TreeListColumnCollection.Count Property

Gets the number of elements actually contained in the collection.

Namespace: DevExpress.XtraTreeList.Columns

Assembly: DevExpress.XtraTreeList.v23.2.dll

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

Declaration

C#

public int Count { get; }

VB.NET

Public ReadOnly Property Count As Integer

Property Value

Type	Description
Int32	An integer value that specifies the number of elements actually contained in the collection.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Count 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#

winforms-treelist-customize-node-menu/CS/Form1.cs#L21

new DevExpress.XtraTreeList.Design.XViews(treeList1);
for(int i = 1; i < treeList1.Columns.Count; i++)
    treeList1.Columns[i].Visible = false;

winforms-treelist-copy-nodes-to-another-treelist/CS/CopyNodesExample/MainForm.cs#L42

private TreeListNode CopyNode(TreeListNode sourceNode, TreeListNodes targetNodes) {
    int columnCount = sourceNode.TreeList.Columns.Count;
    object[] values = Enumerable.Range(0, columnCount).Select(x => sourceNode.GetValue(x)).ToArray();

winforms-dashboard-custom-items-extension/CS/CustomItemExtension/CustomItems/GanttItem/GanttItemControlProvider.cs#L118

for(int i = 0; i < gantt.Columns.Count; i++) {
    var column = gantt.Columns[i];

VB.NET

winforms-treelist-customize-node-menu/VB/Form1.vb#L22

Dim tmp_XViews = New Design.XViews(treeList1)
For i As Integer = 1 To treeList1.Columns.Count - 1
    treeList1.Columns(i).Visible = False

winforms-treelist-copy-nodes-to-another-treelist/VB/CopyNodesExample/MainForm.vb#L45

Private Function CopyNode(ByVal sourceNode As TreeListNode, ByVal targetNodes As TreeListNodes) As TreeListNode
    Dim columnCount = sourceNode.TreeList.Columns.Count
    Dim values As Object() = Enumerable.Range(0, columnCount).[Select](Function(x) sourceNode.GetValue(x)).ToArray()

winforms-dashboard-custom-items-extension/VB/CustomItemExtension/CustomItems/GanttItem/GanttItemControlProvider.vb#L118

For i As Integer = 0 To gantt.Columns.Count - 1
    Dim column = gantt.Columns(i)