private static bool IsLoaded(IVsSolution4 solution, Guid identifier)
{
ThreadHelper.ThrowIfNotOnUIThread();
if (solution.TryGetHierarchy(identifier, out IVsHierarchy hierarchy))
{
return(!HierarchyUtilities.IsStubHierarchy(hierarchy));
}
else
{
return(false);
}
}
private static HierarchyNode CreateNode(IVsHierarchy hierarchy, Guid identifier, IVsImageService2 imageService, IVsHierarchyItemManager hierarchyItemManager)
{
ThreadHelper.ThrowIfNotOnUIThread();
ImageMoniker collapsedIcon;
ImageMoniker expandedIcon;
string name;
bool isFolder;
name = HierarchyUtilities.GetHierarchyProperty <string>(
hierarchy,
VSConstants.VSITEMID_ROOT,
(int)__VSHPROPID.VSHPROPID_Name
);
isFolder = HierarchyUtilities.IsSolutionFolder(
hierarchyItemManager.GetHierarchyItem(hierarchy, VSConstants.VSITEMID_ROOT).HierarchyIdentity
);
collapsedIcon = imageService.GetImageMonikerForHierarchyItem(
hierarchy,
VSConstants.VSITEMID_ROOT,
(int)__VSHIERARCHYIMAGEASPECT.HIA_Icon
);
expandedIcon = imageService.GetImageMonikerForHierarchyItem(
hierarchy,
VSConstants.VSITEMID_ROOT,
(int)__VSHIERARCHYIMAGEASPECT.HIA_OpenFolderIcon
);
// Sometimes the icons can be blank.
// In those cases, use some default icons.
if (collapsedIcon.Id == 0 && collapsedIcon.Guid == default)
{
collapsedIcon = isFolder ? KnownMonikers.FolderClosed : KnownMonikers.DocumentCollection;
}
if (expandedIcon.Id == 0 && expandedIcon.Guid == default)
{
expandedIcon = isFolder ? KnownMonikers.FolderOpened : KnownMonikers.DocumentCollection;
}
return(new HierarchyNode(identifier, name, collapsedIcon, expandedIcon)
{
IsLoaded = !HierarchyUtilities.IsStubHierarchy(hierarchy),
IsFolder = isFolder
});
}