How to use the contents of my Listbox to fill a histogram

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VB

Hello,
I am trying to figure out how to use the data that I inputted from my "listbox" on Form1 to fill the "histogram" on Form2.

I finally figured out how to get the data into the listbox. See code below:

Public Class Form1
Friend myArray(5) As StringAlignment
Friend index As Integer = 0

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Try
myArray(index) = Me.TextBox1.Text
index += 1
Me.ListBox1.Items.Add(TextBox1.Text)
Me.TextBox1.Clear()
Me.TextBox1.Focus()
Catch ex As IndexOutOfRangeException
MsgBox("You have too many items for this array!")
End Try


End Sub

Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
Form2.Show()
End Sub
End Class


So here I have figured out to add another form and I know how to create the histogram, but I want to use the number of entries that I enter into the listbox as the 'x-axis' and the actual data (numbers) as the 'y-axis'. How can I tell the histogram to grab the 'x' & 'y' from the listbox?

Also if I am using an array, is there a cap on how many entries I can type in? If I take the (5) out it does not work. Does there have to be some number?


Thank you.