Hello,

J'ai beau chercher j'ai un problème avec cette fonction. Elle me retourne toujours 0, donc elle échoue.

Je pose mon code pour voir si quelqu'un voit pourquoi elle échoue.

Merci.

Code : Sélectionner tout - Visualiser dans une fenêtre à part
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#include <windows.h>
 
/*  Declare Windows procedure  */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
 
int const WM_SHELLNOTIFY = WM_USER+5;
int IDI_TRAY             = 0;
int IDM_RESTORE          = 1000;
int IDM_EXIT             = 1010;
 
//.data
char szClassName[] =     "TrayIconWinClass";
char szAppName[] =       "TrayIcon Demo";
char RestoreString[] =   "&Restore";
char ExitString[] =      "E&xit Program";
 
int result;                                 // Variables de
char buffer[100];                           // déboggage
char formatHexa[] =      "%lx";             // 
 
//.data?
int hInstance;
NOTIFYICONDATA note;      // note est déclarée en tant que structure de type NOTIFYICONDATA
int hPopupMenu;
 
 
 
int WINAPI WinMain (HINSTANCE hThisInstance,
                    HINSTANCE hPrevInstance,
                    LPSTR lpszArgument,
                    int nFunsterStil) {
 
    HWND hwnd;               /* This is the handle for our window */
    MSG messages;            /* Here messages to the application are saved */
    WNDCLASSEX wincl;        /* Data structure for the windowclass */
 
    /* The Window structure */
    wincl.hInstance = hThisInstance;
    wincl.lpszClassName = szClassName;
    wincl.lpfnWndProc = WindowProcedure;      /* This function is called by windows */
    wincl.style = CS_DBLCLKS;                 /* Catch double-clicks */
    wincl.cbSize = sizeof (WNDCLASSEX);
 
    /* Use default icon and mouse-pointer */
    wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
    wincl.lpszMenuName = NULL;                 /* No menu */
    wincl.cbClsExtra = 0;                      /* No extra bytes after the window class */
    wincl.cbWndExtra = 0;                      /* structure or the window instance */
    /* Use Windows's default color as the background of the window */
    wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;
 
    /* Register the window class, and if it fails quit the program */
    if (!RegisterClassEx (&wincl))
        return 0;
 
    /* The class is registered, let's create the program*/
    hwnd = CreateWindowEx (
           WS_EX_CLIENTEDGE,    /* Extended possibilites for variation */
           szClassName,         /* Classname */
           szAppName,           /* Title Text */
           WS_OVERLAPPED+WS_CAPTION+WS_SYSMENU+WS_MINIMIZEBOX+WS_MAXIMIZEBOX+WS_VISIBLE,                   /* default window */
           CW_USEDEFAULT,       /* Windows decides the position */
           CW_USEDEFAULT,       /* where the window ends up on the screen */
           350,                 /* The programs width */
           200,                 /* and height in pixels */
           HWND_DESKTOP,        /* The window is a child-window to desktop */
           NULL,                /* No menu */
           hThisInstance,       /* Program Instance handler */
           NULL                 /* No Window Creation data */
           );
 
    /* Make the window visible on the screen */
    ShowWindow (hwnd, nFunsterStil);
 
    /* Run the message loop. It will run until GetMessage() returns 0 */
    while (GetMessage (&messages, NULL, 0, 0))
    {
        /* Translate virtual-key messages into character messages */
        TranslateMessage(&messages);
        /* Send message to WindowProcedure */
        DispatchMessage(&messages);
    }
 
    /* The program return-value is 0 - The value that PostQuitMessage() gave */
    return messages.wParam;
}
 
 
/*  This function is called by the Windows function DispatchMessage()  */
 
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) {
	POINT pt;
    RECT rect;
    HMENU hPopupMenu;
 
    switch (message)                  /* handle the messages */
    {
        case WM_CREATE:
           hPopupMenu = CreatePopupMenu();
           AppendMenu (hPopupMenu, MF_STRING, IDM_RESTORE, RestoreString);
		   AppendMenu (hPopupMenu, MF_STRING, IDM_EXIT, ExitString);
		   break;
 
        case WM_DESTROY:
            DestroyMenu (hPopupMenu);
		    PostQuitMessage (0);
            break;
 
        case WM_SIZE:
		    if (wParam == SIZE_MINIMIZED) {
			    note.cbSize = sizeof (NOTIFYICONDATA);
			    note.hWnd = hwnd;
			    note.uID = IDI_TRAY;
			    note.uFlags = NIF_ICON+NIF_MESSAGE+NIF_TIP;
			    note.uCallbackMessage = WM_SHELLNOTIFY;
			    note.hIcon = LoadIcon (NULL, IDI_WINLOGO);
			    lstrcpy (note.szTip, szAppName);
			    ShowWindow (hwnd, SW_HIDE);
			    Shell_NotifyIcon (NIM_ADD, &note);
		    } // endif
            break;
 
        case WM_COMMAND:
	        if (lParam == 0) {
			    Shell_NotifyIcon (NIM_DELETE, &note);
		        wParam = wParam & 0x0000FFFF;                                           // <-- recupère les bits de poids faibles de wParam
			    if (wParam == IDM_RESTORE) {ShowWindow (hwnd, SW_RESTORE);}
			    else {DestroyWindow (hwnd);}
             }
            break;
 
        case WM_SHELLNOTIFY:
            if (wParam == IDI_TRAY) {
			    if (lParam == WM_RBUTTONDOWN) {
				   GetCursorPos (&pt);
				   SetForegroundWindow (hwnd);
				   result = TrackPopupMenu (hPopupMenu, TPM_RIGHTALIGN | TPM_RIGHTBUTTON, pt.x, pt.y, 0, hwnd, NULL);     // <---------------------ici ça échoue....
/*
		   wsprintf (buffer, formatHexa, result);
		   MessageBoxA (0, buffer, buffer, 0);
*/
				   PostMessage (hwnd, WM_NULL, 0, 0);
			    } else if (lParam == WM_LBUTTONDBLCLK) {
				   SendMessage (hwnd, WM_COMMAND, IDM_RESTORE, 0);
                }
            }
            break;
 
        default:                      /* for messages that we don't deal with */
            return DefWindowProc (hwnd, message, wParam, lParam);
    }
 
    return 0;
}