how summing the numbers in the listbox

the numbers in the listbox were added from the textbox.
after the numbers added, I want to summing the numbers in the listbox.

I've made this code but It didn't work:

Code:

---

private: System::Void button2_Click(System::Object^  sender, System::EventArgs^  e)
        {
            int i,jum, x, y;           
            {           
            listBox2->Items->Add(txt_add->Text);
            }
 
              x=listBox2->Items->Count;
                       

              for(i=0; i<=x; i++)

                  {

                      y = Convert::ToInt32(listBox2->Items->Item[i]); //ERROR LINE

                  jum += y;

                  }

            txt_total2->Text=jum.ToString();
        }

---

I got this error:

Code:

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error C3293: 'Item': use 'default' to access the default property (indexer) for class 'System::Windows::Forms::ListBox::ObjectCollection'

---

can you tell me what's wrong with that code, and what is the right code to solve my case?

This Forum is for native VC++, not for Managed C++/CLI code

[ redirected ]

Do you want to say listBox2->Items[i] instead of listBox2->Items->Item[i]?

Also,

for(i=0; i<=x; i++)

should be

for(i=0; i<x; i++)