private void Form3_Load(object sender, EventArgs e)
{
/*
* 遍历文件系统：得到一个树；堆栈数组好像用不到
*通过遍历，判断能否往下延伸，进而知道是否为根节点
*首先得到所有盘符，其次得到一个盘底下的所有内容
* 刷新文件内容则交给右键刷新功能？或者隔几秒读取一次当前内容吧；不读取子级节点
*节点展开时读取一次变化；
*所以查询的基础建立在第一次扫描
*实际使用发现递归会很慢
*所以也许需要限定范围 以及异步加载
*再有就是优化写法
*/
#region 添加下标集合
var url = Application.StartupPath;
var _idx = 0;
if ((_idx = url.LastIndexOf("\\")) != -1) //往上两级
{
url = url.Substring(0, _idx);
if ((_idx = url.LastIndexOf("\\")) != -1)
{
url = url.Substring(0, _idx);
}
}
treeView1.ImageList = new ImageList();
treeView1.ImageList.Images.Add(new Icon(url + "\\文件查找器资源文件\\Image\\bitbug_favicon.ico"));
treeView1.ImageList.Images.Add(new Icon(url + "\\文件查找器资源文件\\Image\\文件夹.ico"));
treeView1.ImageList.Images.Add(new Icon(url + "\\文件查找器资源文件\\Image\\文件.ico"));
treeView1.ImageList.Images.Add(new Icon(url + "\\文件查找器资源文件\\Image\\磁盘.ico"));
#endregion 添加下标集合
List <TreeNode> tns = new List <TreeNode>();
Dictionary <TreeNode, string> times = new Dictionary <TreeNode, string>();
DialogResult result = MessageBox.Show("搜索全部吗？", "问询", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
//查询全部
var lt = GetRemovableDeviceID(); //D://
foreach (var s in lt)
{
var curNode = new TreeNode()
{
Name = s + "//", Text = s, Tag = new DirectoryInfo(s + "//")
};
curNode.Tag = new myNodeTag(curNode)
{
Tag = curNode.Tag
};
(curNode.Tag as myNodeTag).FileType = FileType.磁盘;
var time = INI.ReadINI("盘符上次遍历时间", s + "//");
treeView1.Nodes.Add(new TreeNode()
{
Name = "临时占据：" + s + "//", Text = s + "上次加载时间：" + time
});
//GetInDirectoryFiles(curNode);
tns.Add(curNode);
times.Add(curNode, time);
}
tns.Clear();
foreach (var keyValuePair in times.OrderBy(k => k.Value))
{
tns.Add(keyValuePair.Key);
}
}
else
{
button3.Enabled = false;
var src = selPath("上次选择路径");
var curNode = new TreeNode()
{
Name = src, Text = src, Tag = new DirectoryInfo(src)
};
curNode.Tag = new myNodeTag(curNode)
{
Tag = curNode.Tag
};
(curNode.Tag as myNodeTag).FileType = FileType.文件夹;
var time = INI.ReadINI("盘符上次遍历时间", src);
treeView1.Nodes.Add(new TreeNode()
{
Name = "临时占据：" + src + "//", Text = src + "上次加载时间：" + time
});
tns.Add(curNode);
times.Add(curNode, time);
}
开始执行搜索盘符内容的时间 = DateTime.Now;
开始执行的时间 = DateTime.Now;
timer1.Start();
label2.Text = "";
加载子节点(tns);
foreach (int myCode in Enum.GetValues(typeof(OrderType)))
{
string strName = Enum.GetName(typeof(OrderType), myCode); //获取名称
string strVaule = myCode.ToString(); //获取值
var item = new System.Windows.Forms.ToolStripMenuItem()
{
Text = strName,
Name = strName,
Tag = strVaule
};
分组ToolStripMenuItem.DropDownItems.Add(item);
item.Click += (o, args) =>
{
if (contextMenuStrip1.Tag is TreeNode)
{
var node = contextMenuStrip1.Tag as TreeNode;
if (node != null && node.Tag is myNodeTag)
{
(node.Tag as myNodeTag).Order(
(OrderType)int.Parse((o as ToolStripMenuItem).Tag.ToString()), true);
}
}
};
}
}
