TreeList.ExpandAll() Method

Expands all Tree List nodes.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v19.2.dll

Declaration

C#

public virtual void ExpandAll()

VB.NET

Public Overridable Sub ExpandAll

Remarks

To expand all the child nodes that belong to a specific node, call the TreeListNode.ExpandAll method. You can also change the TreeListNode.Expanded property to manually expand and collapse rows.

To collapse all Tree List nodes call the TreeList.CollapseAll method.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the ExpandAll() method.

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-save-checkstate-for-treelistnode-in-a-bound-mode-e3376/CS/SaveCheckStateTreeListNode/frmMain.cs#L27

    btnReset.Text = setupTxt;
treeList1.ExpandAll();
new SaveCheckHelper(treeList1, nameCheckColumn);

word-document-api-examples/CS/Form1.cs#L48

    ShowFirstExample();
    treeList1.ExpandAll();
}

Reporting_how-to-embed-treelist-control-to-a-report-at-runtime-e3239/CS/Reports/TreeReport.cs#L42

treeList.DataSource = dt;
treeList.ExpandAll();
treeList.ForceInitialize();

how-to-add-a-find-panel-similar-to-the-one-provided-by-gridcontrol-to-treelist-e2877/CS/WindowsApplication3/Main.cs#L27

    provider.ShowFindPanel();
    treeList.ExpandAll();
}

spreadsheet-document-api-examples-part2/CS/SpreadsheetDocServerAPIPart2/Form1.cs#L110

    treeList.DataSource = new Object();
    treeList.ExpandAll();
}

VB.NET

how-to-save-checkstate-for-treelistnode-in-a-bound-mode-e3376/VB/SaveCheckStateTreeListNode/frmMain.vb#L27

End If
treeList1.ExpandAll()
Dim TempSaveCheckHelper As SaveCheckHelper = New SaveCheckHelper(treeList1, nameCheckColumn)

word-document-api-examples/VB/Form1.vb#L47

    ShowFirstExample()
    treeList1.ExpandAll()
End Sub

Reporting_how-to-embed-treelist-control-to-a-report-at-runtime-e3239/VB/Reports/TreeReport.vb#L44

treeList.DataSource = dt
treeList.ExpandAll()
treeList.ForceInitialize()

how-to-add-a-find-panel-similar-to-the-one-provided-by-gridcontrol-to-treelist-e2877/VB/WindowsApplication3/Main.vb#L29

    provider.ShowFindPanel()
    treeList.ExpandAll()
End Sub

spreadsheet-document-api-examples-part2/VB/SpreadsheetDocServerAPIPart2/Form1.vb#L104

    treeList.DataSource = New Object()
    treeList.ExpandAll()
End Sub