Xamarin.Forms.Button.OnPropertyChanging Method
Call this method from a child class to notify that a change happened on a property.

Syntax

protected override void OnPropertyChanging (string propertyName)

Parameters

propertyName
The name of the changed property.

Remarks

A Button triggers this by itself. An inheritor only need to call this for properties without BindableProperty as backend store.

Requirements

Namespace: Xamarin.Forms
Assembly: Xamarin.Forms.Core (in Xamarin.Forms.Core.dll)
Assembly Versions: 1.0.0.0, 1.1.0.0, 1.2.0.0, 1.3.0.0