Data Sheet

Teledyne LeCroy Automation API Reference Manual for USBTracer, USB Advisor, and Voyager USB Protocol

Suite

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.