public string GetExpression(int offset)
{
string fileName = View.ContentName;
if (fileName == null)
{
fileName = View.UntitledName;
}
IExpressionFinder expressionFinder = ProjectDomService.GetExpressionFinder(fileName);
string expression = expressionFinder == null?GetExpressionBeforeOffset(offset) : expressionFinder.FindFullExpression(Document.Text, offset).Expression;
if (expression == null)
{
return(string.Empty);
}
else
{
return(expression.Trim());
}
}