alternate listview row color

[martialdc]

how to make the row of listview to have an alternate color??

[jo0ls]

set the color of the listviewitem, not the listview:

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim lv1 As New ListView
        lv1.View = View.Details
        lv1.Columns.Add("Column1", 120, HorizontalAlignment.Left)
        lv1.Dock = DockStyle.Fill
        For i As Integer = 0 To 15
            Dim lvi As New ListViewItem("Item " & i + 1)
            lvi.BackColor = Color.FromArgb(255, 255 - (i * 16), 255 - (i * 16), i * 16)
            lvi.ForeColor = Color.FromArgb(255, i * 16, 255 - (i * 16), 255 - (i * 16))
            lv1.Items.Add(lvi)
        Next
        Me.Controls.Add(lv1)
    End Sub

[jmcilhinney]

It would be a pain in the butt if your ListView is sortable, because you need to set the BackColor of each Item and then they will probably be out of order if sorted. You may be able to find an inherited ListView that already includes that functionality but I couldn't in a quick search. You could just create a method, either in a form or in an inherited ListView that alternately set the Item BackColors:

Private Sub SetAlternateItemColours()
    For i As Integer = 0 To myListView.Items.Count - 1 Step 1
        If i Mod 2 = 0 Then
            myListView.Items(i).BackColor = Colors.Red
        Else
            myListView.Items(i).BackColor = Colors.Blue
        End If
    Next i
End sub

You would then make sure this method was called every time the data in the ListView changed, including when it was sorted. I haven't tested the performance of this code with a large number of Items, mind you.

[cops]

thanks john useful tread....