Remove unchecked items from listview

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C#

I created two listviews . i need to add all the checked items of one listview to another .. it is working but when I unchecked the item it is still in the second listview. help me remove the unchecked item to remove from the second listview

What I have tried:

private void listView1_ItemChecked(object sender, ItemCheckedEventArgs e)
        {
            comboBox1.Items.Clear();
            //listView2.Items.Clear();
            string sPath = dr + treeView1.SelectedNode.FullPath;
               
            int N = 0;
            //foreach (var Item in listView1.SelectedItems)
           foreach (ListViewItem Item in listView1.Items)
            {
                if (Item != null)
                {
                    if (!Item.Checked)
                    {
                        if (listView2.Items.Count > 0)
                        {
                            ListViewItem foundItem = listView2.FindItemWithText(Item.Text, false, 0, true);
                            if (foundItem != null)
                            {
                                listView2.Items.Remove(Item);
                                //foreach (var Itemz in listView1.SelectedItems)
                                //{
                                //    listView2.Items.Remove(Itemz);
                                //}
                                // MessageBox.Show("Already Added");
                            }
                            else
                            {
                                listView2.Items.Remove(Item);
                            }
                        }
                    }
                    else if (Item.Checked)
                    {
                        N++;
                        if (listView2.Items.Count > 0)
                        {
                            ListViewItem foundItem = listView2.FindItemWithText(Item.Text, false, 0, true);
                            if (foundItem != null)
                            {
                                // listView2.Items.Remove(Item);
                            }
                            else
                            {
                                // listView3.Items.Add(listView2.FocusedItem.Text);
                                listView2.Items.Add(Item.Text);
                            }
                        }
                        else
                        {
                            //listView3.Items.Add(listView2.FocusedItem.Text);
                            listView2.Items.Add(Item.Text);
                        }
                        // listView2.Items.Add(Item.Text);
                        comboBox1.Items.Add(sPath + "\\" + Item.Text);
                    }
                    else
                    {
                        if (listView2.Items.Count > 0)
                        {
                            ListViewItem foundItem = listView2.FindItemWithText(Item.Text, false, 0, true);
                            if (foundItem != null)
                            {
                                listView2.Items.Remove(Item);
                                // MessageBox.Show("Already Added");
                            }
                            else
                            {
                              
                                listView2.Items.Remove(Item);
                            }
                        }
                        else
                        {
                          
                        }
                    }
                }
              
            }