Не создаётся окно! - C++ WinAPI - Ответ 12043304

#include <windows.h>
#include <tchar.h>
 
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
    PSTR szCmdLine, int iCmdShow)
{
    LPCTSTR szAppName = _T("HelloWin");
    HWND        hwnd;
    MSG         msg;
    WNDCLASSEX  wndclass;
 
    wndclass.cbSize = sizeof(wndclass);
    wndclass.style = CS_HREDRAW | CS_VREDRAW;
    wndclass.lpfnWndProc = WndProc;
    wndclass.cbClsExtra = 0;
    wndclass.cbWndExtra = 0;
    wndclass.hInstance = hInstance;
    wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
    wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
    wndclass.lpszMenuName = NULL;
    wndclass.lpszClassName = szAppName;
    wndclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
 
    RegisterClassEx(&wndclass);
 
    hwnd = CreateWindow(szAppName,  // window class name
        _T("The Hello Program"),    // window caption
        WS_OVERLAPPEDWINDOW,        // window style
        CW_USEDEFAULT,              // initial x position
        CW_USEDEFAULT,              // initial y position
        CW_USEDEFAULT,              // initial x size
        CW_USEDEFAULT,              // initial y size
        NULL,                       // parent window handle
        NULL,                       // window menu handle
        hInstance,                  // program instance handle
        NULL);                      // creation parameters
 
    ShowWindow(hwnd, iCmdShow);
    UpdateWindow(hwnd);
 
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return msg.wParam;
}
 
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
    HDC         hdc;
    PAINTSTRUCT ps;
    RECT        rect;
 
    switch (iMsg)
    {
        case WM_CREATE:
            PlaySound(_T("chicken.wav"), NULL, SND_FILENAME | SND_ASYNC);
            return 0;
 
        case WM_PAINT:
            hdc = BeginPaint(hwnd, &ps);
 
            GetClientRect(hwnd, &rect);
 
            DrawText(hdc, _T("Hello, Windows 95!"), -1, &rect,
                DT_SINGLELINE | DT_CENTER | DT_VCENTER);
 
            EndPaint(hwnd, &ps);
            return 0;
 
        case WM_DESTROY:
            PostQuitMessage(0);
            return 0;
    }
 
    return DefWindowProc(hwnd, iMsg, wParam, lParam);
}