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Thread: Cancel SelectedIndexChanged event

  1. #1
    Join Date
    Jan 2009
    Posts
    35

    Cancel SelectedIndexChanged event

    I would like to cancel SelectedIndexChanged event in ListView control. I tries the code with private function but didn't work :
    Code:
    Private void OnSelectedIndexChanged(object sender, EventArgs e) {
    
    if ( <Condition not Allowed> ) {
    
    
    ListView1.Items[0].Selected = true;
    
    return;
    }
    
    }

  2. #2
    Join Date
    May 2008
    Posts
    2,012

    Re: Cancel SelectedIndexChanged event

    The SelectedIndexChanging event is raised when an item's Select button is clicked, but before the ListView control handles the select operation. Unfortunately, the ListView's SelectedIndexChanged event cannot be cancelled, and it's actually called for each change in the selection.

  3. #3
    Join Date
    Jan 2009
    Posts
    199

    Re: Cancel SelectedIndexChanged event

    Code:
    private void listView1_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
    {
    if (mobj != null)
    {
    if (txtbx1.Text !=  mobj.Text)
    {
    e.Item.Selected = false;
    mobj.Selected = true;
    
    return;
    }
    }
    
    if (listView1.SelectedItems.Count > 0)
    {
    txtbx1.Text = e.Item.Text;
    mobj = e.Item;
    }
    else
    {
    txtbx1.Text = "";
     mobj = null;
    }
    }
    }

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