Teledyne LeCroy USB Analyzer Automation Manual - Manual (Page 118)

Teledyne LeCroy Automation API Reference Manual for USBTracer, USB Advisor, and Voyager USB Protocol
Suite
118
HRESULT OnTraceCreated (
[in] IDispatch* trace );
Fired when trace is created.
This event is a result of an IAnalyzer::StartRecording or IAnalyzer::StopRecording method call.
Parameters
trace Address of a pointer to the UsbTrace object primary interface
Return values
Remarks
Make sure the event handlers have __stdcall calling convention.
Example
VBScript:
<OBJECT
ID = Analyzer
CLASSID = "clsid:0B179BB3-DC61-11d4-9B71-000102566088" >
</OBJECT>
<P ALIGN=LEFT ID=StatusText></P>
<SCRIPT LANGUAGE="VBScript">
<!--
Dim CurrentTrace
Sub Analyzer_OnTraceCreated(ByRef Trace)
On Error Resume Next
Set CurrentTrace = Trace
If Err.Number <> 0 Then
MsgBox Err.Number & ":" & Err.Description
End If
StatusText.innerText = "Trace '" & CurrentTrace.GetName & "' created"
End Sub
-->
</SCRIPT>
C++:
HRESULT __stdcall OnTraceCreated( IDispatch* trace )
{
IUsbTrace* usb_trace;
HRESULT hr;
hr = trace->QueryInterface( IID_IUsbTrace, (void**)&usb_trace );
if (FAILED(hr))
{
_com_error er(hr);
if (er.Description().length() > 0)
::MessageBox( NULL, er.Description(), _T("UsbAnalyzer client"), MB_OK );
else
::MessageBox( NULL, er.ErrorMessage(),_T("UsbAnalyzer client"), MB_OK );
return hr;
}
. . .
return hr;
}
9.1.2 _IAnalyzerEvents::OnStatusReport