TreeListOptionsView.AutoCalcPreviewLineCount Property

Gets or sets whether the Tree List automatically calculates the number of text lines in preview sections depending upon their contents.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v19.1.dll

Declaration

C#

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

VB.NET

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

Property Value

Type	Default	Description
Boolean	**false**	true, if the Tree List automatically calculates the preview sections height; otherwise, false.

Property Paths

You can access this nested property as listed below:

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

Remarks

Set the AutoCalcPreviewLineCount property to true to enable automatic preview section height calculation. In this case, different preview sections may have different heights as shown in the image below:

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the AutoCalcPreviewLineCount 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#L26

{
    this.OptionsView.AutoCalcPreviewLineCount = true;
    this.OptionsView.ShowColumns = false;

VB.NET

how-to-create-custom-treelist-control-which-implements-a-web-style-comment-system-e3520/VB/TestMyTreeListForum/MyTreeList.vb#L25

MyBase.New(Nothing)
Me.OptionsView.AutoCalcPreviewLineCount = True
Me.OptionsView.ShowColumns = False