Gets or sets whether the user can enter nulls values.

Namespace: C1.Phone
Assembly: C1.Phone (in C1.Phone.dll)
XMLNS for XAML: Not mapped to an xmlns.

Syntax

C#
public bool AllowNull { get; set; }

Visual Basic
Public Property AllowNull As Boolean Get Set

XAML Attribute Usage
<object AllowNull="bool" .../>

Remarks

Null values are encoded in the Value property as double.NaN.