BindableProperty.BindingPropertyChangingDelegate<TPropertyType> Delegate

Definition

Strongly-typed delegate for BindableProperty.PropertyChanging.

public delegate void BindableProperty.BindingPropertyChangingDelegate<in TPropertyType>(BindableObject bindable, TPropertyType oldValue, TPropertyType newValue);
type BindableProperty.BindingPropertyChangingDelegate<'PropertyType> = delegate of BindableObject * 'PropertyType * 'PropertyType -> unit

Type Parameters

TPropertyType

The type of the bound property.

This type parameter is contravariant. That is, you can use either the type you specified or any type that is less derived. For more information about covariance and contravariance, see Covariance and Contravariance in Generics.

Parameters

bindable
BindableObject

The bindable object that contains the property.

oldValue
TPropertyType

The old property value.

newValue
TPropertyType

The new property value.

Applies to