| Class | Description | |
|---|---|---|
 | BeforeTooltipShowEventArgs | Provides data for the BeforeTooltipShow event of the C1DataFilter control. |
| BoolFilterBase | Base class represents a filter with checkbox. |
| CalendarFilterBase | Base class represents a filter of dates with calendar. |
| CalendarSettings | Represents a settings of filter calendar. |
| ChecklistFilterBase | Base class represents a filter with checklist. |
| ChecklistItem | Represents a item of checklist. |
| ChecklistItemsCollection | Represents a collection of the ChecklistItem. |
| CombinationExpression | Represents the logical combination of several OperationExpression. |
| DateRangeFilterBase | Base class represents a filter of dates with range slider or editors of range. |
| Expression | Base class for filter expression condition. |
| Filter | Base class represents filter of the C1DataFilter control. |
| FilterAutoGeneratingEventArgs | Provides data for the FilterAutoGenerating event of a C1DataFilter control. |
| FilterChangedEventArgs | Provides data for the FilterChanged event of a C1DataFilter control. |
| FilterCollection | Represents a collection of the filters. |
| FilterSummary | Represents the summary of Filter. |
| FilterWithSummary | Represents filter of the C1DataFilter control with summaries. |
| ItemPropertyChangedEventArgs | Provides data for the ChecklistItem.PropertyChanged event of a ChecklistItem class. |
| ObservableCollectionBase<T> | Represents a collection with the CollectionResetting event. |
| OperationExpression | Represents the filter operation expression. |
| PredicateExpression | Represents the expression which takes a predicate as the filtering function. |
| RangeFilterBase | Base class represents a filter with range slider or editors of range. |
| ValueChangedEventArgs | Provides data for the Filter.ValueChanged event of a Filter class. |
