FilterControl.AllowCustomExpressions Property

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

Namespace: DevExpress.XtraEditors

Assembly: DevExpress.XtraEditors.v21.1.dll

NuGet Packages: DevExpress.Win.Design, DevExpress.Win.Navigation

Declaration

C#

[DefaultValue(DefaultBoolean.Default)]
[DXCategory("Appearance")]
public DefaultBoolean AllowCustomExpressions { get; set; }

VB.NET

<DXCategory("Appearance")>
<DefaultValue(DefaultBoolean.Default)>
Public Property AllowCustomExpressions As DefaultBoolean

Property Value

Type	Default	Description
DefaultBoolean	**Default**	A value that specifies whether the Filter Control allows you to display, create and edit custom expressions.

Available values:

Name	Description
True	Corresponds to a Boolean value of true.
False	Corresponds to a Boolean value of false.
Default	The default behavior determined by the control’s logic.

Remarks

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

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

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

• True — Filter Control displays custom expressions, and allows users to edit existing and create new custom expressions.

  

  Users can create new custom expressions from a context menu.

  

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

  

• Default — Filter Control displays custom expressions as simple text. A user cannot edit or create custom expressions.

• False — Filter Control does not display custom expressions, and does not allow users to create new ones.