a null object.