private void mnuSuaNut_Click(object sender, EventArgs e)
{
if (tvDuLieu.SelectedNode == null)
{
return;
}
frmThemNut frm = new frmThemNut();
if (frm.ShowDialog() == DialogResult.OK)
{
tvDuLieu.SelectedNode.Text = frm.txtGiaTri.Text;
}
}
private void mnuThemNut_Click(object sender, EventArgs e)
{
frmThemNut frm = new frmThemNut();
if (frm.ShowDialog() == DialogResult.OK)
{
if (tvDuLieu.SelectedNode == null)//muon tao nut goc{
{
TreeNode root = new TreeNode(frm.txtGiaTri.Text);
tvDuLieu.Nodes.Add(root);
}
else // tao nut con cua selected node
{
TreeNode node = new TreeNode(frm.txtGiaTri.Text);
tvDuLieu.SelectedNode.Nodes.Add(node);
if (node.Level == 2)
{
node.ImageIndex = 2;
node.SelectedImageIndex = 3;
}
}
}
}