public void Apply()
{
BeginList();
try
{
if (active == null)
{
active = new List <JumpItemTask>();
}
if (active.Count > 0)
{
foreach (var t in active)
{
t.Dispose();
}
active.Clear();
}
var count = tasks.Count;
if (count > 0)
{
IObjectCollection content = null;
var categories = new Dictionary <string, IObjectCollection>();
for (var i = 0; i < count; ++i)
{
var t = tasks[i];
if (i > 0)
{
if (tasks[i - 1].CustomCategory != t.CustomCategory)
{
content = null;
}
}
if (content == null)
{
var c = t.CustomCategory;
if (c == null)
{
c = "";
}
if (!categories.TryGetValue(c, out content))
{
content = categories[c] = (IObjectCollection) new CEnumerableObjectCollection();
}
}
var jit = new JumpItemTask(t);
active.Add(jit);
content.AddObject(jit.NativeShellLink);
}
foreach (var k in categories.Keys)
{
if (k.Length == 0)
{
list.AddUserTasks((IObjectArray)categories[k]);
}
else
{
var r = list.AppendCategory(k, (IObjectArray)categories[k]);
if (r < 0)
{
if (r == -2147024891) //denied (tracking of recent files is disabled)
{
throw new CustomCategoryException();
}
throw Marshal.GetExceptionForHR(r);
}
}
}
}
}
finally
{
list.CommitList();
}
}
private void BeginList()
{
uint slots;
object o;
var r = list.BeginList(out slots, ref GUID_IObjectArray, out o);
if (r < 0)
{
throw Marshal.GetExceptionForHR(r);
}
var oa = (IObjectArray)o;
uint count;
oa.GetCount(out count);
if (count > 0)
{
var removed = new List <IJumpItem>((int)count);
var buffer = new StringBuilder(512);
for (uint i = 0; i < count; ++i)
{
oa.GetAt(i, ref GUID_IUnknown, out o);
if (o is Shortcut.IShellLink)
{
var link = (Shortcut.IShellLink)o;
var title = JumpItemTask.GetTitle(link);
string args = null;
for (var j = tasks.Count - 1; j >= 0; --j)
{
var t = tasks[j];
if (t.Title == title)
{
if (args == null)
{
link.GetArguments(buffer, buffer.Capacity);
args = buffer.ToString();
buffer.Length = 0;
}
if (Compare(t.Arguments, args))
{
tasks.RemoveAt(j);
removed.Add(t);
break;
}
}
}
}
//else if (o is Dialogs.FileDialogNative.IShellItem)
//{
// var item = (Dialogs.FileDialogNative.IShellItem)o;
//}
}
if (removed.Count > 0)
{
try
{
if (Removed != null)
{
Removed(this, removed);
}
}
catch (Exception e)
{
Util.Logging.Log(e);
}
}
}
}
