InOperator.LeftOperand Property

Gets or sets the expression which is tested to see if it matches any value in the InOperator.Operands list.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.Data.v23.2.dll

NuGet Package: DevExpress.Data

Declaration

C#

public CriteriaOperator LeftOperand { get; set; }

VB.NET

Public Property LeftOperand As CriteriaOperator

Property Value

Type	Description
CriteriaOperator	A CriteriaOperator object which represents the expression to test.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the LeftOperand property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

XDL_how-to-delete-all-criteria-corresponding-to-a-particular-field-from-criteriaoperator-e3396/CS/PatchCriteriaExample/Filtering/CriteriaPatcherSkipProperties.cs#L57

var result = (InOperator)base.Visit(theOperator);
if(IsNull(result.LeftOperand)) return null;
if(object.ReferenceEquals(theOperator.Operands, result.Operands)) return theOperator;

wpf-data-grid-filter-columns-bound-to-collection-properties/CS/FilterDropDown_AgregateOperators/Behaviors/InToAggregatePatcher.cs#L16

var result = (InOperator)base.Visit(theOperator);
var property = result.LeftOperand as OperandProperty;
if (property?.PropertyName == FieldName && result.Operands.All(c => c is OperandValue)) {

VB.NET

XDL_how-to-delete-all-criteria-corresponding-to-a-particular-field-from-criteriaoperator-e3396/VB/PatchCriteriaExample/Filtering/CriteriaPatcherSkipProperties.vb#L77

Dim result = CType(MyBase.Visit(theOperator), InOperator)
If IsNothing(result.LeftOperand) Then
    Return Nothing

wpf-data-grid-filter-columns-bound-to-collection-properties/VB/FilterDropDown_AgregateOperators/Behaviors/InToAggregatePatcher.vb#L20

Dim result = CType(MyBase.Visit(theOperator), InOperator)
Dim [property] = TryCast(result.LeftOperand, OperandProperty)
If Equals([property]?.PropertyName, FieldName) AndAlso result.Operands.All(Function(c) TypeOf c Is OperandValue) Then