Teledyne LeCroy USB Analyzer Automation Manual - Manual (Page 11)

Teledyne LeCroy Automation API Reference Manual for USBTracer, USB Advisor, and Voyager USB Protocol
Suite
11
2.1.3 IAnalyzer::OpenFile
HRESULT OpenFile (
[in] BSTR file_name,
[out, retval] IDispatch** trace );
Opens a trace file.
Parameters
file_name String providing the full pathname to the trace file
trace Address of a pointer to the UsbTrace object primary interface
Return values
ANALYZERCOMERROR_UNABLEOPENFILE Unable to open file.
ANALYZERCOMERROR_WRONGCALL
Error when trying to access the
opened trace when it is being
released and destroyed.
Remarks
UsbTrace object is created via this method call, if call was successful.
In rare cases, the method may return ANALYZERCOMERROR_WRONGCALL
error. This may happen when
client code is trying to open an already opened trace file, while it is being released and destroyed.
Subsequent method calls will reopen the trace file.