How to detect the event click button in class A and the click is implemented in Class B

Question

Hello

i have class A and class B and class data

Class B
{
  data Data
  Public B( data thedata) 
{
   this.Data = thedata
}
//btn is a button
 btn.Click += (o, e) =>
            {
               Data.idKey = Convert.ToInt32(btn.Tag);
            };
}

Class A

How to inform to Class A that button in class B was clicked ?

Thanks

Answer 1

Hello,

In Xamarin, for cross-class message notifications, Xamarin officially provides the MessageCenter API to achieve this requirement.

Please refer to the official documentation and examples below:

• Xamarin.Forms MessagingCenter.
• UsingMessagingCenter.

Best Regards,

Alec Liu.

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