TreeListOptionsView.ShowPreview Property

Gets or sets whether preview sections are displayed.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v20.2.dll

NuGet Package: DevExpress.Win.TreeList

Declaration

C#

[DefaultValue(false)]
[XtraSerializableProperty]
public virtual bool ShowPreview { get; set; }

VB.NET

<DefaultValue(False)>
<XtraSerializableProperty>
Public Overridable Property ShowPreview As Boolean

Property Value

Type	Default	Description
Boolean	**false**	true, to display preview sections; otherwise, false.

Property Paths

You can access this nested property as listed below:

Library	Object Type	Path to ShowPreview
WinForms Controls	GanttControl	.OptionsView .ShowPreview
	ResourcesTree	.OptionsView .ShowPreview
	TreeList	.OptionsView .ShowPreview
Reporting	XRDesignFieldList	.OptionsView .ShowPreview
	XRDesignReportExplorer	.OptionsView .ShowPreview

Remarks

Preview sections are forcibly hidden if TreeListOptionsView.ShowHierarchyIndentationLines is False and a hierarchy column is visible (see TreeList.HierarchyColumn/TreeList.HierarchyFieldName).

For more information on displaying and customizing preview sections, see Preview Sections.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ShowPreview property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-create-custom-treelist-control-which-implements-a-web-style-comment-system-e3520/CS/TestMyTreeListForum/MyTreeList.cs#L28

this.OptionsView.ShowColumns = false;
this.OptionsView.ShowPreview = true;
this.OptionsView.ShowIndicator = false;

VB.NET

how-to-create-custom-treelist-control-which-implements-a-web-style-comment-system-e3520/VB/TestMyTreeListForum/MyTreeList.vb#L27

Me.OptionsView.ShowColumns = False
Me.OptionsView.ShowPreview = True
Me.OptionsView.ShowIndicator = False