/// <summary>
/// 重置一个节点
/// </summary>
/// <param name="tn"></param>
/// <param name="acbCallback"></param>
/// <param name="state"></param>
private void ReLoadNode(TreeNode tn, AsyncCallback acbCallback = null, object state = null)
{
FileType ft = FileType.磁盘;
var mytag = tn.Tag as myNodeTag;
if (mytag != null)
{
ft = mytag.FileType;
}
var parent = tn.Parent;
var idx = tn.Index;
tn.Remove();
tn.Nodes.Clear();
if (acbCallback == null)
{
state = tn;
acbCallback = ar =>
{
if (parent == null)
{
SetNodeIdx(tn, 3);
}
else
{
AddChildNode(parent, tn, ft == FileType.文件, idx);
}
};
}
if (ft == FileType.文件)
{
var fi = ((tn.Tag as myNodeTag).Tag as FileInfo);
fi.Refresh();
if (!fi.Exists)
{
ReLoadNode(parent);//不存在就刷新父节点
return;
}
AddChildNode(parent, tn, ft == FileType.文件, idx);
return;
}
GetInDirectoryFiles handler = new GetInDirectoryFiles(GetInDirectoryFiles);
IAsyncResult result = handler.BeginInvoke(tn, acbCallback, state);
}
