private async Task NotifyLegacyProjectSystemAsync(
ProjectId projectId,
IEnumerable <DesignerAttributeData> data,
CancellationToken cancellationToken)
{
// legacy project system can only be talked to on the UI thread.
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(alwaysYield : true, cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
AssertIsForeground();
var designerService = _legacyDesignerService ??= (IVSMDDesignerService)_serviceProvider.GetService(typeof(SVSMDDesignerService));
if (designerService == null)
{
return;
}
var hierarchy = _workspace.GetHierarchy(projectId);
if (hierarchy == null)
{
return;
}
foreach (var info in data)
{
cancellationToken.ThrowIfCancellationRequested();
NotifyLegacyProjectSystemOnUIThread(designerService, hierarchy, info);
}
}
public static bool TryGetImageListAndIndex(this VisualStudioWorkspaceImpl workspace, IVsImageService2 imageService, ProjectId id, out IntPtr imageList, out ushort index)
{
var hierarchy = workspace.GetHierarchy(id);
if (hierarchy != null)
{
return(TryGetImageListAndIndex(hierarchy, imageService, VSConstants.VSITEMID_ROOT, out imageList, out index));
}
imageList = default;
index = 0;
return(false);
}
public static bool TryGetImageListAndIndex(this VisualStudioWorkspaceImpl workspace, IVsImageService2 imageService, DocumentId id, out IntPtr imageList, out ushort index)
{
var hierarchy = workspace.GetHierarchy(id.ProjectId);
var document = workspace.CurrentSolution.GetDocument(id);
if (hierarchy != null)
{
var itemId = hierarchy.TryGetItemId(document.FilePath);
return(TryGetImageListAndIndex(hierarchy, imageService, itemId, out imageList, out index));
}
imageList = default;
index = 0;
return(false);
}