IVsTextLines GetTextBuffer(IntPtr docDataExisting)
{
IVsTextLines textLines;
if (docDataExisting == IntPtr.Zero)
{
// Create a new IVsTextLines buffer.
//
Type textLinesType = typeof(IVsTextLines);
Guid riid = textLinesType.GUID;
Guid clsid = typeof(VsTextBufferClass).GUID;
textLines = _package.CreateInstance(ref clsid, ref riid, textLinesType) as IVsTextLines;
// Set the buffer's site/
//
((IObjectWithSite)textLines).SetSite(_serviceProvider.GetService(typeof(IOleServiceProvider)));
}
else
{
// Use the existing text buffer.
//
Object dataObject = Marshal.GetObjectForIUnknown(docDataExisting);
textLines = dataObject as IVsTextLines;
if (textLines == null)
{
// Try get the text buffer from textbuffer provider.
//
IVsTextBufferProvider textBufferProvider = dataObject as IVsTextBufferProvider;
if (textBufferProvider != null)
{
textBufferProvider.GetTextBuffer(out textLines);
}
}
if (textLines == null)
{
// Unknown docData type then, so we have to force VS to close the other editor.
//
ErrorHandler.ThrowOnFailure(VSConstants.VS_E_INCOMPATIBLEDOCDATA);
}
}
return(textLines);
}
IVsSmartTagTipWindow GetSmartTagTipWindow()
{
NemerlePackage pkg = Package;
if (_smartTagWin == null)
{
Type typeSTagWin = typeof(VsSmartTagTipWindowClass);
Guid clsidSTagWin = typeSTagWin.GUID;
Guid iidSTagWin = typeof(IVsSmartTagTipWindow).GUID;
_smartTagWin = (IVsSmartTagTipWindow)pkg.CreateInstance(ref clsidSTagWin, ref iidSTagWin, typeSTagWin);
Debug.Assert(_smartTagWin != null);
}
return(_smartTagWin);
}