private static void AddCategory(ICustomDestinationList cdl, string category, List <_ShellObjectPair> jumpItems, List <JumpItem> successList, List <_RejectedJumpItemPair> rejectionList, bool isHeterogenous)
{
Debug.Assert(jumpItems.Count != 0);
Debug.Assert(cdl != null);
HRESULT hr;
var shellObjectCollection = (IObjectCollection)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(CLSID.EnumerableObjectCollection)));
foreach (var itemMap in jumpItems)
{
shellObjectCollection.AddObject(itemMap.ShellObject);
}
if (string.IsNullOrEmpty(category))
{
hr = cdl.AddUserTasks((IObjectArray)shellObjectCollection);
}
else
{
hr = cdl.AppendCategory(category, (IObjectArray)shellObjectCollection);
}
if (hr.Succeeded)
{
// Woot! Add these items to the list.
// Do it in reverse order so Apply has the items in the correct order.
for (int i = jumpItems.Count; --i >= 0;)
{
successList.Add(jumpItems[i].JumpItem);
}
}
else
{
// If the list contained items that could not be added because this object isn't a handler
// then drop all ShellItems and retry without them.
if (isHeterogenous && hr == HRESULT.DESTS_E_NO_MATCHING_ASSOC_HANDLER)
{
if (TraceShell.IsEnabled)
{
TraceShell.Trace(TraceEventType.Error, TraceShell.RejectingJumpListCategoryBecauseNoRegisteredHandler(category));
}
Utilities.SafeRelease(ref shellObjectCollection);
var linksOnlyList = new List <_ShellObjectPair>();
foreach (var itemMap in jumpItems)
{
if (itemMap.JumpItem is JumpPath)
{
rejectionList.Add(new _RejectedJumpItemPair {
JumpItem = itemMap.JumpItem, Reason = JumpItemRejectionReason.NoRegisteredHandler
});
}
else
{
linksOnlyList.Add(itemMap);
}
}
if (linksOnlyList.Count > 0)
{
// There's not a reason I know of that we should reject a list of only links...
Debug.Assert(jumpItems.Count != linksOnlyList.Count);
AddCategory(cdl, category, linksOnlyList, successList, rejectionList, false);
}
}
else
{
Debug.Assert(HRESULT.DESTS_E_NO_MATCHING_ASSOC_HANDLER != hr);
// If we failed for some other reason, just reject everything.
foreach (var item in jumpItems)
{
rejectionList.Add(new _RejectedJumpItemPair {
JumpItem = item.JumpItem, Reason = JumpItemRejectionReason.InvalidItem
});
}
}
}
}
private static void AddCategory(ICustomDestinationList cdl, string category, List <JumpList._ShellObjectPair> jumpItems, List <JumpItem> successList, List <JumpList._RejectedJumpItemPair> rejectionList, bool isHeterogenous)
{
IObjectCollection objectCollection = (IObjectCollection)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid("2d3468c1-36a7-43b6-ac24-d3f02fd9607a")));
foreach (JumpList._ShellObjectPair shellObjectPair in jumpItems)
{
objectCollection.AddObject(shellObjectPair.ShellObject);
}
HRESULT hrLeft;
if (string.IsNullOrEmpty(category))
{
hrLeft = cdl.AddUserTasks(objectCollection);
}
else
{
hrLeft = cdl.AppendCategory(category, objectCollection);
}
if (hrLeft.Succeeded)
{
int num = jumpItems.Count;
while (--num >= 0)
{
successList.Add(jumpItems[num].JumpItem);
}
return;
}
if (isHeterogenous && hrLeft == HRESULT.DESTS_E_NO_MATCHING_ASSOC_HANDLER)
{
if (TraceShell.IsEnabled)
{
TraceShell.Trace(TraceEventType.Error, TraceShell.RejectingJumpListCategoryBecauseNoRegisteredHandler(new object[]
{
category
}));
}
Utilities.SafeRelease <IObjectCollection>(ref objectCollection);
List <JumpList._ShellObjectPair> list = new List <JumpList._ShellObjectPair>();
foreach (JumpList._ShellObjectPair shellObjectPair2 in jumpItems)
{
if (shellObjectPair2.JumpItem is JumpPath)
{
rejectionList.Add(new JumpList._RejectedJumpItemPair
{
JumpItem = shellObjectPair2.JumpItem,
Reason = JumpItemRejectionReason.NoRegisteredHandler
});
}
else
{
list.Add(shellObjectPair2);
}
}
if (list.Count > 0)
{
JumpList.AddCategory(cdl, category, list, successList, rejectionList, false);
return;
}
}
else
{
foreach (JumpList._ShellObjectPair shellObjectPair3 in jumpItems)
{
rejectionList.Add(new JumpList._RejectedJumpItemPair
{
JumpItem = shellObjectPair3.JumpItem,
Reason = JumpItemRejectionReason.InvalidItem
});
}
}
}