Expression FindUnderMousePointer(EnvDTE.Debugger debugger, MouseHoverEventArgs e)
{
var point = e.TextPosition.GetPoint(e.TextPosition.AnchorBuffer, PositionAffinity.Predecessor);
if (!point.HasValue)
{
return null;
}
SnapshotSpan span;
var name = GetVariableNameAndSpan(point.Value, out span);
if (name == null)
{
return null;
}
var expression = debugger.GetExpression(name);
if (!expression.IsValidValue)
{
return null;
}
return expression;
}