private static void MarkDocumentAsTemporary(string moniker)
{
IVsRunningDocumentTable docTable = (IVsRunningDocumentTable)
ServiceProvider.GlobalProvider.GetService(typeof(SVsRunningDocumentTable));
uint lockType = (uint)_VSRDTFLAGS.RDT_DontAddToMRU
| (uint)_VSRDTFLAGS.RDT_NonCreatable
| (uint)_VSRDTFLAGS.RDT_VirtualDocument
| (uint)_VSRDTFLAGS.RDT_PlaceHolderDoc;
IVsHierarchy hierarchy;
uint itemid;
uint documentCookie;
IntPtr docData;
int hr = docTable.FindAndLockDocument(
dwRDTLockType: lockType,
pszMkDocument: moniker,
ppHier: out hierarchy,
pitemid: out itemid,
ppunkDocData: out docData,
pdwCookie: out documentCookie
);
CheckError(hr, "FindAndLockDocument");
docTable.ModifyDocumentFlags(documentCookie, lockType, 1);
}