private IVsTextLines EnsureBufferCoordinator()
{
if (_secondaryBuffer != null)
{
return(_secondaryBuffer);
}
var vsTextBuffer = owner.Document.TextBuffer.QueryInterface <IVsTextBuffer>();
IVsEditorAdaptersFactoryService adapterFactory = WebEditor.ExportProvider.GetExport <IVsEditorAdaptersFactoryService>().Value;
_secondaryBuffer = (adapterFactory.GetBufferAdapter(ProjectionBuffer.IProjectionBuffer) as IVsTextLines);
if (_secondaryBuffer == null)
{
_secondaryBuffer = (adapterFactory.CreateVsTextBufferAdapterForSecondaryBuffer(vsTextBuffer.GetServiceProvider(), ProjectionBuffer.IProjectionBuffer) as IVsTextLines);
}
_secondaryBuffer.SetTextBufferData(VSConstants.VsTextBufferUserDataGuid.VsBufferDetectLangSID_guid, false);
_secondaryBuffer.SetTextBufferData(VSConstants.VsTextBufferUserDataGuid.VsBufferMoniker_guid, owner.WorkspaceItem.PhysicalPath);
IOleUndoManager oleUndoManager;
_secondaryBuffer.GetUndoManager(out oleUndoManager);
oleUndoManager.Enable(0);
_textBufferCoordinator = adapterFactory.CreateVsTextBufferCoordinatorAdapter();
vsTextBuffer.SetTextBufferData(HtmlConstants.SID_SBufferCoordinatorServerLanguage, _textBufferCoordinator);
vsTextBuffer.SetTextBufferData(typeof(VsTextBufferCoordinatorClass).GUID, _textBufferCoordinator);
_textBufferCoordinator.SetBuffers(vsTextBuffer as IVsTextLines, _secondaryBuffer);
return(_secondaryBuffer);
}