BindableProperty.CreateAttached BindableProperty.CreateAttached Method

Definition

Overloads

CreateAttached(String, Type, Type, Object, BindingMode, BindableProperty+ValidateValueDelegate, BindableProperty+BindingPropertyChangedDelegate, BindableProperty+BindingPropertyChangingDelegate, BindableProperty+CoerceValueDelegate, BindableProperty+CreateDefaultValueDelegate) CreateAttached(String, Type, Type, Object, BindingMode, BindableProperty+ValidateValueDelegate, BindableProperty+BindingPropertyChangedDelegate, BindableProperty+BindingPropertyChangingDelegate, BindableProperty+CoerceValueDelegate, BindableProperty+CreateDefaultValueDelegate)

Creates a new instance of the BindableProperty class for an attached property.

CreateAttached<TDeclarer,TPropertyType>(Expression<Func<BindableObject,TPropertyType>>, TPropertyType, BindingMode, BindableProperty, BindableProperty, BindableProperty, BindableProperty, BindableProperty) CreateAttached<TDeclarer,TPropertyType>(Expression<Func<BindableObject,TPropertyType>>, TPropertyType, BindingMode, BindableProperty, BindableProperty, BindableProperty, BindableProperty, BindableProperty)

Deprecated. Do not use.

CreateAttached(String, Type, Type, Object, BindingMode, BindableProperty+ValidateValueDelegate, BindableProperty+BindingPropertyChangedDelegate, BindableProperty+BindingPropertyChangingDelegate, BindableProperty+CoerceValueDelegate, BindableProperty+CreateDefaultValueDelegate) CreateAttached(String, Type, Type, Object, BindingMode, BindableProperty+ValidateValueDelegate, BindableProperty+BindingPropertyChangedDelegate, BindableProperty+BindingPropertyChangingDelegate, BindableProperty+CoerceValueDelegate, BindableProperty+CreateDefaultValueDelegate)

Creates a new instance of the BindableProperty class for an attached property.

public static Xamarin.Forms.BindableProperty CreateAttached (string propertyName, Type returnType, Type declaringType, object defaultValue, Xamarin.Forms.BindingMode defaultBindingMode = Xamarin.Forms.BindingMode.OneWay, Xamarin.Forms.BindableProperty.ValidateValueDelegate validateValue = null, Xamarin.Forms.BindableProperty.BindingPropertyChangedDelegate propertyChanged = null, Xamarin.Forms.BindableProperty.BindingPropertyChangingDelegate propertyChanging = null, Xamarin.Forms.BindableProperty.CoerceValueDelegate coerceValue = null, Xamarin.Forms.BindableProperty.CreateDefaultValueDelegate defaultValueCreator = null);
static member CreateAttached : string * Type * Type * obj * Xamarin.Forms.BindingMode * Xamarin.Forms.BindableProperty.ValidateValueDelegate * Xamarin.Forms.BindableProperty.BindingPropertyChangedDelegate * Xamarin.Forms.BindableProperty.BindingPropertyChangingDelegate * Xamarin.Forms.BindableProperty.CoerceValueDelegate * Xamarin.Forms.BindableProperty.CreateDefaultValueDelegate -> Xamarin.Forms.BindableProperty
Parameters
propertyName
String String

The name of the BindableProperty.

returnType
Type Type

The type of the property.

declaringType
Type Type

The type of the declaring object.

defaultValue
Object Object

The default value for the property.

defaultBindingMode
BindingMode BindingMode

The BindingMode to use on SetBinding() if no BindingMode is given. This parameter is optional. Default is BindingMode.OneWay.

validateValue

A delegate to be run when a value is set. This parameter is optional. Default is null.

propertyChanged

A delegate to be run when the value has changed. This parameter is optional. Default is null.

propertyChanging

A delegate to be run when the value will change. This parameter is optional. Default is null.

coerceValue

A delegate used to coerce the range of a value. This parameter is optional. Default is null.

defaultValueCreator

A Func used to initialize default value for reference types..

Returns

A newly created attached BindableProperty.

CreateAttached<TDeclarer,TPropertyType>(Expression<Func<BindableObject,TPropertyType>>, TPropertyType, BindingMode, BindableProperty, BindableProperty, BindableProperty, BindableProperty, BindableProperty) CreateAttached<TDeclarer,TPropertyType>(Expression<Func<BindableObject,TPropertyType>>, TPropertyType, BindingMode, BindableProperty, BindableProperty, BindableProperty, BindableProperty, BindableProperty)

Warning

This API is now obsolete.

Deprecated. Do not use.

[System.Obsolete("CreateAttached<> (generic) is obsolete as of version 2.1.0 and is no longer supported.")]
public static Xamarin.Forms.BindableProperty CreateAttached<TDeclarer,TPropertyType> (System.Linq.Expressions.Expression<Func<Xamarin.Forms.BindableObject,TPropertyType>> staticgetter, TPropertyType defaultValue, Xamarin.Forms.BindingMode defaultBindingMode = Xamarin.Forms.BindingMode.OneWay, Xamarin.Forms.BindableProperty.ValidateValueDelegate<TPropertyType> validateValue = null, Xamarin.Forms.BindableProperty.BindingPropertyChangedDelegate<TPropertyType> propertyChanged = null, Xamarin.Forms.BindableProperty.BindingPropertyChangingDelegate<TPropertyType> propertyChanging = null, Xamarin.Forms.BindableProperty.CoerceValueDelegate<TPropertyType> coerceValue = null, Xamarin.Forms.BindableProperty.CreateDefaultValueDelegate<Xamarin.Forms.BindableObject,TPropertyType> defaultValueCreator = null);
static member CreateAttached : System.Linq.Expressions.Expression<Func<Xamarin.Forms.BindableObject, 'PropertyType>> * 'PropertyType * Xamarin.Forms.BindingMode * Xamarin.Forms.BindableProperty.ValidateValueDelegate<'PropertyType> * Xamarin.Forms.BindableProperty.BindingPropertyChangedDelegate<'PropertyType> * Xamarin.Forms.BindableProperty.BindingPropertyChangingDelegate<'PropertyType> * Xamarin.Forms.BindableProperty.CoerceValueDelegate<'PropertyType> * Xamarin.Forms.BindableProperty.CreateDefaultValueDelegate<Xamarin.Forms.BindableObject, 'PropertyType> -> Xamarin.Forms.BindableProperty
Type Parameters
TDeclarer

The type of the declaring object.

TPropertyType

The type of the property.

Parameters
staticgetter
Expression<Func<BindableObject,TPropertyType>>

An expression identifying a static method returning the value of the property using this BindableProperty as backing store.

defaultValue

Default value for the BindableProperty.

defaultBindingMode
BindingMode BindingMode

The BindingMode to use on SetBinding() if no BindingMode is given. This parameter is optional. Default is BindingMode.OneWay.

validateValue
BindableProperty.ValidateValueDelegate<TPropertyType>

A delegate to be run when a value is set. This parameter is optional. Default is null.

propertyChanged
BindableProperty.BindingPropertyChangedDelegate<TPropertyType>

A delegate to be run when the value has changed. This parameter is optional. Default is null.

propertyChanging
BindableProperty.BindingPropertyChangingDelegate<TPropertyType>

A delegate to be run when the value will change. This parameter is optional. Default is null.

coerceValue
BindableProperty.CoerceValueDelegate<TPropertyType>

A delegate used to coerce the range of a value. This parameter is optional. Default is null.

defaultValueCreator
BindableProperty.CreateDefaultValueDelegate<BindableObject,TPropertyType>

A Func used to initialize default value for reference types..

Returns

A newly created BindableProperty.

Remarks

Attached properties are bindable properties that are bound to an object other than their parent. Often, they are used for child items in tables and grids, where data about the location of an item is maintained by its parent, but must be accessed from the child item itself.

Applies to