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Code: Select all

Dim sFile As String = "C:\sample.pdf"
Dim pAuthCallback As LIBNAME.IPXC_DocAuthCallback = Nothing

Try
     pdfInst.OpenDocumentFromFile(sFile, pAuthCallback)
Catch ex As Exception
      Dim hr As Integer = Marshal.GetHRForException(ex)
       ShowErrMsg(hr)
End Try

Code: Select all

private void OpenDocumentFromFileSample(string sFilePath, LIBNAME.IPXC_Inst pInst)
{
	LIBNAME.IPXC_Document pDoc = pInst.OpenDocumentFromFile(sFilePath, null, null, 0, 0);
}

Code: Select all

class CDocAuthCallback : LIBNAME.IPXC_DocAuthCallback
{
	public LIBNAME.IPXS_Inst m_pxsInst = null;
	public void AuthDoc(LIBNAME.IPXC_Document pDoc, uint nFlags)
	{
		if ((pDoc == null) || (m_pxsInst == null))
		{
			return;//throw new COMException("", VSConstants.E_INVALIDARG);
		}
		//Checking whether the document has any security
		UInt32 nNameAtom = pDoc.GetSecurityHandlerType(false);
		if (nNameAtom == 0)
		{
			//No security so successfully opened doc
			//...
			return;//throw new COMException("", VSConstants.S_OK);
		}
		//Else we must provide a password
		UInt32 nStandard = m_pxsInst.StrToAtom("Standard");
		LIBNAME.PXC_PermStatus status = LIBNAME.PXC_PermStatus.Perm_ReqGranted;
		//Comparing whether the security handler type is Standard
		if (nStandard != nNameAtom)
		{
			//We do not support this one
			return;//throw new COMException("", VSConstants.E_INVALIDARG);
		}
		status = pDoc.AuthorizeWithPassword("YourPasswordHere");
		if (status != LIBNAME.PXC_PermStatus.Perm_ReqGranted)
		{
			//We don't have permission to open doc
			return;//throw new COMException("", VSConstants.E_NOTIMPL);
		}
	}
}

private void OpenDocumentFromFileSample(string sFilePath, LIBNAME.IPXC_Inst pInst)
{
			
	//Getting IPXS_Inst if you don't have it
	LIBNAME.IPXS_Inst pSInt = (LIBNAME.IPXS_Inst)pInst.GetExtension("PXS");

	CDocAuthCallback clbk = new CDocAuthCallback();
	clbk.m_pxsInst = pSInt;

	LIBNAME.IPXC_Document pDoc = pInst.OpenDocumentFromFile(sFilePath, clbk, null, 0, 0);
}