New (Screen constructor): Difference between revisions

From m204wiki
Jump to navigation Jump to search
mNo edit summary
mNo edit summary
 
(11 intermediate revisions by 5 users not shown)
Line 1: Line 1:
{{Template:Screen:New subtitle}}
{{Template:Screen:New subtitle}}
This [[Notation conventions for methods#Shared methods|shared]] function instantiates a <var>Screen</var> object.


This shared function instantiates a Screen object.
==Syntax==
==Syntax==
{{Template:Screen:New syntax}}
===Syntax terms===
===Syntax terms===
<dl>
<table class="syntaxTable">
<dt>%screen  
<tr><th>%screen</th>
<dd>A declared Screen object variable.
<td>A declared <var>Screen</var> object variable.</td></tr>
</dl>
<tr><th><var>[%(Screen):]</var></th>
==Usage Notes==
<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>


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:
==Usage notes==
<ul>
<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
 
%screen = %(Screen):new
 
%screen = %screen:new
</p>
</ul>


%scr = new
%scr = %(screen):new
%scr = %scr:new
==See also==
==See also==
{{Template:Screen:New footer}}
{{Template:Screen:New footer}}

Latest revision as of 22:43, 16 November 2012

Create new Screen instance (Screen class)

This 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