public FrameListener(VisualStudioActiveDocumentTracker service, IVsWindowFrame frame)
{
_documentTracker = service;
_documentTracker.AssertIsForeground();
this.Frame = frame;
((IVsWindowFrame2)frame).Advise(this, out _frameEventsCookie);
if (
ErrorHandler.Succeeded(
frame.GetProperty((int)__VSFPROPID.VSFPROPID_DocData, out var docData)
)
)
{
if (docData is IVsTextBuffer bufferAdapter)
{
_textBuffer =
_documentTracker._editorAdaptersFactoryService.GetDocumentBuffer(
bufferAdapter
);
if (
_textBuffer != null &&
!_textBuffer.ContentType.IsOfType(ContentTypeNames.RoslynContentType)
)
{
_textBuffer.Changed += NonRoslynTextBuffer_Changed;
}
}
}
}
private int Disconnect()
{
_documentTracker.AssertIsForeground();
_documentTracker.RemoveFrame(this);
if (_textBuffer != null)
{
_textBuffer.Changed -= NonRoslynTextBuffer_Changed;
}
if (_frameEventsCookie != VSConstants.VSCOOKIE_NIL)
{
return(((IVsWindowFrame2)Frame).Unadvise(_frameEventsCookie));
}
else
{
return(VSConstants.S_OK);
}
}
