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   [Collapse]FilterControl Class
     FilterControl Members
     FilterControl Constructor
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 End-User Documentation

FilterControl Class

Represents a Filter Control.

Namespace:DevExpress.Xpf.Editors.Filtering
Assembly:DevExpress.Xpf.Core.v17.2.dll

Expanded Syntax

Expanded Remarks

The FilterControl is a visual control that allows end-users to construct complex filter criteria, and apply them to controls or to a data source:

The FilterControl can control data filtering for the DXGrid control via the DataControlBase.FilteredComponent property, a System.Data.DataTable component, and any object which implements the DevExpress.Xpf.Editors.Filtering.IFilteredComponent interface. To specify the object to which the FilterControl will supply filter criteria, use the SourceControl property.

Note

Note that although the DXGrid control provides an embedded Filter Editor, you can still use a separate FilterControl, with the DXGrid control to provide standalone filter editing.

After a source control has been assigned to the FilterControl via the SourceControl property, the filter columns and editors used to edit operand values are automatically retrieved from the source control. Filter columns are stored within the FilterColumns collection.

The filter expression built via the FilterControl can be obtained via the FilterCriteria property. This property can also be used to specify filter criteria in code.

To apply a filter created in the FilterControl to the grid control using the ApplyFilter method, use binding for the FilterCriteria property, as shown in the code snippet below.

Changes made to the source control's filter criteria are automatically tracked by the FilterControl. Each time the source control's filtering settings are modified by a user or in code, the FilterControl automatically reflects the changes. Note that filter criteria built via the FilterControl are not automatically applied to the bound source control. To apply the current filter criteria to the source control, use the ApplyFilter method.

The FilterControl can be used in unbound mode, when it's not bound to any source control (the SourceControl property is set to null). In this mode, specific columns must be added to the FilterColumns collection manually. An end-user will be able to construct filter criteria using these columns. To get the current filter criteria, use the FilterCriteria property.

Note

A FilterControl is not intended to be used in Windows Forms hosted applications.

Expanded Inheritance Hierarchy

System.Object
    System.Windows.Threading.DispatcherObject
       System.Windows.DependencyObject
          System.Windows.Media.Visual
             System.Windows.UIElement
                System.Windows.FrameworkElement
                   System.Windows.Controls.Control
                      FilterControl

Expanded See Also

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