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V22.2

ColumnViewOptionsFilter.FilterEditorAllowCustomExpressions Property

Gets or sets whether the Filter Editor allows you to display, create and edit custom expressions—expressions that cannot be converted to Filter Editor nodes.

Namespace: DevExpress.XtraGrid.Views.Base

Assembly: DevExpress.XtraGrid.v22.2.dll

NuGet Package: DevExpress.Win.Grid

Declaration

[DefaultValue(DefaultBoolean.Default)]
[XtraSerializableProperty]
public DefaultBoolean FilterEditorAllowCustomExpressions { get; set; }

Property Value

Type Default Description
DefaultBoolean Default

A value that specifies whether the Filter Editor allows you to display, create and edit custom expressions.

Available values:

Name Description Return Value
True

The value is true.

0

False

The value is false.

1

Default

The value is specified by a global option or a higher-level object.

2

Property Paths

You can access this nested property as listed below:

Object Type Path to FilterEditorAllowCustomExpressions
AdvBandedGridView
.OptionsFilter.FilterEditorAllowCustomExpressions
BandedGridView
.OptionsFilter.FilterEditorAllowCustomExpressions
ColumnView
.OptionsFilter.FilterEditorAllowCustomExpressions
CardView
.OptionsFilter.FilterEditorAllowCustomExpressions
GridView
.OptionsFilter.FilterEditorAllowCustomExpressions
ItemsView
.OptionsFilter.FilterEditorAllowCustomExpressions
LayoutView
.OptionsFilter.FilterEditorAllowCustomExpressions
TileView
.OptionsFilter.FilterEditorAllowCustomExpressions
WinExplorerView
.OptionsFilter.FilterEditorAllowCustomExpressions

Remarks

Individual filter expressions (for example, expressions that contain advanced or custom functions) cannot be converted to Filter Editor nodes. Below is an example:

[Sales Date] > AddDays(LocalDateTimeToday(), -25)

The AllowCustomExpressions property specifies whether and how the Filter Editor displays these expressions. The following options are available:

True

The Filter Editor displays custom expressions, and allows users to edit existing and create new custom expressions.

FilterControl-Custom Expressions

Users can create new custom expressions from a context menu.

FilterControl - Add Custom Expressions menu

Users can click the expression to open the Expression Editor, which allows them to edit the expression.

FilterControl-Custom Expressions-Expression Editor

Handle the ColumnView.FilterExpressionEditorCreated event to customize this Expression Editor.

Default
The Filter Editor displays custom expressions as simple text. A user cannot edit or create custom expressions. FilterControl-Custom Expressions-Default mode
False
The Filter Editor does not display custom expressions, and does not allow users to create new ones.
See Also