#define ID_FILE_OPEN          1001
#define ID_FILE_EXIT          1003
#define ID_DO_SOMETHING       1004
#define ID_DO_SOMETHING_ELSE  1005

#include <windows.h>

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

static char gszClassName[]  = "MyWindowClass";
static HINSTANCE ghInstance = NULL;

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
        WNDCLASSEX WndClass;
        HWND hwnd;
        MSG Msg;

        ghInstance = hInstance;

        WndClass.cbSize        = sizeof(WNDCLASSEX);
        WndClass.style         = NULL;
        WndClass.lpfnWndProc   = WndProc;
        WndClass.cbClsExtra    = 0;
        WndClass.cbWndExtra    = 0;
        WndClass.hInstance     = ghInstance;
        WndClass.hIcon         = LoadIcon(NULL, IDI_APPLICATION);
        WndClass.hCursor       = LoadCursor(NULL, IDC_ARROW);
        WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
        WndClass.lpszMenuName  = NULL;
        WndClass.lpszClassName = gszClassName;
        WndClass.hIconSm       = LoadIcon(NULL, IDI_APPLICATION);

        if(!RegisterClassEx(&WndClass)) {
                MessageBox(0, "Window Registration Failed!", "Error!", MB_ICONSTOP | MB_OK);
                return 0;
        }

        hwnd = CreateWindowEx(
                WS_EX_STATICEDGE,
                gszClassName,
                "Windows Title",
                WS_OVERLAPPEDWINDOW,
                CW_USEDEFAULT, CW_USEDEFAULT,
                320, 240,
                NULL, NULL,
                ghInstance,
                NULL);

        if(hwnd == NULL) {
                MessageBox(0, "Window Creation Failed!", "Error!", MB_ICONSTOP | MB_OK);
                return 0;
        }

        ShowWindow(hwnd, nCmdShow);
        UpdateWindow(hwnd);

        while(GetMessage(&Msg, NULL, 0, 0)) {
                TranslateMessage(&Msg);
                DispatchMessage(&Msg);
        }
        return Msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam) {
        HMENU hMenu, hOldMenu, hSubMenu1, hSubMenu2;
        MENUITEMINFO mii;
	char str1a[] ="Open";
	char str1b[] ="Close";
	char str1[] ="File";
        switch(Message) {
                case WM_CLOSE:
                        DestroyWindow(hwnd);
                        break;
                case WM_DESTROY:
                        PostQuitMessage(0);
                        break;
                case WM_CREATE:
                        hMenu = CreateMenu();

                        hSubMenu1 = CreatePopupMenu();
                        AppendMenu(hSubMenu1, MF_STRING, ID_FILE_OPEN, "&Open");
                        AppendMenu(hSubMenu1, MF_STRING, ID_FILE_EXIT, "E&xit");
                        AppendMenu(hMenu, MF_STRING | MF_POPUP, (UINT)hSubMenu1, "&File");

                        hSubMenu2 = CreatePopupMenu();
                        AppendMenu(hSubMenu2, MF_STRING, ID_DO_SOMETHING, "&Something");
                        AppendMenu(hSubMenu2, MF_STRING, ID_DO_SOMETHING_ELSE, "Something &Else");
                        AppendMenu(hMenu, MF_STRING | MF_POPUP, (UINT)hSubMenu2, "&Other");

                        SetMenu(hwnd, hMenu);
			while(GetMenuItemCount(hMenu))
				RemoveMenu(hMenu,0,0x400);
			hOldMenu=hMenu;
			DestroyMenu(hMenu);
			hMenu=CreateMenu();
                        AppendMenu(hMenu, MF_STRING | MF_POPUP, (UINT)hSubMenu1, "[&File]");
                        AppendMenu(hMenu, MF_STRING | MF_POPUP, (UINT)hSubMenu2, "[&Other]");
			if (hMenu != hOldMenu)
				SetMenu(hwnd, hMenu);
                        break;
                case WM_COMMAND:
                        switch(LOWORD(wParam)) {
                                case ID_FILE_OPEN:
                                        MessageBox(hwnd, "Open File", "Menu", 0);
                                        break;
                                case ID_FILE_EXIT:
                                        PostQuitMessage(0);
                                case ID_DO_SOMETHING:
                                        MessageBox(hwnd, "Do Something", "Menu", 0);
                                        break;
                                case ID_DO_SOMETHING_ELSE:
                                        MessageBox(hwnd, "Do Something Else", "Menu", 0);
                                        break;
                        }
                        break;
                default:
                        return DefWindowProc(hwnd, Message, wParam, lParam);
        }
        return 0;
}