private void button5_Click(object sender, EventArgs e)
{
String ty = String.Empty;
if (treeView1.SelectedNode == null)
{
MessageBox.Show("请先选择目标科目或章节！", "警告");
return;
}
if (treeView1.SelectedNode.Parent == null)
{
ty = treeView1.SelectedNode.Text;
}
else
{
ty = treeView1.SelectedNode.Parent.Text;
}
tianjia form = new tianjia(ty);
form.ShowDialog();
}
private void button4_Click(object sender, EventArgs e)
{
tianjia form = new tianjia("1");
form.ShowDialog();
}