C #, net searches for all subnodes of a node and demonstrates recursive calls

 

Private bool findnode (treenode node)
...{
/** // * Int id1 = convert. toint16 (node. Tag. tostring ());
String sqlstr = "delete from DP where id1 =" + id1;
Return dbclass. db_executenonquery (sqlstr );
*/
// What you want to do
MessageBox (node. Text );
Return true;
}
Private void findallnodes (treenode basetreenode)
...{
Int num = basetreenode. nodes. count;
Treenode node;
For (INT I = 0; I <num-1; I ++)
...{
Node = basetreenode. nodes [I];
Findnode (node );
If (node. nodes. Count> 0)
...{
Findallnodes (node );
}
}
}
Call: findallnodes (treeview1.selectednode)