program development

Introduction to ios development of IBAction and IBOutlet

From the perspective of return values, IBAction acts like void. Only methods whose return values are declared as IBAction can match stor […]

8 January, 20192135 Reading1 minute to read
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IBAction
From the perspective of return value, the effect is equivalent to void
Only methods whose return value is declared as IBAction can be connected to controls in storyboard

IBOutlet
Only properties declared as IBOtlet can be connected to controls in storyboard