DevTreeListView.SetImageIndex 设置TreeList显示的图标

  DevTreeListView.SetImageIndex 设置TreeList显示的图标

C# Code:

/// <summary>
/// 设置TreeList显示的图标
/// </summary>
/// <param name="tl">TreeList组件</param>
/// <param name="node">当前结点，从根结构递归时此值必须=null</param>
/// <param name="nodeIndex">根结点图标(无子结点)</param>
/// <param name="parentIndex">有子结点的图标</param>
public static void SetImageIndex(TreeList tl, TreeListNode node, int nodeIndex, int parentIndex)
{
  if (node == null)
  {
    foreach (TreeListNode N in tl.Nodes)
    SetImageIndex(tl, N, nodeIndex, parentIndex);
  }
  else
  {
    if (node.HasChildren || node.ParentNode == null)
    {
      //node.SelectImageIndex = parentIndex;
       node.StateImageIndex = parentIndex;
      node.ImageIndex = parentIndex;
    }
    else
    {
      //node.SelectImageIndex = nodeIndex;
       node.StateImageIndex = nodeIndex;
      node.ImageIndex = nodeIndex;
    }
    
    foreach (TreeListNode N in node.Nodes)
    {
      SetImageIndex(tl, N, nodeIndex, parentIndex);
    }
  }
}

//来源:C/S框架网 | www.csframework.com | QQ:23404761

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