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{{Command|= Comments | |||
____________________________________________________________________________________________ | |||
| ofp |= Game name | |||
|1.00|= Game version | |||
|arg= global |= Arguments in MP | |||
____________________________________________________________________________________________ | |||
| Checks whether the tested item is Null.<br> | |||
Which null type the item has to be equal to depends on the type of object tested:<br> | |||
* [[Object]]s -> [[objNull]] | |||
* [[Control]]s -> [[controlNull]] | |||
* [[Display]]s -> [[displayNull]] | |||
* [[Group]]s -> [[grpNull]] | |||
* [[Location]]s -> [[locationNull]] (since ARMA 2) | |||
* [[Task]]s -> [[taskNull]] (since ARMA 2) | |||
* [[Team Member]]s -> [[teamMemberNull]] (since ARMA 2) | |||
Note: A test via <nowiki>==</nowiki> does not work, because, for example, [[objNull]] is not equal to anything, not even to itself. |= Description | |||
____________________________________________________________________________________________ | |||
| '''isNull''' obj |= Syntax | |||
|p1 = obj: [[Object]], [[Control]], [[Display]], [[Group]] (or [[Location]], [[Task]], [[Team Member]], since ARMA 2) |= Parameter 1 | |||
| [[Boolean]] |= Return value | |||
____________________________________________________________________________________________ | |||
|x1 = <code>if (isNull obj) then {hint "doesn't exist"} </code> | |||
| [[controlNull]], [[displayNull]], [[grpNull]], [[locationNull]], [[taskNull]], [[teamMemberNull]] |= See also | |||
}} | |||
<h3 style="display:none">Notes</h3> | |||
<dl class="command_description"> | |||
<!-- Note Section BEGIN --> | |||
<!-- Note Section END --> | |||
</dl> | |||
<h3 style="display:none">Bottom Section</h3> | |||
[[Category:Scripting Commands|ISNULLOBJ]] | |||
[[Category:Scripting Commands OFP 1.96|ISNULLOBJ]] | |||
[[Category:Scripting Commands OFP 1.46|ISNULLOBJ]] | |||
[[Category:Scripting Commands ArmA|ISNULLOBJ]] | |||
[[Category:Command_Group:_Object_Information|{{uc:{{PAGENAME}}}}]] | |||
[[Category:Command_Group:_Variables|{{uc:{{PAGENAME}}}}]] | |||
[[Category:Scripting Commands ArmA2|{{uc:{{PAGENAME}}}}]] | |||
[[Category:Scripting_Commands_Take_On_Helicopters|{{uc:{{PAGENAME}}}}]] | |||
Revision as of 00:22, 21 August 2012
Description
- Description:
- Checks whether the tested item is Null.
Which null type the item has to be equal to depends on the type of object tested:
- Objects -> objNull
- Controls -> controlNull
- Displays -> displayNull
- Groups -> grpNull
- Locations -> locationNull (since ARMA 2)
- Tasks -> taskNull (since ARMA 2)
- Team Members -> teamMemberNull (since ARMA 2)
- Groups:
- Uncategorised
Syntax
- Syntax:
- isNull obj
- Parameters:
- obj: Object, Control, Display, Group (or Location, Task, Team Member, since ARMA 2)
- Return Value:
- Boolean
Examples
- Example 1:
if (isNull obj) then {hint "doesn't exist"}
Additional Information
Notes
-
Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note
Notes
Bottom Section
Categories:
- Scripting Commands
- Introduced with Operation Flashpoint version 1.00
- Operation Flashpoint: New Scripting Commands
- Operation Flashpoint: Scripting Commands
- Command Group: Uncategorised
- Scripting Commands OFP 1.96
- Scripting Commands OFP 1.46
- Scripting Commands ArmA
- Command Group: Object Information
- Command Group: Variables
- Scripting Commands ArmA2
- Scripting Commands Take On Helicopters