WinAPI compile problem

[Vuk Maric (VukMar)]

Hi everyone I have a problem with my compiler( I Think! ), it worked fine so far but I started adding complexity to my application and problems started to arise. I created a basic application and wanted to give it a more pleasant graphical look. But compiler started complaining with undefined reference errors. Like " undefined reference to `__imp_CreatePatternBrush' ". I'm using VS code with MinGW compiler. here is a test example code of my problem:

 #include <windows.h>
  #include <wingdi.h>

  HBITMAP bitmap = (HBITMAP)LoadImage(NULL, "D:/VS Code Vuk/Savings Alpha02/Images/MainBackground.bmp", 
  IMAGE_BITMAP, 640, 360, LR_LOADFROMFILE);


  LRESULT CALLBACK wproc(HWND hMain, UINT msg, WPARAM wp, LPARAM lp)
  {
    switch(msg)
    {
        case WM_CREATE:
            break;
        case WM_DESTROY:
            PostQuitMessage(0);
            break;
        default:
            return DefWindowProc(hMain, msg, wp, lp);
    }
    return 0;
}

int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR args, int cmdShow)
{
    WNDCLASS wc;
    HBRUSH hbr = CreatePatternBrush(bitmap);
    wc.hbrBackground = hbr;
    wc.lpszClassName = "testwindow";
    wc.hInstance = hInst;
    wc.lpfnWndProc = wproc;


    if(!RegisterClass(&wc))
    { 
        if(MessageBox(NULL, "Class Not Registered!", NULL, MB_OK))
    }
    CreateWindow("testwindow", "WORKS!", CS_VREDRAW | CS_HREDRAW, 0, 0, 640, 360, NULL, NULL, hInst, NULL);
    MSG msg;

    while(GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    
    return 0;

}

The error is:
" C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/11.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: C:\Users\vuksm\AppData\Local\Temp\cc8sot0T.o:win32test.cpp:(.text+0x89): undefined reference to `__imp_CreatePatternBrush' "

Thanks in advance for help.