Title: Theory / Important / CS / Programming / Objective-C / Library / UIKit / Control / Action
On every note of this deck, unless a note says otherwise:
Page: https://developer.apple.com/documentation/uikit/uicontrol/1618245-state?language=objc

Name: Target action mechanism
Definition: UI mechanism that list to control-specific event
Page: https://developer.apple.com/documentation/uikit/uicontrol?language=objc
Typ: UIControl

Variable: control.allTargets
Meaning: all target objects associated with the control.
Page: https://developer.apple.com/documentation/uikit/uicontrol/1618245-state?language=objc
Language: Objective-C
Typ: UIControlEvents
Variables: UIControl control

Instruction: [control
  sendAction:action
]
Effect: ?
Language: Objective-C
Variables: UIControl control

Instruction: [control
  removeAction:actionIdentifier
  forControlEvents:controlEvents
]
Effect: ?
Language: Objective-C
Variables: UIControl control

Instruction: [control
  addAction:action
  forControlEvents:controlEvents
]
Effect: ?
Language: Objective-C
Variables: UIControl control

Instruction: [control
  sendActionsForControlEvents:controlEvents
]
Effect: Calls the action methods associated with the specified events.
Language: Objective-C
Variables: UIControl control

Instruction: [control
  sendActions:action
  to:target
  forlEvents:event
]
Effect: Calls the specified action method.
Language: Objective-C
Variables: UIControl control

Instruction: [control
  actionsForTarget:target
  forControlEvent:controlEvent
]
Language: Objective-C
Returns: the actions performed on a target object when the specified event occurs.
Variables: UIControl control

Instruction: [control
  removeTarget:target
  action:action
  forControlEvents:controlEvents
]
Effect: Stops the delivery of events to the specified target object
Language: Objective-C
Variables: UIControl control

Instruction: [control
  addTarget:target
  action:action
  forControlEvents:controlEvents
]
Effect: tAssociates target object and action method with the control.
Language: Objective-C
Variables: UIControl control