C # decompressing all winform Treeview checkbox

C # decompressing all winform Treeview checkbox

Private void treeviewappsaftercheck (Object sender, treevieweventargs E)

{

If (E. Action! = Treeviewaction. Unknown)

{

/*

* Because the status of each node check box changes, the aftercheck event is triggered,

* To avoid entering recursion infinitely, We need to judge the status of treeviewaction,

* The treeviewaction status of all nodes automatically selected by the Code is unknown,

* This prevents problems when calling the recursive process.

*/

Checkallchildnodes (E. node, E. node. Checked );

// Select the parent node when all child nodes are selected

Bool bolchecked = true;

If (E. node. parent! = NULL)

{

For (INT I = 0; I <E. node. Parent. nodes. Count; I ++)

{

If (E. node. Parent. nodes [I]. Checked = false)

Bolchecked = false;

}

E. node. Parent. Checked = bolchecked;

}

}

}

Public void checkallchildnodes (treenode, bool nodechecked)

{

Foreach (treenode node in treenode. nodes)

{

Node. Checked = nodechecked;

If (node. nodes. Count> 0)

{

This. checkallchildnodes (node, nodechecked );

}

}

}