ITDetectTone::get_Duration method (tapi3if.h)

The get_Duration method retrieves the length of time during which a tone should be present before the TAPI Server generates a tone event.

Syntax

HRESULT get_Duration(
  [out] long *plDuration
);

[out] plDuration

Pointer to a value that receives the tone duration, in milliseconds, during which the specified tone should be present.

This method can return one of these values.

Return code	Description
S_OK	Method succeeded.
E_POINTER	The plDuration parameter is not a valid pointer.