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find parent node in treeview

开发者 https://www.devze.com 2022-12-21 12:07 出处:网络
Im using treeview in开发者_JS百科 asp.net how can i check if parent contains childnodes in treeview selected node changed event.In case you want to look if the parent of the selected node contains ot

Im using treeview in开发者_JS百科 asp.net

how can i check if parent contains childnodes in treeview selected node changed event.


In case you want to look if the parent of the selected node contains other children nodes, it is safe to say

bool ContainsOtherChildren = treeView1.SelectedNode.Parnet.ChildNodes.Count > 1;

since you know that it already has at least one child node (the selected one)

I would however make another check if there is indeed a parent such as

if(treeView1.SelectedNode.Parent != null)
{
   ContainsOtherChildren = treeView1.SelectedNode.Parnet.ChildNodes.Count > 1;
}


Check All the child pointer values, whether is it NULL or not.

If all child pointer value is NULL , you can ensure that the parent does not have any child.

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