Создание меню

#include<Windows.h>
#include<CommCtrl.h>
 
#define IDM_Enable_Disable 0
#define IDM_Exit 1
#define IDM_About 2
#define IDM_File 3
#define IDM_Help 4
#define IDM_Bitmap 5
 
WCHAR* Messages[] = {L"Enable or disable exit",
                    L"Exit from the program",
                    L"About this program",
                    L"File operations",
                    L"Help operations",
                    L"Menu example",
                    L"System Menu"};
 
 
LRESULT CALLBACK MenuDemoWndProc(HWND,UINT,WPARAM,LPARAM);
 
HWND hStatusWindow;
UINT wId;
HMENU hMenu,hFileMenu,hHelpMenu;
HINSTANCE hInst;
 
int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,
                        LPSTR lpszCmdParam,int nCmdShow)
{
    HWND hWnd;
    WNDCLASS WndClass;
    MSG Msg;
 
    hInst = hInstance;
 
    WndClass.style = CS_VREDRAW | CS_HREDRAW;
    WndClass.lpfnWndProc = (WNDPROC)MenuDemoWndProc;
    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 = L"MenuExample";
 
    if(!RegisterClass(&WndClass))
    {
        MessageBox(NULL,L"Cannot register window's class",L"Error",MB_OK);
        return 0;
    }
 
    hWnd = CreateWindow(L"MenuExample",L"Programm 2",
                        WS_OVERLAPPEDWINDOW,
                        CW_USEDEFAULT,CW_USEDEFAULT,
                        CW_USEDEFAULT,CW_USEDEFAULT,
                        NULL,NULL,
                        hInstance,NULL);
 
    if(!hWnd)
    {
        MessageBox(NULL,L"Cannot create window",L"Error",MB_OK);
        return 0;
    }
 
    InitCommonControls();
    hStatusWindow = CreateStatusWindow((WS_CHILD | WS_VISIBLE),
                                        L"Menu sample",hWnd,wId);
 
    if(!hStatusWindow)
    {
        MessageBox(NULL,L"Cannot create status window",L"Error",MB_OK);
        return 0;
    }
 
    //create menu
    AppendMenu((hFileMenu = CreatePopupMenu()),MF_ENABLED | MF_STRING,
                IDM_Enable_Disable,L"&Enable exit");
    AppendMenu(hFileMenu,MF_GRAYED | MF_STRING,IDM_Exit,L"E&xit");
    AppendMenu((hHelpMenu = CreatePopupMenu()),MF_DISABLED | MF_STRING,IDM_About,L"&About");
    hMenu = CreateMenu();
    AppendMenu(hMenu,MF_ENABLED | MF_POPUP,(UINT)hFileMenu,L"&File");
    AppendMenu(hMenu,MF_ENABLED | MF_POPUP,(UINT)hHelpMenu,L"&Help");
    SetMenu(hWnd,hMenu);
 
    ShowWindow(hWnd,nCmdShow);
    UpdateWindow(hWnd);
    DrawMenuBar(hWnd);
 
    while(GetMessage(&Msg,NULL,0,0))
    {
        TranslateMessage(&Msg);
        DispatchMessage(&Msg);
    }
 
    return Msg.wParam;
}
 
LRESULT CALLBACK MenuDemoWndProc(HWND hWnd,UINT Message,WPARAM wParam,LPARAM lParam)
{
    RECT Rect;
    static UINT nFlag = MF_ENABLED;
    WCHAR* Content[] = {L"Enable exit",L"Disable exit"};
    static UINT nIndex = 0;
    static HBITMAP hBitmap;
    int nDimension;
 
    switch(Message)
    {
    case WM_CREATE:
        nDimension = GetSystemMetrics(SM_CYMENU);
        hBitmap = (HBITMAP)LoadImage(hInst,L"C:\\Russian.bmp",IMAGE_BITMAP,
                            nDimension*2,nDimension,LR_LOADFROMFILE);
        AppendMenu(GetMenu(hWnd),MF_BITMAP,IDM_Bitmap,(LPCWSTR)hBitmap);//вот тут вопрос с преобразованием типов
        break;
    case WM_COMMAND:
 
        switch(wParam)
        {
        case IDM_Enable_Disable:
            EnableMenuItem(hFileMenu,IDM_Exit,MF_BYCOMMAND | nFlag);
            nFlag = (nFlag == MF_ENABLED) ? MF_GRAYED : MF_ENABLED;
            nIndex = (nIndex == 0) ? 1 : 0;
            ModifyMenu(hFileMenu,IDM_Enable_Disable,MF_BYCOMMAND |
                        MF_STRING,IDM_Enable_Disable,Content[nIndex]);
            break;
 
        case IDM_Exit:
            SendMessage(hWnd,WM_CLOSE,NULL,NULL);
            break;
        }
 
    case WM_SIZE:
        SendMessage(hStatusWindow,WM_SIZE,wParam,lParam);
        GetClientRect(hWnd,&Rect);
        return 0;
 
    case WM_MENUSELECT:
        if( ( (UINT)HIWORD(wParam) == 0xffff) && ( (HMENU)lParam == 0) )
        {
            SendMessage(hStatusWindow,SB_SETTEXT,(WPARAM)0,(LPARAM)Messages[5]);
            return 0;
        }
 
        if( (UINT)HIWORD(wParam) && MF_SYSMENU )
        {
            SendMessage(hStatusWindow,SB_SETTEXT,(WPARAM)0,(LPARAM)Messages[6]);
            return 0;
        }
 
        if( (UINT)HIWORD(wParam) && MF_POPUP )
        {
            SendMessage(hStatusWindow,SB_SETTEXT,(WPARAM)0,
                        (LPARAM)Messages[3 + LOWORD(wParam)]);
            return 0;
        }
 
        SendMessage(hStatusWindow,SB_SETTEXT,(WPARAM)0,
            (LPARAM)Messages[LOWORD(wParam)]);
        return 0;
 
    case WM_DESTROY:
        DeleteObject(hBitmap);
        PostQuitMessage(0);
        return 0;
    }
 
    return DefWindowProc(hWnd,Message,wParam,lParam);
 
}

#pragma comment(lib, "Comctl32.lib")