[VC++][API]FENETRE MDI SANS MFC !!!

#include <windows.h>
#include <stdio.h>
#include <stdlib.h>

static char g_szClassName[] = "MyWindowClass";
static char mychild[] = "child";
static HINSTANCE g_hInst = NULL;

#define IDM_CHILD 1001



HWND hwndMDIClient;

LRESULT CALLBACK ChildProc(HWND hwndChild, UINT Message, WPARAM wParam, LPARAM lParam)
{
     switch(Message)
     {

	 case WM_PAINT:
		 {
		 PAINTSTRUCT ps;
		 HDC hdc;
		 hdc = BeginPaint(hwndChild,&ps);
		 TextOut(hdc,0,0,"Coucou !",8);
		 EndPaint(hwndChild,&ps);
		 }
		 break;
		        case WM_CLOSE:
                 DestroyWindow(hwndChild);
            break;
            case WM_DESTROY:
                 PostQuitMessage(0);
            break;
            default:
                 return DefWindowProc(hwndChild, Message, wParam, lParam);
     }
     return 0;
}

LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
     switch(Message)
     {

		 case WM_CREATE: 
    { 
              hwndMDIClient = 
			CreateWindowEx(
            WS_EX_CLIENTEDGE | WS_EX_MDICHILD,
            mychild,
            "je suis ta fille !",
            WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CHILD ,
            CW_USEDEFAULT, CW_USEDEFAULT, 640, 480,
            hwnd, NULL, g_hInst, NULL);

			   
			  			
        ShowWindow(hwndMDIClient, SW_SHOW); 
		UpdateWindow(hwnd);
    } 
    break; 
		 
/*            case WM_COMMAND:
                 switch(LOWORD(wParam))
                 {

                 }
            break;*/
            case WM_CLOSE:
                 DestroyWindow(hwnd);
            break;
            case WM_DESTROY:
                 PostQuitMessage(0);
            break;
            default:
                 return DefWindowProc(hwnd, Message, wParam, lParam);
     }
     return 0;
}

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

     g_hInst = hInstance;

     WndClass.cbSize                = sizeof(WNDCLASSEX);
     WndClass.style              = 0;
     WndClass.lpfnWndProc    = WndProc;
     WndClass.cbClsExtra        = 0;
     WndClass.cbWndExtra        = 0;
     WndClass.hInstance      = g_hInst;
     WndClass.hIcon              = LoadIcon(NULL, IDI_APPLICATION);
     WndClass.hCursor            = LoadCursor(NULL, IDC_ARROW);
     WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW);
     WndClass.lpszMenuName  = "MAINMENU";
     WndClass.lpszClassName = g_szClassName;
     WndClass.hIconSm            = LoadIcon(NULL, IDI_APPLICATION);

 if(!RegisterClassEx(&WndClass))
     {
            return 0;
     }

	 WndClass.lpfnWndProc   = (WNDPROC) ChildProc; 
     WndClass.hIcon         = NULL;
     WndClass.lpszMenuName  = (LPCTSTR) NULL; 
     WndClass.cbWndExtra    = 0; 
	 WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
     WndClass.lpszClassName = mychild; 


     if(!RegisterClassEx(&WndClass))
     {
            return 0;
     }

     hwnd = CreateWindowEx(
            WS_EX_CLIENTEDGE,
            g_szClassName,
            "Je suis la mère !",
            WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS ,
            CW_USEDEFAULT, CW_USEDEFAULT, 800, 600,
            NULL, NULL, g_hInst, NULL);
			


     if(hwnd == NULL)
     {
            return 0;
     }

   
	
	     ShowWindow(hwnd, SW_SHOW);
     UpdateWindow(hwnd);

	

   while (GetMessage(&msg, (HWND) NULL, 0, 0)) { 
    if (!TranslateMDISysAccel(hwndMDIClient, &msg))
	{ 
        TranslateMessage(&msg); 
        DispatchMessage(&msg); 
    } 
} 

}