BindableExtensions.DefaultIfNull<T, TValue> Method (BindableBinding<T, TValue>, TValue)

Gets a binding that returns a defaultValue if the specified binding returns a null value.

Namespace: Eto.Forms
Assembly: Eto (in Eto.dll) Version: 2.5.3-dev

Syntax

public static BindableBinding<T, TValue> DefaultIfNull<T, TValue>(
	this BindableBinding<T, TValue> binding,
	TValue defaultValue
)
where T : IBindable
where TValue : class

<ExtensionAttribute>
Public Shared Function DefaultIfNull(Of T As IBindable, TValue As Class) ( 
	binding As BindableBinding(Of T, TValue),
	defaultValue As TValue
) As BindableBinding(Of T, TValue)

[<ExtensionAttribute>]
static member DefaultIfNull : 
        binding : BindableBinding<'T, 'TValue> * 
        defaultValue : 'TValue -> BindableBinding<'T, 'TValue>  when 'T : IBindable when 'TValue : not struct

Parameters

binding: Type: Eto.Forms.BindableBinding<T, TValue>
Source of the binding to get the value.
defaultValue: Type: TValue
Default value to return instead of null.

Type Parameters

T: The type of the bindable object.
TValue: The value type.

Return Value

Type: BindableBinding<T, TValue>
A new binding that returns a non-null value.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type BindableBinding<T, TValue>. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Reference

BindableExtensions Class

DefaultIfNull Overload

Eto.Forms Namespace