function DspCollection: TMtxCollection;
Returns a pointer to the collection of items connnecting TSignal, TSignalList, TSpectrum and TSpectrumList descendants to the TChart descendants.
Returns: TMtxCollection
Returns a pointer to the collection of items connnecting TSignal, TSignalList, TSpectrum and TSpectrumList descendants to the TChart descendants.
Returns: TMtxCollection