emran.bader

i was try to solve it , but im begnner in vb.net this is my code Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim x As New ListViewItem(t1.Text) x.SubItems.Add(t2.Text) x.SubItems.Add(t3.Text) x.SubItems.Add(CInt(t2.Text) + CInt(t3.Text)) l1.Items.Add(x) t1.Text = "" t2.Text = "" t3.Text = …

public int callSize(){ return Size(root); } public int Size(node n){ if(n==null) return 0; else return 1+Size(n.left)+Size(n.right); }