我需要改变面板背景的建议

Question

我目前在大面板上添加了动态数量的较小面板。我有一个单独的表单，它返回一个workspaceID列表。

每个WorkSpaceControl都有一个全局变量get，set，用于存储workspaceID，我看不到在当前范围内访问这些内容的方法。

WorkSpaceControl wsp = wch.GenerateWorkspaceControl(items, space.Id, space.Name, point);
workSpaceList.Add(wsp);
k++;
col++;

foreach (WorkSpaceControl p in workSpaceList)
{
    ///  allow something to be dragged onto the space and catches something
    p.AllowDrop = true;
    p.DragEnter += formDragEnter;
    p.DragDrop += formDragDrop;

    // Event handler for draggin picturebox 
    p.ItemIcon.MouseDown += new MouseEventHandler(moveIcon_MouseDown);
    /// event handler for updating icons and quantity based on selected item
    p.Child_ItemIndexChanged += c_SelectedIndexChanged;
    PanelTest.Controls.Add(p);
}

private void btnFindByCustom_Click(object sender, EventArgs e)
{
    ih_FindByCustom findCust = new ih_FindByCustom();
    var result = findCust.ShowDialog();

    if (result == DialogResult.OK)
    {
        List<int> workspaceidstohighlight = findCust.workspaceIdsToHighlight;
        //highlihgt the panels in the workspaceidtohighlight
        Panel p = (Panel)((Button)sender).Parent.Parent;
    }
}

我需要访问面板p上的所有workspaceControl。

我解决了它，但它很丑陋

private void btnFindByCustom_Click(object sender, EventArgs e)
        {
            ih_FindByCustom findCust = new ih_FindByCustom();
            var result = findCust.ShowDialog();
            if(result == DialogResult.OK)
            {
                List<int> workspaceidstohighlight = findCust.workspaceIdsToHighlight;
                //highlihgt the panels in the workspaceidtohighlight
                if (workspaceidstohighlight.Count != 0)
                {
                    foreach (WorkSpaceControl list in workSpaceList)
                    {  
                        foreach (int idtohighlight in workspaceidstohighlight)
                        {
                            if (list.WorkspaceID == idtohighlight)
                            {
                                list.backPanel.BackColor = Color.Yellow;
                            }
                        }
                    }
                }
            }
        }

我希望不要将workSpaceList变为全局变量，但我看不到任何其他方式。

有没有人采用“更清洁”的方式做到这一点？我在某处看到使用linq并创建连接将是一个可能的解决方案，我将要研究。