BOOL CEnBrowserCtrl::SafeExecWB(long cmdID, long cmdexecopt, VARIANT* pvaIn, VARIANT* pvaOut)
{
try
{
ExecWB(cmdID, cmdexecopt, pvaIn, pvaOut);
}
catch (CException* /*e*/)
{
// fallback for unhandled options
switch (cmdID)
{
case OLECMDID_PRINT2:
return SafeExecWB(OLECMDID_PRINT, cmdexecopt, pvaIn, pvaOut);
case OLECMDID_PRINTPREVIEW2:
return SafeExecWB(OLECMDID_PRINTPREVIEW, cmdexecopt, pvaIn, pvaOut);
default:;
// fall thru
}
return FALSE;
}
return TRUE;
}
void CEnBrowserCtrl::OnNavigateComplete2(LPDISPATCH /*pDisp*/, VARIANT FAR* /*URL*/)
{
switch (m_nAction)
{
case EBC_PRINT:
SafeExecWB(OLECMDID_PRINT, OLECMDEXECOPT_DODEFAULT, NULL, NULL);
break;
case EBC_PRINTPREVIEW:
SafeExecWB(OLECMDID_PRINTPREVIEW, OLECMDEXECOPT_DODEFAULT, NULL, NULL);
break;
}
m_nAction = EBC_NONE;
}
void CEnBrowserCtrl::OnNavigateComplete2(LPDISPATCH /*pDisp*/, VARIANT FAR* URL)
{
CString sURL;
_bstr_t sTemp;
sTemp = *URL;
sURL = CString(LPCTSTR(sTemp));
switch (m_nAction)
{
case EBC_PRINT:
SafeExecWB(OLECMDID_PRINT, OLECMDEXECOPT_DODEFAULT, NULL, NULL);
break;
case EBC_PRINTPREVIEW:
SafeExecWB(OLECMDID_PRINTPREVIEW, OLECMDEXECOPT_DODEFAULT, NULL, NULL);
break;
}
m_nAction = EBC_NONE;
}
void CEnBrowserCtrl::PrintPreview(LPCTSTR szFile)
{
if (!szFile || !*szFile)
SafeExecWB(OLECMDID_PRINTPREVIEW, OLECMDEXECOPT_DODEFAULT, NULL, NULL);
else
{
COleVariant vFlags(0L), vFrame(_T("")), vData(_T("")), vHeaders(_T(""));
// navigate to print file
m_nAction = EBC_PRINTPREVIEW;
Navigate(szFile, vFlags, vFrame, vData, vHeaders);
}
}
