Teledyne-lecroy SAS_SATA Tracer_Trainer Automation API Manual Uživatelský manuál stáhnout pdf (Strana 11)

LeCroy Corporation Automation API for SAS/SATATracer/Trainer Manual Version 1.11

3.1.2 ISASAnalyzer::OpenFile

HRESULT OpenFile (

[in] BSTR file_name,

[out, retval] IDispatch** trace );

Opens trace file and creates the SASTrace object.

Parameters

file_name String providing the full pathname to the trace file

trace Address of a pointer to the SASTrace object interface

Return values

ANALYZERCOMERROR_UNABLEOPENFILE – unable to open file

Remarks

SASTrace object is created via this method call, if call was successful.

Example

WSH:

CurrentDir = Left(WScript.ScriptFullName, InstrRev(WScript.ScriptFullName, "\"))

Set Analyzer = WScript.CreateObject("Lecroy.SASAnalyzer ")

Set Trace = Analyzer.OpenFile (CurrentDir & "Input\errors.sat")

C++:

HRESULT hr;

ISASAnalyzer* poSASAnalyzer;

// create SASAnalyzer object

if ( FAILED( CoCreateInstance(

CLSID_SASAnalyzer,

NULL, CLSCTX_SERVER,

IID_ISASAnalyzer,

(LPVOID *)&poSASAnalyzer ) )

return;

// Open trace file.

IDispatch* trace;

try

{

trace = poSASAnalyzer->OpenFile( m_szRecFileName );

}

catch (_com_error& er)

{

if (er.Description().length() > 0)

::MessageBox( NULL, er.Description(), _T("SASTracer client"), MB_OK );

else

::MessageBox( NULL, er.ErrorMessage(), _T("SASTracer client"), MB_OK );

return 1;

}

// query for VTBL interface

ISASTrace* SAS_trace;

hr = trace->QueryInterface( IID_ISASTrace, (LPVOID *)&SAS_trace );

trace->Release();

if( FAILED(hr) )

return;

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