private void treeView1_BeforeExpand(object sender, System.Windows.Forms.TreeViewCancelEventArgs e)
{
TreeNode node = e.Node;
if (node.Nodes[0].Text.Equals("")) //Khong phai luc na`o expand cung them vao tree (vi se lam cham chuong trinh)
{
tree.FillOneLevelNode(node, (AIONode)(node.Tag));
}
}
private void treeView1_BeforeExpand(object sender, System.Windows.Forms.TreeViewCancelEventArgs e)
{
TreeNode node = e.Node;
tree.FillOneLevelNode(node, (AIONode)(node.Tag));
}