/// <summary>
/// Get export
/// </summary>
internal static T GetExport <T>(IVsHierarchy hier)
{
System.IServiceProvider sp = new Shell.ServiceProvider((OLE.Interop.IServiceProvider)hier.GetDTEProject().DTE);
IComponentModel compMode = sp.GetService <IComponentModel, SComponentModel>();
return(compMode.DefaultExportProvider.GetExport <T>().Value);
}
private async Task <IProjectItemDesignerTypeUpdateService?> GetUpdateServiceIfCpsProjectAsync(
ProjectId projectId, CancellationToken cancellationToken)
{
if (!_cpsProjects.TryGetValue(projectId, out var updateService))
{
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(alwaysYield : true, cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
this.AssertIsForeground();
updateService = ComputeUpdateService();
_cpsProjects.TryAdd(projectId, updateService);
}
return(updateService);
IProjectItemDesignerTypeUpdateService?ComputeUpdateService()
{
if (!_workspace.IsCPSProject(projectId))
{
return(null);
}
var vsProject = (IVsProject?)_workspace.GetHierarchy(projectId);
if (vsProject == null)
{
return(null);
}
if (ErrorHandler.Failed(vsProject.GetItemContext((uint)VSConstants.VSITEMID.Root, out var projectServiceProvider)))
{
return(null);
}
var serviceProvider = new Shell.ServiceProvider(projectServiceProvider);
return(serviceProvider.GetService(typeof(IProjectItemDesignerTypeUpdateService)) as IProjectItemDesignerTypeUpdateService);
}
}
private async Task <IProjectItemDesignerTypeUpdateService> GetUpdateServiceIfCpsProjectAsync(Project project, CancellationToken cancellationToken)
{
if (_cpsProjects.TryGetValue(project.Id, out var value))
{
return(value);
}
var vsWorkspace = project.Solution.Workspace as VisualStudioWorkspaceImpl;
await ThreadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(alwaysYield : true, cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
if (!vsWorkspace.IsCPSProject(project))
{
_cpsProjects.TryAdd(project.Id, null);
return(null);
}
var vsProject = (IVsProject)vsWorkspace.GetHierarchy(project.Id);
if (ErrorHandler.Failed(vsProject.GetItemContext((uint)VSConstants.VSITEMID.Root, out var projectServiceProvider)))
{
_cpsProjects.TryAdd(project.Id, null);
return(null);
}
var serviceProvider = new Shell.ServiceProvider(projectServiceProvider);
var updateService = serviceProvider.GetService(typeof(IProjectItemDesignerTypeUpdateService)) as IProjectItemDesignerTypeUpdateService;
if (updateService == null)
{
_cpsProjects.TryAdd(project.Id, null);
return(null);
}
_cpsProjects[project.Id] = updateService;
return(updateService);
}