namespace pv {
+namespace data {
+class SignalBase;
+}
+
namespace widgets {
class Popup;
}
Trace(shared_ptr<data::SignalBase> channel);
public:
+ /**
+ * Returns the underlying SignalBase instance.
+ */
+ shared_ptr<data::SignalBase> base() const;
+
/**
* Sets the name of the signal.
*/