/// <summary>
/// 选中节点上移方法
/// </summary>
/// <param name="node"></param>
private void SetTreeNodeUp(TreeNode node)
{
if ((node == null) || (node.PrevNode) == null)
return;
TreeNode newNode = (TreeNode)node.Clone();
//数据表的移动
if (node.Level == 1)
{
object[] _rowData = SearchParentDataTable.Rows[node.Index].ItemArray;
SearchParentDataTable.Rows[node.Index].ItemArray = SearchParentDataTable.Rows[node.Index - 1].ItemArray;
SearchParentDataTable.Rows[node.Index - 1].ItemArray = _rowData;
}
if (node.Level == 2)
{
DataTable dt = new DataTable();
dt = (DataTable)SearchChildDataTableArr[node.Parent.Index];
object[] _rowData = dt.Rows[node.Index].ItemArray;
dt.Rows[node.Index].ItemArray = dt.Rows[node.Index - 1].ItemArray;
dt.Rows[node.Index - 1].ItemArray = _rowData;
}
//节点的移动
if (node.PrevNode.PrevNode != null)
{
if (node.Parent != null)
node.Parent.Nodes.Insert(node.PrevNode.Index , newNode);
else
node.TreeView.Nodes.Insert(node.PrevNode.Index, newNode);
}
else
if (node.Parent != null)
node.Parent.Nodes.Insert(node.PrevNode.Index, newNode);
else
node.TreeView.Nodes.Insert(node.PrevNode.Index, newNode);
node.TreeView.SelectedNode = newNode;
node.TreeView.Nodes.Remove(node);
}
/// <summary>
/// 选中节点下移方法
/// </summary>
/// <param name="node"></param>
private void SetTreeNodeDown(TreeNode node)
{
if ((node == null) || (node.NextNode) == null) return;
TreeNode newNode = (TreeNode)node.Clone();
//数据表的移动
if (node.Level == 1)
{
object[] _rowData = SearchParentDataTable.Rows[node.Index].ItemArray;
SearchParentDataTable.Rows[node.Index].ItemArray = SearchParentDataTable.Rows[node.Index + 1].ItemArray;
SearchParentDataTable.Rows[node.Index + 1].ItemArray = _rowData;
}
if (node.Level == 2)
{
DataTable dt = new DataTable();
dt = (DataTable)SearchChildDataTableArr[node.Parent.Index];
object[] _rowData = dt.Rows[node.Index].ItemArray;
dt.Rows[node.Index].ItemArray = dt.Rows[node.Index + 1].ItemArray;
dt.Rows[node.Index + 1].ItemArray = _rowData;
}
//节点的移动
if (node.NextNode.NextNode != null)
{
if (node.Parent != null)
node.Parent.Nodes.Insert(node.NextNode.NextNode.Index, newNode);
else
node.TreeView.Nodes.Insert(node.NextNode.NextNode.Index, newNode);
}
else
if (node.Parent != null)
node.Parent.Nodes.Add(newNode);
else
node.TreeView.Nodes.Add(newNode);
node.TreeView.SelectedNode = newNode;
node.TreeView.Nodes.Remove(node);
}