{ Select menu Project -> Import Type Library
  Find "PDFCreatorPilot Type Library (Version 1.0)".
  Import this type library.
  Add PDFCreatorPilotLib_TLB in the "uses" section.
  Add line:
    PDF: TPDFDocument4;
  in the "var" section.
}

PDF := TPDFDocument4.Create(nil);
PDF.SetLicenseData('demo@demo', 'demo');
{ now PDF object is ready to use }
{ something else goes here... }
PDF.SaveToFile('c:\test.pdf', false);
PDF.Destroy;

/*
 PDFCreatorPilot must be installed in the system.
 (regsvr32 PDFCreatorPilot.dll)
*/

IPDFDocument4* PDF = NULL;
CLSID clsid;

HRESULT hr = CLSIDFromProgID(OLESTR("PDFCreatorPilot.PDFDocument4"), &clsid);
if(hr != S_OK)
{
    // can't load. no such COM installed.
    return;
}

hr = CoCreateInstance(clsid, 0, CLSCTX_ALL, __uuidof(IPDFDocument4), (LPVOID *)&PDF);
if(hr != S_OK)
{
    // can't load. no such COM installed.
    return;
}

PDF->SetLicenseData("demo@demo", "demo");
// now PDF object is ready to use
// something else goes here...
PDF->SaveToFile("c:\\test.pdf", false);

PDF->Release();
PDF = NULL;

/*
 PDFCreatorPilot must be added to project as reference
 (in the COM tab page).
*/

PDFCreatorPilotLib.PDFDocument4Class pdf = new PDFCreatorPilotLib.PDFDocument4Class();
pdf.SetLicenseData("demo@demo", "demo");
// now PDF object is ready to use
// something else goes here...
pdf.SaveToFile(@"c:\test.pdf", false);

pdf = null;

' PDFCreatorPilot must be installed in the system.
' (regsvr32 PDFCreatorPilot.dll)

Set PDF = CreateObject("PDFCreatorPilot.PDFDocument4")
PDF.SetLicenseData "demo@demo", "demo"
' now PDF object is ready to use
' something else goes here...
PDF.SaveToFile "c:\test.pdf", False

Set PDF = nothing