New (Screen constructor): Difference between revisions

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<tr><th>%screen</th>
<tr><th>%screen</th>
<td>A declared <var>Screen</var> object variable.</td></tr>
<td>A declared <var>Screen</var> object variable.</td></tr>
<tr><th><var>%(Screen)</var></th>
<td>The optional class name in parentheses denotes a <var>[[Notation conventions for methods#Constructors|Constructor]]</var>.  See [[#Usage notes|"Usage notes"]], below, for more information about invoking a <var>Screen</var> <var>Constructor</var>.</td></tr>
</table>
</table>


==Usage notes==
==Usage notes==
<ul>
<ul>
<li>New is a constructor and as such it can be called with no object, with an explicit class name, or with an object variable, even if that object is null:
<li>As described in [[Object variables#Using New or other Constructors|"Using New or other Constructors"]], <var>New</var> can be invoked with no object, with an explicit class name, or with an object variable in the class, even if that object is <var>Null</var>:<p class="code">%screen = new
<p class="code">   %scr = new
 
  %scr = %(screen):new
%screen = %(Screen):new
  %scr = %scr:new
 
</p></ul>
%screen = %screen:new
</p>
</ul>


==See also==
==See also==
{{Template:Screen:New footer}}
{{Template:Screen:New footer}}

Revision as of 19:24, 27 July 2011

Create new Screen instance (Screen class)

Theis shared function instantiates a Screen object.

Syntax

%screen = [%(Screen):]New

Syntax terms

%screen A declared Screen object variable.
%(Screen) The optional class name in parentheses denotes a Constructor. See "Usage notes", below, for more information about invoking a Screen Constructor.

Usage notes

  • As described in "Using New or other Constructors", New can be invoked with no object, with an explicit class name, or with an object variable in the class, even if that object is Null:

    %screen = new %screen = %(Screen):new %screen = %screen:new

See also