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  • TreeView添加图片

    实现方式一:

    通过代码方式实现如下所示:

       private string FilePath = Application.StartupPath + "\Images\";
      
                Image img = new Bitmap(FilePath + "one.ico");
                Image img1 = new Bitmap(FilePath + "two.ico");
                ImageList imgs = new ImageList();
                imgs.Images.Add(img);
                imgs.Images.Add(img1);
                this.tvTest.ImageList = imgs;
    
                TreeNode node = new TreeNode();
                node.Text = "Root";
                this.tvTest.Nodes.Add(node);
                node.ImageIndex = 0;
                node.SelectedImageIndex = 0;
    
                TreeNode node1 = new TreeNode();
                node1.Text = "root001";
                TreeNode node2 = new TreeNode();
                node2.Text = "root002";
                node.Nodes.Add(node1);
                node.Nodes.Add(node2);
                this.tvTest.ExpandAll();
                node1.ImageIndex =1;
                node1.SelectedImageIndex = 1;
                node2.ImageIndex = 1;
                node2.SelectedImageIndex = 1;
        
    

    实现方式二:

    通过绑定ImageList控件实现,如下所示:

    操作步骤:第一步,工具箱中拖动ImageList控件;第二步,ImageList控件Images属性添加图片集合;第三步,TreeView控件绑定ImageList属性;

    第四步,代码如下所示:

                TreeNode node = new TreeNode();
                node.Text = "Root";
                this.tvTest.Nodes.Add(node);
                node.ImageIndex = 0;
                node.SelectedImageIndex = 0;
    
                TreeNode node1 = new TreeNode();
                node1.Text = "root001";
                TreeNode node2 = new TreeNode();
                node2.Text = "root002";
                node.Nodes.Add(node1);
                node.Nodes.Add(node2);
                this.tvTest.ExpandAll();
                node1.ImageIndex =1;
                node1.SelectedImageIndex = 1;
                node2.ImageIndex = 1;
                node2.SelectedImageIndex = 1;
    

    运行效果如下:  

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  • 原文地址:https://www.cnblogs.com/YYkun/p/8072408.html
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