/// <returns>not null, or throws</returns>
private VsHierarchyItem FindReferencesFolderNode(VsHierarchyItem rootItem)
{
var propertiesItem = rootItem.GetFirstChild(true);
if (propertiesItem != null)
{
var referensesItem = propertiesItem.GetNextSibling(true);
if (IsReferensesFolderItem(referensesItem))
{
return(referensesItem);
}
}
VsHierarchyItem result = null;
// have to traverse full hierarchy
rootItem.WalkDepthFirst(true, (VsHierarchyItem currentItem, object obj, out object newObj) => {
newObj = null;
if (IsReferensesFolderItem(currentItem))
{
result = currentItem;
return(-1);
}
return(0);
}, null);
if (result == null)
{
throw new InvalidOperationException("FindReferencesFolderNode");
}
return(result);
}
static bool IsReferensesFolderItem(VsHierarchyItem item)
{
if (item == null)
{
return(false);
}
var name = item.GetName();
var canonicalName = item.GetCanonicalName();
var brObj = item.GetBrowseObject();
return(canonicalName == null && brObj == null);
}
/// <returns>may return null</returns>
public VsHierarchyItem FindReferenceItemId(VSLangProj.Reference reference)
{
var projectName = reference.ContainingProject.UniqueName;
IVsHierarchy hierarchy;
ErrorHandler.ThrowOnFailure(Solution.GetProjectOfUniqueName(projectName, out hierarchy));
var rootItem = new VsHierarchyItem(hierarchy);
var referencesNode = FindReferencesFolderNode(rootItem);
var child = referencesNode.GetFirstChild(false);
while (child != null)
{
var browseObject = child.GetBrowseObject();
if (browseObject == reference)
{
return(child);
}
child = child.GetNextSibling(false);
}
return(null);
}
