public HierarchyItemPair GetActiveHierarchy()
{
return(asyncManager.Run(async() => {
// The VS selection operations must be performed on the UI thread.
await asyncManager.SwitchToMainThread();
var selHier = IntPtr.Zero;
var selContainer = IntPtr.Zero;
uint selId;
IVsMultiItemSelect selMulti;
try {
// Get the current project hierarchy, project item, and selection container for the current selection
// If the selection spans multiple hierarchies, hierarchyPtr is Zero
ErrorHandler.ThrowOnFailure(monitorSelection.GetCurrentSelection(out selHier, out selId, out selMulti, out selContainer));
// There may be no selection at all.
if (selMulti == null && selHier == IntPtr.Zero)
{
return null;
}
// This is a single item selection, so we just grab the owning project/hierarchy.
if (selMulti == null)
{
return new HierarchyItemPair(
(IVsHierarchy)Marshal.GetTypedObjectForIUnknown(selHier, typeof(IVsHierarchy)), VSConstants.VSITEMID_ROOT);
}
// This is a multiple item selection.
// If this is a multiple item selection within the same hierarchy,
// we select the hierarchy too.
uint selCount;
int singleHier;
ErrorHandler.ThrowOnFailure(selMulti.GetSelectionInfo(out selCount, out singleHier));
if (singleHier == 1)
{
return new HierarchyItemPair(
(IVsHierarchy)Marshal.GetTypedObjectForIUnknown(selHier, typeof(IVsHierarchy)), VSConstants.VSITEMID_ROOT);
}
return null;
} finally {
if (selHier != IntPtr.Zero)
{
Marshal.Release(selHier);
}
if (selContainer != IntPtr.Zero)
{
Marshal.Release(selContainer);
}
}
}));
}
public IVsHierarchyItem GetActiveHierarchy()
{
return(asyncManager.Run(async() => {
await asyncManager.SwitchToMainThread();
IVsUIHierarchy uiHier;
if (ErrorHandler.Failed(hierarchyWindow.FindCommonSelectedHierarchy((uint)__VSCOMHIEROPTIONS.COMHIEROPT_RootHierarchyOnly, out uiHier)))
{
return null;
}
return hierarchyManager.GetHierarchyItem(uiHier, VSConstants.VSITEMID_ROOT);
}));
}
public VsShellProvider([Import(typeof(SVsServiceProvider))] IServiceProvider services, IAsyncManager async)
{
vsShell = new Lazy <IVsShell>(() => async.Run(async() => {
await async.SwitchToMainThread();
return(services.GetService <SVsShell, IVsShell>());
}));
}
public VsHierarchyItemManagerProvider([Import(typeof(SVsServiceProvider))] IServiceProvider services, IAsyncManager async)
{
hierarchyManager = new Lazy <IVsHierarchyItemManager> (() => async.Run(async() => {
await async.SwitchToMainThread();
return(services.GetService <SComponentModel, IComponentModel> ().GetService <IVsHierarchyItemManager> ());
}));
}
public VsShellProvider([Import(typeof(SVsServiceProvider))] IServiceProvider services, IAsyncManager async)
{
vsShell = new Lazy<IVsShell>(() => async.Run(async () => {
await async.SwitchToMainThread();
return services.GetService<SVsShell, IVsShell>();
}));
}
public VsHierarchyItemManagerProvider ([Import (typeof (SVsServiceProvider))] IServiceProvider services, IAsyncManager async)
{
hierarchyManager = new Lazy<IVsHierarchyItemManager> (() => async.Run (async () => {
await async.SwitchToMainThread ();
return services.GetService<SComponentModel, IComponentModel> ().GetService<IVsHierarchyItemManager> ();
}));
}
public VsBooleanSymbolExpressionEvaluatorProvider([Import(typeof(SVsServiceProvider))] IServiceProvider services, IAsyncManager async)
{
expressionEvaluator = new Lazy <IVsBooleanSymbolExpressionEvaluator>(() => async.Run(async() =>
{
await async.SwitchToMainThread();
var registry = services.GetService <SLocalRegistry, ILocalRegistry>();
// dev14+ should provide the evaluator using the BooleanSymbolExpressionEvaluator clsid
var value = registry.CreateInstance(BooleanSymbolExpressionEvaluatorClsid) as IVsBooleanSymbolExpressionEvaluator;
if (value == null)
{
// Previous versions of VS provides the service using the VsProjectCapabilityExpressionMatcher interface
value = registry.CreateInstance(typeof(VsProjectCapabilityExpressionMatcher).GUID) as IVsBooleanSymbolExpressionEvaluator;
}
return(value);
}));
}
public VsBooleanSymbolExpressionEvaluatorProvider([Import(typeof(SVsServiceProvider))] IServiceProvider services, IAsyncManager async)
{
expressionEvaluator = new Lazy<IVsBooleanSymbolExpressionEvaluator>(() => async.Run(async () =>
{
await async.SwitchToMainThread();
var registry = services.GetService<SLocalRegistry, ILocalRegistry>();
// dev14+ should provide the evaluator using the BooleanSymbolExpressionEvaluator interface
var value = registry.CreateInstance(typeof(BooleanSymbolExpressionEvaluator).GUID) as IVsBooleanSymbolExpressionEvaluator;
if (value == null)
{
// Previous versions of VS provides the service using the VsProjectCapabilityExpressionMatcher interface
value = registry.CreateInstance(typeof(VsProjectCapabilityExpressionMatcher).GUID) as IVsBooleanSymbolExpressionEvaluator;
}
return value;
}));
}