/// <summary>
/// 在追加子节点时，对Tag进行更新
/// </summary>
/// <param name="file"></param>
private void 更新信息(FileInfo file)
{
allFileInfos.Add(new KeyValuePair <FileInfo, TreeNode>(file, _node));
FileType = FileType.文件;
//只管父级
string exestr = Path.GetExtension(file.FullName).ToLower();
myNodeTag parent = (_node.Parent ?? new TreeNode()
{
Tag = null
}).Tag as myNodeTag;
while (parent != null)
{
if (!parent.extCount.ContainsKey(exestr))
{
parent.extCount.Add(exestr, new List <FileInfo>());
}
parent.extCount[exestr].Add(file);
if (parent.MaxFile == null || parent.MaxFile.Length < file.Length)
{
parent.MaxFile = file;
}
if (parent.MinFile == null || parent.MinFile.Length > file.Length)
{
parent.MinFile = file;
}
if (parent.LastEditFile == null || parent.LastEditFile.LastWriteTime < file.LastWriteTime)
{
parent.LastEditFile = file;
}
if (parent.LastCreateFile == null || parent.LastCreateFile.CreationTime > file.CreationTime)
{
parent.LastCreateFile = file;
}
if (parent.LastOpenFile == null || parent.LastOpenFile.LastAccessTime > file.LastAccessTime)
{
parent.LastOpenFile = file;
}
parent = (parent._node.Parent ?? new TreeNode()
{
Tag = null
}).Tag as myNodeTag;
}
}
/// <summary>
/// 在追加子节点时，对Tag进行更新
/// </summary>
/// <param name="file"></param>
private void 更新信息(DirectoryInfo Dir)
{
FileType = FileType.文件夹;
//只管父级
myNodeTag parent = (_node.Parent ?? new TreeNode()
{
Tag = null
}).Tag as myNodeTag;
while (parent != null)
{
if (parent.LastOpenDir == null || parent.LastOpenDir.LastAccessTime > Dir.LastAccessTime)
{
parent.LastOpenDir = Dir;
}
parent = (parent._node.Parent ?? new TreeNode()
{
Tag = null
}).Tag as myNodeTag;
}
}
/// <summary>
/// 添加节点之前 修改Tag
/// </summary>
/// <param name="curtn"></param>
/// <param name="chid"></param>
/// <param name="isFile"></param>
private void AddChildNode(TreeNode curtn, TreeNode chid, bool isFile, int?idx = null)
{
if (this.treeView1.InvokeRequired)
{
delAddChildNode stcb = new delAddChildNode(AddChildNode);
this.Invoke(stcb, new object[] { curtn, chid, isFile, idx });
}
else
{
//this.txt_a.Text = text;
var oldTag = chid.Tag;
try
{
if (idx == null)
{
curtn.Nodes.Add(chid);
}
else
{
curtn.Nodes.Insert(idx ?? 0, chid);
}
var newTag = new myNodeTag(chid);
newTag.Tag = oldTag;
if (oldTag is myNodeTag)
{
;
}
else
{
chid.Tag = newTag;
}
chid.SelectedImageIndex = chid.ImageIndex = isFile ? 2 : 1;
chid.ToolTipText = chid.Name;
}
catch (Exception)
{
}
}
}