controlNull: Difference between revisions

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m (Text replacement - "\| *\[\[([a-zA-Z0-9_]+)\]\] * \|r1=" to "|s1= $1 |r1=")
m (Text replacement - "<sqf>([^↵][^<]*↵[^<]*)<\/sqf>" to "<sqf> $1 </sqf>")
 
(31 intermediate revisions by 2 users not shown)
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{{RV|type=command
{{RV|type=command


| arma1
|game1= arma1
|1.00
|version1= 1.00


|game2= arma2
|game2= arma2
Line 18: Line 18:
|gr1= GUI Control
|gr1= GUI Control


| A non-existing [[Control]]. To compare non-existent objects use [[isNull]] or [[isEqualTo]] (see examples).
|descr= A non-existing [[Control]]. To compare non-existent objects use [[isNull]] or [[isEqualTo]] (see examples).


|s1= [[controlNull]]
|s1= [[controlNull]]
Line 24: Line 24:
|r1= [[Control]]
|r1= [[Control]]


|x1= <code>[[if]] (_myCtrl [[isEqualTo]] [[controllNull]]) [[then]] { [[hint]] "_myCtrl is null!"; };</code>
|x1= <sqf>if (_myCtrl isEqualTo controlNull) then { hint "_myCtrl is null!"; };</sqf>


|x2= <code>[[controlNull]] == [[controlNull]]; {{cc|returns [[false]]}}
|x2= <sqf>
[[isNull]] [[controlNull]]; {{cc|returns [[true]]}}
controlNull == controlNull; // returns false
[[controlNull]] [[isEqualTo]] [[controlNull]]; {{cc|returns [[true]]}}</code>
isNull controlNull; // returns true
controlNull isEqualTo controlNull; // returns true
</sqf>


|x3= <code>[[str]] [[controlNull]]; {{cc|No control}}</code>
|x3= <sqf>str controlNull; // No control</sqf>


|seealso= [[displayNull]], [[grpNull]], [[locationNull]], [[objNull]], [[taskNull]], [[teamMemberNull]], [[scriptNull]], [[configNull]], [[typeName]], [[isNull]]
|seealso= [[displayNull]] [[grpNull]] [[locationNull]] [[objNull]] [[taskNull]] [[teamMemberNull]] [[scriptNull]] [[configNull]] [[typeName]] [[isNull]]
}}
}}
{{GameCategory|arma2|Scripting Commands}}
{{GameCategory|arma3|Scripting Commands}}
{{GameCategory|tkoh|Scripting Commands}}

Latest revision as of 19:43, 3 September 2024

Logo A1 black.png1.00Logo A2.png1.00A2 OA Logo.png1.50tkoh logo small.png1.00Arma 3 logo black.png0.50
Hover & click on the images for description

Description

Description:
A non-existing Control. To compare non-existent objects use isNull or isEqualTo (see examples).
Groups:
GUI Control

Syntax

Syntax:
controlNull
Return Value:
Control

Examples

Example 1:
if (_myCtrl isEqualTo controlNull) then { hint "_myCtrl is null!"; };
Example 2:
controlNull == controlNull; // returns false isNull controlNull; // returns true controlNull isEqualTo controlNull; // returns true
Example 3:
str controlNull; // No control

Additional Information

See also:
displayNull grpNull locationNull objNull taskNull teamMemberNull scriptNull configNull typeName isNull

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
Retrieved from "https://community.bistudio.com/wiki?title=controlNull&oldid=369405"