CountCheckedNodes – Retrieving the number of checked nodes in a treeview

CountCheckedNodes – Retrieving the number of checked nodes in a treeview

' Return the number of checked nodes in the specified treePublic Function CountCheckedNodes(ByVal rootNode As TreeNode) As Integer    Dim count As Integer = 0    ' count the root node, if checked    If rootNode.Checked Then count = 1    ' check the child nodes, by recursively calling this function for all of     ' them    Dim tvn As TreeNode    For Each tvn In rootNode.Nodes        count += CountCheckedNodes(tvn)    Next    Return countEnd Function

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