共用方式為

BindableProperty.BindingPropertyChangingDelegate<TPropertyType> Delegate

  • Reference

Definition

Namespace:
Microsoft.Maui.Controls
Assembly:
Microsoft.Maui.Controls.dll
Source:
BindableProperty.cs
Source:
BindableProperty.cs
public delegate void BindableProperty.BindingPropertyChangingDelegate<in TPropertyType>(BindableObject bindable, TPropertyType oldValue, TPropertyType newValue);
type BindableProperty.BindingPropertyChangingDelegate<'PropertyType> = delegate of BindableObject * 'PropertyType * 'PropertyType -> unit
Public Delegate Sub BindableProperty.BindingPropertyChangingDelegate(Of In TPropertyType)(bindable As BindableObject, oldValue As TPropertyType, newValue As TPropertyType)

Type Parameters

TPropertyType
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
oldValue
TPropertyType
newValue
TPropertyType

Applies to