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V19.1

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Common Tools

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Assembly Deployment Tool
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Desktop

Controls

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WPF
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Tools

WinForms Skin Editor
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Controls and Extensions

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19.1
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Controls for Xamarin.Forms
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Xamarin.Forms API Reference
DevExpress.Data
DevExpress.Data.Filtering
Aggregate
AggregateOperand
BetweenOperator
BinaryOperator
BinaryOperatorType
ConstantValue
ContainsOperator
CriteriaOperator
CriteriaOperatorCollection
CustomFunctionCollection
EnumProcessingHelper
FunctionCategory
FunctionOperator
FunctionOperatorType
GroupOperator
GroupOperatorType
IClientCriteriaVisitor
IClientCriteriaVisitor<T>
ICriteriaVisitor
ICriteriaVisitor<T>
ICustomFunctionOperator
ICustomFunctionOperatorBrowsable
InOperator
NotOperator
NullOperator
Members
Constructors
NullValue
OperandParameter
OperandProperty
OperandValue
UnaryOperator
UnaryOperatorType
UserValueProcessingEventArgs
DevExpress.Utils
DevExpress.XamarinForms.Charts
DevExpress.XamarinForms.Core.Themes
DevExpress.XamarinForms.DataGrid
DevExpress.XamarinForms.Navigation
DevExpress.XamarinForms.Scheduler
Android API Reference
iOS API Reference
Xamarin.Android API Reference
Xamarin.iOS API Reference

NullOperator Class

The operator that compares a value with null.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.XamarinForms.Core.dll

Declaration

[Serializable]
public sealed class NullOperator :
    UnaryOperator

Inheritance

Object
CriteriaOperator
UnaryOperator
NullOperator

Implements

DevExpress.Compatibility.System.ICloneable
See Also