'c++ Magnifier, MagSetWindowTransform returning false

Ive setup two windows,

First window:

hwnd = CreateWindowEx(WS_EX_TOPMOST | WS_EX_TRANSPARENT | WS_EX_LAYERED, wc.lpszClassName, skCrypt(_T("main window")), WS_POPUP | WS_CLIPCHILDREN, rect.left, rect.top, widthh, heightt, nullptr, nullptr, NULL, nullptr);

Second Window:

RegisterClassEx(&wc2);
magHwnd = CreateWindow(WC_MAGNIFIER, skCrypt(_T("gjinhoiuahsrohiua")), WS_VISIBLE | WS_CHILD, 
                                    a1-125, a2-125, //Center of screen
                                    250, 250, 
                                    hwnd, //The first window
                                    NULL, wc2.hInstance, NULL);

wc2:

WNDCLASSEX wc2 = {
    sizeof(WNDCLASSEX),
    CS_CLASSDC,
    WndProc,
    0L,
    0L,
    GetModuleHandle(NULL),
    NULL,
    NULL, NULL,
    NULL,
    _T("Magnifier"),
    NULL
};

These two windows are working fine.

In my magnification function:

if (MagInitialize()) {
        { //Setting mag factor
            MAGTRANSFORM matrix;
            memset(&matrix, 0, sizeof(matrix)); //Clear matrix
            //n = mag factor
            matrix.v[0][0] = 2.5f;
            matrix.v[1][1] = 2.5f;
            matrix.v[2][2] = 1.f;
            bool factorDone = MagSetWindowTransform(magHwnd, &matrix);
            if (!factorDone) {
                Beep(600, 600);
            }
        }

    }

MagSetWindowTransform is always returning false, ive been looking into this for hours but im honestly stuck. Any help i would be thankful for

c++


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