c# DevExpress.XtraTreeList 树形节点的上下移动

//向上

private void btnMoveUp_Click(object sender, EventArgs e)

{

this.treeFile.Columns["LastWriteTime"].SortOrder = SortOrder.None;

TreeListNode FocuesNode = this.treeFile.FocusedNode;

treeFile.BeginUpdate();

int PrevNodeIndex = this.treeFile.GetNodeIndex(FocuesNode.PrevNode);

treeFile.SetNodeIndex(FocuesNode, PrevNodeIndex);

treeFile.EndUpdate();

}

//向下

private void btnMoveDown_Click(object sender, EventArgs e)

{

this.treeFile.Columns["LastWriteTime"].SortOrder = SortOrder.None;

TreeListNode FocuesNode = this.treeFile.FocusedNode;

treeFile.BeginUpdate();

int PrevNodeIndex = this.treeFile.GetNodeIndex(FocuesNode.NextNode);

treeFile.SetNodeIndex(FocuesNode, PrevNodeIndex);

treeFile.EndUpdate();

}