private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
{
//toggle tree node on click
if (e.Node.GetType() == typeof(SyncFileTreeViewNode))
{
return;
}
SyncDirTreeViewNode dirNode = (SyncDirTreeViewNode)e.Node;
dirNode.Toggle();
}
/// <summary>
/// update or create treenode if it is visible
/// </summary>
/// <param name="ei">element info</param>
/// <param name="invoke">if the operations on treeview should be invoked</param>
private void UpdateTreeNodeIfVisible(MyElementInfo ei, bool invoke)
{
TreeNodeCollection tnc = treeView1.Nodes;
SyncDirTreeViewNode treeNode = null;
for (int i = 1; i < ei.TreePath.Count; i++)
{
treeNode = (SyncDirTreeViewNode)tnc[ei.TreePath[i].Info.Name];
if (treeNode == null)
{
return;
}
//check if treenode is visible
bool expanded = false;
Action ae = new Action(() => expanded = treeNode.IsExpanded);
if (invoke)
{
treeView1.Invoke(ae);
}
else
{
ae();
}
if (!expanded)
{
return;
}
//update tree node (according to the status of ei)
treeNode.ChildStatus = ei.SyncElementInfo.SyncStatus;
Action a = new Action(treeNode.Update);
if (invoke)
{
treeView1.Invoke(a);
}
else
{
a();
}
tnc = treeNode.Nodes;
}
if (ei.ElementTreeViewNode == null)
{
//create treenode
if (ei.GetType() == typeof(MyFileInfo))
{
ei.ElementTreeViewNode = new SyncFileTreeViewNode((MyFileInfo)ei);
}
else
{
ei.ElementTreeViewNode = new SyncDirTreeViewNode((MyDirInfo)ei);
}
Action aa = new Action(() => tnc.Add(ei.ElementTreeViewNode));
if (invoke)
{
treeView1.Invoke(aa);
}
else
{
aa();
}
}
//update result tree node
Action au = new Action(ei.ElementTreeViewNode.Update);
if (invoke)
{
treeView1.Invoke(au);
}
else
{
au();
}
}