public static void OpenItem(ServiceProvider site, bool newFile, bool openWith, ref Guid logicalView,
IntPtr punkDocDataExisting, IVsHierarchy pHierarchy,
uint hierarchyId, out IVsWindowFrame windowFrame)
{
windowFrame = null;
IntPtr docData = punkDocDataExisting;
try {
uint itemid = hierarchyId;
object pvar;
pHierarchy.GetProperty(hierarchyId, (int)__VSHPROPID.VSHPROPID_Caption, out pvar);
string caption = (string)pvar;
string fullPath = null;
if (punkDocDataExisting != IntPtr.Zero)
{
try {
// if interface is not supported, return null
IPersistFileFormat pff = (IPersistFileFormat)Marshal.GetTypedObjectForIUnknown(punkDocDataExisting, typeof(IPersistFileFormat));
uint format;
pff.GetCurFile(out fullPath, out format);
}
catch {
};
}
if (fullPath == null)
{
string dir;
pHierarchy.GetProperty((uint)VsConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ProjectDir, out pvar);
dir = (string)pvar;
pHierarchy.GetProperty(hierarchyId, (int)__VSHPROPID.VSHPROPID_SaveName, out pvar);
fullPath = dir != null?Path.Combine(dir, (string)pvar) : (string)pvar;
}
IVsUIHierarchy pRootHierarchy = null;
pHierarchy.GetProperty((uint)VsConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_Root, out pvar);
IntPtr ptr;
if (pvar == null)
{
pRootHierarchy = (IVsUIHierarchy)pHierarchy;
}
else
{
ptr = (IntPtr)pvar;
pRootHierarchy = (IVsUIHierarchy)Marshal.GetTypedObjectForIUnknown(ptr, typeof(IVsUIHierarchy));
Marshal.Release(ptr);
}
IVsUIHierarchy pVsUIHierarchy = pRootHierarchy;
IVsUIShellOpenDocument doc = (IVsUIShellOpenDocument)site.QueryService(VsConstants.SID_VsUIShellOpenDocument, typeof(IVsUIShellOpenDocument));
const uint OSE_ChooseBestStdEditor = 0x20000000;
const uint OSE_UseOpenWithDialog = 0x10000000;
const uint OSE_OpenAsNewFile = 0x40000000;
if (openWith)
{
doc.OpenStandardEditor(OSE_UseOpenWithDialog, fullPath, ref logicalView, caption,
pVsUIHierarchy, itemid, docData, site.Unwrap(), out windowFrame);
}
else
{
// First we see if someone else has opened the requested view of the file and if so,
// simply activate that view.
IVsRunningDocumentTable pRDT = (IVsRunningDocumentTable)site.QueryService(VsConstants.SID_SVsRunningDocumentTable, typeof(IVsRunningDocumentTable));
if (pRDT != null)
{
uint docCookie;
IVsHierarchy ppIVsHierarchy;
pRDT.FindAndLockDocument((uint)_VSRDTFLAGS.RDT_NoLock,
fullPath, out ppIVsHierarchy, out itemid, out docData, out docCookie);
if (ppIVsHierarchy != null && docCookie != VsConstants.VSDOCCOOKIE_NIL &&
pHierarchy != ppIVsHierarchy && pVsUIHierarchy != ppIVsHierarchy)
{
// not opened by us, so call IsDocumentOpen with the right IVsUIHierarchy so we avoid the
// annoying "This document is opened by another project" message prompt.
pVsUIHierarchy = (IVsUIHierarchy)ppIVsHierarchy;
itemid = (uint)VsConstants.VSITEMID_SELECTION;
}
ppIVsHierarchy = null;
}
IVsUIHierarchy ppHierOpen;
uint pitemidOpen;
int pfOpen;
doc.IsDocumentOpen(pVsUIHierarchy, itemid, fullPath,
ref logicalView, (uint)__VSIDOFLAGS.IDO_ActivateIfOpen,
out ppHierOpen, out pitemidOpen, out windowFrame, out pfOpen);
if (pfOpen != 1)
{
uint openFlags = OSE_ChooseBestStdEditor;
if (newFile)
{
openFlags |= OSE_OpenAsNewFile;
}
//NOTE: we MUST pass the IVsProject in pVsUIHierarchy and the itemid
// of the node being opened, otherwise the debugger doesn't work.
doc.OpenStandardEditor(openFlags, fullPath, ref logicalView, caption,
pRootHierarchy, hierarchyId, docData,
site.Unwrap(), out windowFrame);
if (windowFrame != null)
{
if (newFile)
{
object var;
windowFrame.GetProperty((int)__VSFPROPID.VSFPROPID_DocData, out var);
IVsPersistDocData ppd = (IVsPersistDocData)var;
ppd.SetUntitledDocPath(fullPath);
}
}
}
}
if (windowFrame != null)
{
windowFrame.Show();
}
} catch (COMException e) {
if ((uint)e.ErrorCode != (uint)OleErrors.OLE_E_PROMPTSAVECANCELLED)
{
#if DEBUG
MessageBox.Show(e.Message);
#endif
}
} catch (Exception e) {
#if DEBUG
MessageBox.Show(e.Message);
#endif
}
if (docData != punkDocDataExisting)
{
Marshal.Release(docData);
}
}
