ListView图像居中对齐

Question

我有一个列表视图，该视图从数据表中提取数据行。通常，第一列“ RuleActive”将使用文本值“ True”或“ False”填充列单元格

我已将“ True”或“ False”值替换为绿色或红色圆圈，作为每次我重新加载列表视图时都会动态更新的图标。这部分工作正常。我现在想做的是将图像水平放置在像元的中心，当前它放置在Far LHS上。

我读过的所有文章都没有给我解决方案。我已经注释掉配置图像的代码行（请参阅“帮助”，“帮助”！）我猜我需要在本节中添加一些其他代码，以将图像推到单元格的中心位置。

谢谢！

 public void Update_RulesListView()
    {
        try
        {
            // Momentarialy clear the List View so it can be re-populated.
            // THIS IS A CRITICAL ONE FOR CORRECT OPERATION - DO NOT REMOVE!
            RulesListView.Clear();

            RulesListView.Columns.Add("Rule Active:", 100, HorizontalAlignment.Left);
            RulesListView.Columns.Add("Rule Name:", 200, HorizontalAlignment.Left);
            RulesListView.Columns.Add("System Mapping:", 200, HorizontalAlignment.Left);
            //RulesListView.Columns.Add("INBOUND Module:", 140, HorizontalAlignment.Left);
            //RulesListView.Columns.Add("Type:", 110, HorizontalAlignment.Left);
            //RulesListView.Columns.Add("OUTBOUND Module:", 150, HorizontalAlignment.Left);
            //RulesListView.Columns.Add("Type:", 110, HorizontalAlignment.Left);
            RulesListView.Columns.Add("CreateDate:", 180, HorizontalAlignment.Left);
            RulesListView.Columns.Add("LastUpdated:", 180, HorizontalAlignment.Left);

            // Create the referece to the images from propeties resources.
            Image greenCircle = new Bitmap(Properties.Resources.GreenCircle);
            Image redCircle = new Bitmap(Properties.Resources.RedCircle);
            // Create an ImageList object.
            ImageList imageListSmall = new ImageList { ImageSize = new Size(15, 15) };
            // Add the images to the image list.
            imageListSmall.Images.Add(greenCircle);
            imageListSmall.Images.Add(redCircle);
            // Define the image list used by the list view.
            RulesListView.SmallImageList = imageListSmall;

            for (int i = 0; i < SystemMapping.SystemMappingDataTable.Rows.Count; i++)
            {
                DataRow dataRow = DB_Rules.RulesDataTable.Rows[i];

                ListViewItem listitem = new ListViewItem(dataRow["RuleActive"].ToString());

                string ruleActive = (dataRow["RuleActive"].ToString());
                if (ruleActive == "True")
                {
                    listitem.Text = "";
                    listitem.ImageIndex = 0;
                    /// HELP HELP HELP! I need this image to be positioned in the center of the cell...
                }
                if (ruleActive == "False")
                {
                    listitem.Text = "";
                    listitem.ImageIndex = 1;
                }
                listitem.SubItems.Add(dataRow["RuleName"].ToString());
                listitem.SubItems.Add(dataRow["SystemMapping"].ToString());
                listitem.SubItems.Add(dataRow["CreateDate"].ToString());
                listitem.SubItems.Add(dataRow["LastUpdated"].ToString());
                RulesListView.Items.Add(listitem);
            }
        }
        catch (Exception ex)
        {
            log.Error(ex);
        }
    }