protected override void DrawNodeImageCore(CustomDrawNodeImagesEventArgs e, Rectangle bounds, Point location, object imageList, int imageIndex)
        {
            e.Appearance.FillRectangle(e.Cache, bounds);
            MyTreeListNode node = e.Node as MyTreeListNode;

            if (node == null)
            {
                return;
            }

            Image img = node.AvatarImage;

            if (img != null)
            {
                e.Cache.DrawImage(img, node.AvatarImageBounds);
            }

            else
            {
                e.Cache.DrawRectangle(Pens.Gray, node.AvatarImageBounds);
            }
            string caption = node.AvatarCaption;

            if (caption != string.Empty)
            {
                e.Appearance.TextOptions.VAlignment = DevExpress.Utils.VertAlignment.Top;
                e.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
                e.Appearance.TextOptions.WordWrap   = DevExpress.Utils.WordWrap.Wrap;
                StringFormat sf = new StringFormat();
                sf.Alignment   = StringAlignment.Center;
                sf.FormatFlags = StringFormatFlags.NoWrap;
                e.Cache.DrawString(caption, e.Appearance.GetFont(), e.Appearance.GetForeBrush(e.Cache), node.AvatarCaptionBounds, sf);
            }
        }
        /// <summary>
        /// 设置图片节点的背景色
        /// 说明:在CustomDrawNodeImages事件中使用
        /// </summary>
        /// <param name="tree">TreeList</param>
        /// <param name="e">CustomDrawNodeImagesEventArgs</param>
        /// <param name="builderBackColorHandler">委托</param>
        public static void CustomImageNodeBackColor(this TreeList tree, CustomDrawNodeImagesEventArgs e, Func <TreeListNode, Color> builderBackColorHandler)
        {
            TreeListNode _node      = e.Node;
            Color        _backColor = builderBackColorHandler(_node);

            e.Graphics.FillRectangle(new SolidBrush(_backColor), e.Bounds);
        }
        void OnTreeListCustomDrawNodeImages(object sender, CustomDrawNodeImagesEventArgs e)
        {
            TreeList   tree  = (TreeList)sender;
            IFileImage _item = (IFileImage)tree.GetRow(e.Node.Id);

            if (_item.Image == null)
            {
                return;
            }
            e.Cache.DrawImage(_item.Image, e.SelectImageLocation);
            e.Handled = true;
        }
示例#4
0
        private void treeList1_CustomDrawNodeImages(object sender, CustomDrawNodeImagesEventArgs e)
        {
            string name = e.Node[0].ToString();

            if (name == "Suyama, Michael")
            {
                e.SelectImageIndex = 0; // e.SelectImageIndex为图片在ImageList中的index
            }
            else
            {
                e.SelectImageIndex = 1;
            }
            int level = e.Node.Level;

            if (level == 0)
            {
                e.SelectImageIndex = 0;
            }
            else if (level == 1)
            {
                e.SelectImageIndex = 1;
            }
            else if (level == 2)
            {
                e.SelectImageIndex = 2;
            }
            else if (level == 3)
            {
                e.SelectImageIndex = 3;
            }
            else if (level == 4)
            {
                e.SelectImageIndex = 4;
            }
            else if (level == 5)
            {
                e.SelectImageIndex = 5;
            }
            else if (level == 6)
            {
                e.SelectImageIndex = 6;
            }
            else if (level == 7)
            {
                e.SelectImageIndex = 7;
            }
        }
示例#5
0
 /// <summary>
 /// 树形控件添加图标
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void treeList_Station_CustomDrawNodeImages(object sender, CustomDrawNodeImagesEventArgs e)
 {
     //0 叶子 1 打开文件夹 2 文件夹
     if (e.Node.Nodes.Count > 0)
     {
         if (e.Node.Expanded)
         {
             e.SelectImageIndex = 1;
             return;
         }
         e.SelectImageIndex = 2;
     }
     else
     {
         e.SelectImageIndex = 0;
     }
 }
示例#6
0
 private void treeListEmp_CustomDrawNodeImages(object sender, CustomDrawNodeImagesEventArgs e)
 {
     //if (e.Node.HasChildren)
     //    if (e.Node.Expanded)
     //        e.SelectImageIndex = 0;
     //    else
     //        e.SelectImageIndex = 1;
     if (e.Node.HasChildren)
     {
         e.Node.SelectImageIndex = 0;
         e.Node.ImageIndex       = 0;
     }
     else
     {
         e.Node.SelectImageIndex = 1;
         e.Node.ImageIndex       = 1;
     }
 }
示例#7
0
 private void treeListTask_CustomDrawNodeImages(object sender, CustomDrawNodeImagesEventArgs e)
 {
     foreach (TreeListNode treeListNode in e.Node.Nodes)
     {
         //  ImageIndex用来指定树节点在正常状态下显示的图标,
         //  SelectImageIndex用来指定树节点在选中状态下显示的图标
         if (Convert.ToInt32(treeListNode["Status"].ToString()) == 0)
         {
             treeListNode.ImageIndex       = 0;
             treeListNode.SelectImageIndex = 0;
         }
         else
         {
             treeListNode.ImageIndex       = 1;
             treeListNode.SelectImageIndex = 2;
         }
     }
 }
示例#8
0
 private void treeList1_CustomDrawNodeImages(object sender, CustomDrawNodeImagesEventArgs e)
 {
     //DrawBackGround(e.Node, e);
 }