FilterDescriptor
Represents a filter condition that can be applied to a data field for filtering operations.
Definition
Namespace:Telerik.WinControls.Data
Assembly:Telerik.WinControls.dll
Syntax:
public class FilterDescriptor : INotifyPropertyChanged, INotifyPropertyChangingEx, ICloneableInheritance: objectFilterDescriptor
Derived Classes:
Implements:
Constructors
public FilterDescriptor()public FilterDescriptor(string propertyName, FilterOperator filterOperator, object value)Properties
Gets the filter expression.
[Browsable(true)]
public virtual string Expression { get; }The filter expression.
Gets a value indicating whether this instance is default filter descriptor of the column
[Browsable(true)]
public virtual bool IsFilterEditor { get; set; }true if this instance is default; otherwise, false.
Gets or sets the operator.
[Browsable(true)]
public virtual FilterOperator Operator { get; set; }The operator.
Gets or sets the name of the property.
[Browsable(true)]
public virtual string PropertyName { get; set; }The name of the property.
Methods
Creates a copy of the current FilterDescriptor instance.
public virtual object Clone()A new instance of FilterDescriptor that is a copy of the current instance.
Implements:
Retrieves the filtering expression based on the specified filter descriptor and a function used to format the value.
public static string GetExpression(FilterDescriptor filterDescriptor, Function<FilterDescriptor, object> formatValue)The filter descriptor used to create the filtering expression.
formatValueFunction<FilterDescriptor, object>A function that takes a filter descriptor and returns an object to be used in the expression.
Returns:A filtering expression that represents the criteria defined by the filter descriptor.
Gets the expression.
public static string GetExpression(FilterDescriptor filterDescriptor)The filter descriptor.
Returns:Raises the PropertyChanged event
protected virtual void OnPropertyChanged(PropertyChangedEventArgs e)A PropertyChangedEventArgs instance containing event data.
Raises the PropertyChanged event
protected void OnPropertyChanged(string propertyName)The name of the property
protected virtual void OnPropertyChanging(PropertyChangingEventArgsEx e)Events
public event PropertyChangedEventHandler PropertyChangedImplements:
Occurs when a property value is changing.
public event PropertyChangingEventHandlerEx PropertyChangingImplements: