undefined reference for dcmtk libraries

I'm trying to link dcmtk libraries for developing application for DICOM images. However, I cannot link those external libraries - I get the error message:

Quote:

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C:\Users\Donn\Documents\untitled1\main.cpp:10: error: undefined reference to `DicomImage::DicomImage(char const*, unsigned long, unsigned long, unsigned long)'

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main.cpp:

Code:

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#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmdata/dctk.h"
#include "dcmtk/dcmimgle/dcmimage.h"
#include "iostream"
 
int main(int argc, char *argv[])
{
 
    DicomImage *image = new DicomImage("test.dcm");
    if (image != NULL){
        std::cout << "hell yeah!";
    }
 
    return 0;
}

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.pro file:

Code:

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#-------------------------------------------------
#
# Project created by QtCreator 2016-02-18T19:16:51
#
#-------------------------------------------------
 
QT       += core gui
 
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
TARGET = untitled1
TEMPLATE = app
 
SOURCES += main.cpp
 
#--------------------------------
CONFIG += c++11
#--------------------------------
INCLUDEPATH += C:/DCMTK/include
 
LIBS += -L"C:/DCMTK/lib" -lAdvAPI32 -ldcmimgle -ldcmdata -loflog -lofstd -lWS2_32 -lNetAPI32 -lWSock32
 
#----------------------------------

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How to fix this problem? I even tried to delete the LIBS line and still I get the same effect. Looks like those libraries are not linked at all.

I am too facing the same problem. Can somebody suggest a method to solve the error:
The error is:
error: undefined reference to `DicomImage::DicomImage(char const*, unsigned long, unsigned long, unsigned long)'