private void treeView1_BeforeExpand(object sender, TreeViewCancelEventArgs e) //Заполняем +1 уровень перед раскрытием ветки
{
try
{
foreach (TreeNode subnode in e.Node.Nodes)
{
while (true)
{
try
{
GetPaths?.Invoke(subnode.FullPath);
while (true)
{
try
{
bool flag = false;
foreach (var item in DirectoriesNames)
{
if (subnode.Nodes.Count == 0)
{
flag = true;
}
if (flag)
{
var node = new TreeNode(item)
{
ImageIndex = 2,
SelectedImageIndex = 2
};
subnode.Nodes.Add(node);
}
}
}
catch { continue; }
break;
}
}
catch
{
// ignored
}
break;
}
}
}
catch
{
// ignored
}
}
private void InitTree()
{
GetDrives?.Invoke(this, EventArgs.Empty);
foreach (var drive in Drives)
{
try//картинки на диски
{
_treeNode = new TreeNode();
_treeNode = treeView1.Nodes.Add(drive.Key);
switch (drive.Value)
{
case "DriveType.Fixed":
case "DriveType.Network":
_treeNode.ImageIndex = 1;
_treeNode.SelectedImageIndex = 1;
break;
case "DriveType.Removable":
case "DriveType.CDRom":
_treeNode.ImageIndex = 0;
_treeNode.SelectedImageIndex = 0;
break;
}
GetPaths?.Invoke(drive.Key);
foreach (var item in DirectoriesNames)
{
TreeNode node = new TreeNode(item)
{
ImageIndex = 2,
SelectedImageIndex = 2
};
_treeNode.Nodes.Add(node);
}
}
catch { }
}
}