public int GetProximityExpressions(IVsTextBuffer pBuffer, int iLine, int iCol, int cLines, out IVsEnumBSTR?ppEnum)
{
var textBuffer = _editorAdaptersFactory.GetDataBuffer(pBuffer);
if (textBuffer is null)
{
// Can't resolve the text buffer, let someone else deal with this breakpoint.
ppEnum = null;
return(VSConstants.E_NOTIMPL);
}
var snapshot = textBuffer.CurrentSnapshot;
if (!ValidateLocation(snapshot, iLine, iCol))
{
// The point disappeared between sessions. Do not evaluate proximity expressions here.
ppEnum = null;
return(VSConstants.E_FAIL);
}
var proximityExpressions = _uiThreadOperationExecutor.Execute(
title: Resources.ProximityExpression_Dialog_Title,
description: Resources.ProximityExpression_Dialog_Description,
allowCancellation: true,
showProgress: true,
(cancellationToken) => _proximityExpressionResolver.TryResolveProximityExpressionsAsync(textBuffer, iLine, iCol, cancellationToken), _joinableTaskFactory);
if (proximityExpressions is null)
{
ppEnum = null;
return(VSConstants.E_FAIL);
}
ppEnum = new VsEnumBSTR(proximityExpressions);
return(VSConstants.S_OK);
}
public int Clone(out IVsEnumBSTR ppEnum)
{
ppEnum = new VsEnumBSTR(Values);
return(VSConstants.S_OK);
}