NullifyGlobal (Object subroutine): Difference between revisions
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{{Template:Object:NullifyGlobal subtitle}} | {{Template:Object:NullifyGlobal subtitle}} | ||
==Syntax== | ==Syntax== | ||
{{Template:Object:NullifyGlobal syntax}} | {{Template:Object:NullifyGlobal syntax}} | ||
===Syntax terms=== | ===Syntax terms=== | ||
<table class="syntaxTable"> | <table class="syntaxTable"> | ||
<tr><th nowrap="true"><var>%(Object)</var></th> | <tr><th nowrap="true"><var>%(Object)</var></th> | ||
<td>The class name in parentheses denotes a shared method. <var>NullifyGlobal</var> can also be invoked via | <td>The class name in parentheses denotes a [[Notation conventions for methods#Shared methods|shared method]]. <var>NullifyGlobal</var> can also be invoked via an <var>Object</var> class object variable, which may be <var>Null</var>.</td></tr> | ||
<tr><th>name</th> | <tr><th>name</th> | ||
<td>string</td></tr> | <td>A string that specifies the global name that is to be nullified.</td></tr> | ||
</table> | </table> | ||
==Usage notes== | ==Usage notes== | ||
<ul> | |||
<li><var>NullifyGlobal</var> sets the object reference of the <var class="term">name</var> global name to Null, that is, referencing nothing. </li> | |||
<li>If the specified global name does not reference an object, this method does nothing. </li> | |||
</ul> | |||
==Examples== | ==Examples== | ||
See [[Global and session objects#Using system class methods to access global and session objects|Using system class methods to access global and session objects]]. | |||
==See also== | ==See also== | ||
{{Template:Object:NullifyGlobal footer}} | {{Template:Object:NullifyGlobal footer}} | ||
Revision as of 21:57, 12 August 2014
Clear global object reference (Object class)
Syntax
%(Object):NullifyGlobal( name)
Syntax terms
| %(Object) | The class name in parentheses denotes a shared method. NullifyGlobal can also be invoked via an Object class object variable, which may be Null. |
|---|---|
| name | A string that specifies the global name that is to be nullified. |
Usage notes
- NullifyGlobal sets the object reference of the name global name to Null, that is, referencing nothing.
- If the specified global name does not reference an object, this method does nothing.
Examples
See Using system class methods to access global and session objects.