public TView CreateDialog <TView>() where TView : IDialogWindow, new()
{
return(uiThread.Invoke <TView>(CreateDialogImpl <TView>));
}
public static IVsHierarchy GetSelectedHierarchy(this IVsMonitorSelection monitorSelection, IUIThread uiThread)
{
var hierarchyPtr = IntPtr.Zero;
var selectionContainer = IntPtr.Zero;
return uiThread.Invoke(() =>
{
try
{
// Get the current project hierarchy, project item, and selection container for the current selection
// If the selection spans multiple hierarchies, hierarchyPtr is Zero.
// So fast path is for non-zero result (most common case of single active project/item).
uint itemid;
IVsMultiItemSelect multiItemSelect = null;
ErrorHandler.ThrowOnFailure(monitorSelection.GetCurrentSelection(out hierarchyPtr, out itemid, out multiItemSelect, out selectionContainer));
// There may be no selection at all.
if (itemid == VSConstants.VSITEMID_NIL)
return null;
if (itemid == VSConstants.VSITEMID_ROOT)
{
// The root selection could be the solution itself, so no project is active.
if (hierarchyPtr == IntPtr.Zero)
return null;
else
return (IVsHierarchy)Marshal.GetTypedObjectForIUnknown(hierarchyPtr, typeof(IVsHierarchy));
}
// We may have a single item selection, so we can safely pick its owning project/hierarchy.
if (itemid != VSConstants.VSITEMID_SELECTION)
return (IVsHierarchy)Marshal.GetTypedObjectForIUnknown(hierarchyPtr, typeof(IVsHierarchy));
// Otherwise, this is a multiple item selection within the same hierarchy,
// we select he hierarchy.
uint numberOfSelectedItems;
int isSingleHierarchyInt;
ErrorHandler.ThrowOnFailure(multiItemSelect.GetSelectionInfo(out numberOfSelectedItems, out isSingleHierarchyInt));
var isSingleHierarchy = (isSingleHierarchyInt != 0);
if (isSingleHierarchy)
return (IVsHierarchy)Marshal.GetTypedObjectForIUnknown(hierarchyPtr, typeof(IVsHierarchy));
return null;
}
finally
{
if (hierarchyPtr != IntPtr.Zero)
{
Marshal.Release(hierarchyPtr);
}
if (selectionContainer != IntPtr.Zero)
{
Marshal.Release(selectionContainer);
}
}
});
}
public static IEnumerable<Tuple<IVsHierarchy, uint>> GetSelection(this IVsMonitorSelection monitorSelection, IUIThread uiThread, IVsHierarchy solution)
{
var hierarchyPtr = IntPtr.Zero;
var selectionContainer = IntPtr.Zero;
return uiThread.Invoke(() =>
{
try
{
// Get the current project hierarchy, project item, and selection container for the current selection
// If the selection spans multiple hierarchies, hierarchyPtr is Zero
uint itemid;
IVsMultiItemSelect multiItemSelect = null;
ErrorHandler.ThrowOnFailure(monitorSelection.GetCurrentSelection(out hierarchyPtr, out itemid, out multiItemSelect, out selectionContainer));
if (itemid == VSConstants.VSITEMID_NIL)
return Enumerable.Empty<Tuple<IVsHierarchy, uint>>();
if (itemid == VSConstants.VSITEMID_ROOT)
{
if (hierarchyPtr == IntPtr.Zero)
return new[] { Tuple.Create(solution, VSConstants.VSITEMID_ROOT) };
else
return new[] { Tuple.Create(
(IVsHierarchy)Marshal.GetTypedObjectForIUnknown(hierarchyPtr, typeof(IVsHierarchy)),
VSConstants.VSITEMID_ROOT) };
}
if (itemid != VSConstants.VSITEMID_SELECTION)
return new[] { Tuple.Create(
(IVsHierarchy)Marshal.GetTypedObjectForIUnknown(hierarchyPtr, typeof(IVsHierarchy)),
itemid) };
// This is a multiple item selection.
uint numberOfSelectedItems;
int isSingleHierarchyInt;
ErrorHandler.ThrowOnFailure(multiItemSelect.GetSelectionInfo(out numberOfSelectedItems, out isSingleHierarchyInt));
var isSingleHierarchy = (isSingleHierarchyInt != 0);
var vsItemSelections = new VSITEMSELECTION[numberOfSelectedItems];
var flags = (isSingleHierarchy) ? (uint)__VSGSIFLAGS.GSI_fOmitHierPtrs : 0;
ErrorHandler.ThrowOnFailure(multiItemSelect.GetSelectedItems(flags, numberOfSelectedItems, vsItemSelections));
return vsItemSelections.Where(sel => sel.pHier != null)
// NOTE: we can return lazy results here, since
// the GetSelectedItems has already returned in the UI thread
// the array of results. We're just delaying the creation of the tuples
// in case they aren't all needed.
.Select(sel => Tuple.Create(sel.pHier, sel.itemid));
}
finally
{
if (hierarchyPtr != IntPtr.Zero)
{
Marshal.Release(hierarchyPtr);
}
if (selectionContainer != IntPtr.Zero)
{
Marshal.Release(selectionContainer);
}
}
});
}
public static IVsHierarchy GetSelectedHierarchy(this IVsMonitorSelection monitorSelection, IUIThread uiThread)
{
var hierarchyPtr = IntPtr.Zero;
var selectionContainer = IntPtr.Zero;
return(uiThread.Invoke(() =>
{
try
{
// Get the current project hierarchy, project item, and selection container for the current selection
// If the selection spans multiple hierarchies, hierarchyPtr is Zero.
// So fast path is for non-zero result (most common case of single active project/item).
uint itemid;
IVsMultiItemSelect multiItemSelect = null;
ErrorHandler.ThrowOnFailure(monitorSelection.GetCurrentSelection(out hierarchyPtr, out itemid, out multiItemSelect, out selectionContainer));
// There may be no selection at all.
if (itemid == VSConstants.VSITEMID_NIL)
{
return null;
}
if (itemid == VSConstants.VSITEMID_ROOT)
{
// The root selection could be the solution itself, so no project is active.
if (hierarchyPtr == IntPtr.Zero)
{
return null;
}
else
{
return (IVsHierarchy)Marshal.GetTypedObjectForIUnknown(hierarchyPtr, typeof(IVsHierarchy));
}
}
// We may have a single item selection, so we can safely pick its owning project/hierarchy.
if (itemid != VSConstants.VSITEMID_SELECTION)
{
return (IVsHierarchy)Marshal.GetTypedObjectForIUnknown(hierarchyPtr, typeof(IVsHierarchy));
}
// Otherwise, this is a multiple item selection within the same hierarchy,
// we select he hierarchy.
uint numberOfSelectedItems;
int isSingleHierarchyInt;
ErrorHandler.ThrowOnFailure(multiItemSelect.GetSelectionInfo(out numberOfSelectedItems, out isSingleHierarchyInt));
var isSingleHierarchy = (isSingleHierarchyInt != 0);
if (isSingleHierarchy)
{
return (IVsHierarchy)Marshal.GetTypedObjectForIUnknown(hierarchyPtr, typeof(IVsHierarchy));
}
return null;
}
finally
{
if (hierarchyPtr != IntPtr.Zero)
{
Marshal.Release(hierarchyPtr);
}
if (selectionContainer != IntPtr.Zero)
{
Marshal.Release(selectionContainer);
}
}
}));
}
