摘要： 窗体如下：代码如下：treeView相关事件代码：private void treeView1_ItemDrag(object sender, ItemDragEventArgs e) { TreeNode dragNode = e.Item as TreeNode; this.treeView1.SelectedNode = dragNode; this.imageListDrag.Images.Clear(); imageListDrag.ImageSize = new Size(dragNode.Bounds.Size.Width + this.treeView1.Indent, dra 阅读全文