public static async Task <IVsHierarchy> ToVsHierarchyAsync(this EnvDTE.Project project)
{
await NuGetUIThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
IVsHierarchy hierarchy;
// Get the vs solution
var solution = await ServiceLocator.GetInstanceAsync <IVsSolution>();
int hr = solution.GetProjectOfUniqueName(project.GetUniqueName(), out hierarchy);
if (hr != VSConstants.S_OK)
{
Marshal.ThrowExceptionForHR(hr);
}
return(hierarchy);
}
public static async Task CollapseAllNodesAsync(IDictionary <string, ISet <VsHierarchyItem> > ignoreNodes)
{
Common.Verify.ArgumentIsNotNull(ignoreNodes, nameof(ignoreNodes));
await NuGetUIThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
var dte = await ServiceLocator.GetInstanceAsync <EnvDTE.DTE>();
var projects = dte.Solution.Projects;
foreach (var project in projects.Cast <EnvDTE.Project>())
{
ISet <VsHierarchyItem> expandedNodes;
if (ignoreNodes.TryGetValue(project.GetUniqueName(), out expandedNodes)
&&
expandedNodes != null)
{
await CollapseProjectHierarchyItemsAsync(project, expandedNodes);
}
}
}
public static async TaskExpandedNodes GetAllExpandedNodesAsync()
{
// this operation needs to execute on UI thread
await NuGetUIThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
var dte = await ServiceLocator.GetInstanceAsync <EnvDTE.DTE>();
var projects = dte.Solution.Projects;
var results = new Dictionary <string, ISet <VsHierarchyItem> >(StringComparer.OrdinalIgnoreCase);
foreach (var project in projects.Cast <EnvDTE.Project>())
{
var expandedNodes =
await GetExpandedProjectHierarchyItemsAsync(project);
Debug.Assert(!results.ContainsKey(project.GetUniqueName()));
results[project.GetUniqueName()] =
new HashSet <VsHierarchyItem>(expandedNodes);
}
return(results);
}
