Skip to main content

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

TreeList.ExpandToLevel(Int32) Method

Expands nodes up to the specified level.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v24.2.dll

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

#Declaration

public virtual void ExpandToLevel(
    int level
)

#Parameters

Name Type Description
level Int32

An Int32 value that specifies the level up to which nodes should be expanded (0 corresponds to root nodes).

#Remarks

Use the methods below to expand and collapse tree list nodes.

The control’s BeforeExpand, AfterExpand, BeforeCollapse, and AfterCollapse events fire during expand and collapse operations. For example, you can handle the BeforeExpand event to dynamically create child nodes in unbound mode.

See Also