{"name":"controlNull","operator":null,"title":"controlNull","type":"command","url":"https://community.bistudio.com/wiki/controlNull","revid":369405,"updated":"2024-09-03T18:43:23Z","groups":["GUI Control"],"status":"ok","replaced_by":[],"games":[{"game":"arma1","name":"Armed Assault","version":"1.00"},{"game":"arma2","name":"Arma 2","version":"1.00"},{"game":"arma2oa","name":"Arma 2: Operation Arrowhead","version":"1.50"},{"game":"tkoh","name":"Take On Helicopters","version":"1.00"},{"game":"arma3","name":"Arma 3","version":"0.50"}],"since":{"game":"arma1","name":"Armed Assault","version":"1.00"},"arma3_since":"0.50","branch":null,"locality":{"argument":null,"effect":null,"server_exec":false},"exec":null,"description":"A non-existing Control. To compare non-existent objects use isNull or isEqualTo (see examples).","syntaxes":[{"syntax":"controlNull","since":null,"effect":null,"exec":null,"params":[],"returns":{"type":"Control","types":["Control"],"description":null,"text":"Control"},"form":"nullary","operator":null,"left":null,"right":null}],"examples":[{"text":"```sqf\nif (_myCtrl isEqualTo controlNull) then { hint \"_myCtrl is null!\"; };\n```","code":["if (_myCtrl isEqualTo controlNull) then { hint \"_myCtrl is null!\"; };"]},{"text":"```sqf\ncontrolNull == controlNull;            // returns false\nisNull controlNull;                        // returns true\ncontrolNull isEqualTo controlNull;        // returns true\n```","code":["controlNull == controlNull;\t\t\t// returns false\nisNull controlNull;\t\t\t\t\t\t// returns true\ncontrolNull isEqualTo controlNull;\t\t// returns true"]},{"text":"```sqf\nstr controlNull; // No control\n```","code":["str controlNull; // No control"]}],"multiplayer":null,"problems":null,"aliases":[],"see_also":["displayNull","grpNull","locationNull","objNull","taskNull","teamMemberNull","scriptNull","configNull","typeName","isNull"],"notes":[],"categories":["ArmA: Armed Assault: New Scripting Commands","ArmA: Armed Assault: Scripting Commands","Arma 2: Operation Arrowhead: Scripting Commands","Arma 2: Scripting Commands","Arma 3: Scripting Commands","Command Group: GUI Control","Introduced with Armed Assault version 1.00","Scripting Commands","Take On Helicopters: Scripting Commands"]}