Using PDF to Image SDK in C++ Builder - Problem solved

Meanwhile the problem was solved (called implib again).

We are looking for a conversion tool with high quality results.
PDFTron pdf2image converter seems to be by the best we have ever tested.

Since our final application shall be a Windows32 service, we now we have tried to include the SDK version into > our C++Builder (2010) environment. Unfortunately the linker does not find the dll-funktions.

Is there any help like modifying the h-file or the lib-file (we have already run the implib fuction)?
Any suggestion will be appreciated.