How to sort WinForms MultiColumnTreeView based on the ColumnIndex?
Sorting
In WinForms MultiColumnTreeView, Nodes can be sorted in ascending or descending order by using its function named Sort.
C#
//Pass the column index and root of the MultiColumnTreeView
SortNodesByColumn(this.multiColumnTreeView1.Root, 1);
//To Sort the MultiColumnTreeView based on the Column index
private void SortNodesByColumn(TreeNodeAdv ParentNode, int ColumnIndex)
{
foreach (TreeNodeAdv node in ParentNode.Nodes)
{
if (node.HasNodes)
{
SortNodesByColumn(node, 1);
}
node.Nodes.Sort(new SortBySubItems(this.multiColumnTreeView1, ColumnIndex,this.CheckBox1.Checked));
}
}
VB
'Pass the column index and root of the MultiColumnTreeView
Me.multiColumnTreeView1.Nodes.AddRange(New TreeNodeAdv(){root1,root2,root3,root4})
'To Sort the MultiColumnTreeView based on the Column index
Private Sub SortNodesByColumn(ByVal ParentNode As TreeNodeAdv, ByVal ColumnIndex As Integer)
For Each node As TreeNodeAdv In ParentNode.Nodes
If node.HasNodes Then
SortNodesByColumn(node, 1)
End If
node.Nodes.Sort(New SortBySubItems(Me.multiColumnTreeView1, ColumnIndex, Me.CheckBox1.Checked))
Next node
End Sub
Figure 1. MultiColumnTreeView sorted using Column Index and root node
Samples:
C#: SortMultiColumnTreeView C#
VB: SortMultiColumnTreeView VB
Conclusion
I hope you enjoyed learning about how to sort WinForms MultiColumnTreeView based on the ColumnIndex.
You can refer to our WinForms MultiColumnTreeView’s feature tour page to know about its other groundbreaking feature representations. You can also explore our WinForms MultiColumnTreeView documentation to understand how to present and manipulate data.
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