Thread: [Dev-C++] compilation/linking problems
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From: Alan T. <ala...@3n...> - 2001-03-31 23:34:05
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I get the following error when I attempt to compile the program below. I think the problem has something to do with the resource files, shown below. Any ideas would be appreciated ERROR: c:\windows\TEMP\ccZ33HQa.o: In function `WinMain': //c/windows/profiles/alanth~1/mydocu~1/c__pro~1/windows/simple~1.cpp:33: undefined reference to `GetStockObject@4' CODE: #include <windows.h> #include <tut0.rh> /* Declare Windows procedure */ LRESULT CALLBACK WindowProcedure(HWND, UINT, WPARAM, LPARAM); /* Make the class name into a global variable */ char szClassName[ ] = "WindowsApp"; static HINSTANCE hThisInstance = NULL; 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 = "MYMENU"; /* No menu */ wincl.cbClsExtra = 0; /* No extra bytes after the window class */ wincl.cbWndExtra = 0; /* structure or the window instance */ /* Use light-gray as the background of the window */ wincl.hbrBackground = (HBRUSH) GetStockObject(LTGRAY_BRUSH); /* Register the window class, if fail quit the program */ if(!RegisterClassEx(&wincl)) return 0; /* The class is registered, let's create the program*/ hwnd = CreateWindowEx( 0, /* Extended possibilites for variation */ szClassName, /* Classname */ "Windows App", /* Title Text */ WS_OVERLAPPEDWINDOW, /* default window */ CW_USEDEFAULT, /* Windows decides the position */ CW_USEDEFAULT, /* where the window ends up on the screen */ 544, /* The programs width */ 375, /* 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) { HMENU hMenu, hSubMenu; char szFileName[MAX_PATH]; switch (message) /* handle the messages */ { /* case WM_COMMAND: switch(LOWORD(wParam) { case 1: break; case 2: break; } break; case WM_CREATE: hMenu = CreateMenu(); hSubMenu = CreatePopupMenu(); AppendMenu(hSubMenu, ME_STRING, 1, "E&xit"); AppendMenu(hMenu, ME_STRING | MF_POPUP, (UINT)hSubMenu, "&File"); hSubMenu = CreatePopupMenu(); AppendMenu(hSubMenu, MF_STRING, 2, "&Go"); AppenMenu(hMenu, MF_STRING | MF_POPUP, (UINT)hSubMenu, "&Stuff"); SetMenu(hwnd, hMenu); break; */ case WM_LBUTTONDOWN: GetModuleFileName(hThisInstance, szFileName, MAX_PATH); MessageBox (hwnd, szFileName, "This program is: ", MB_OK | MB_ICONINFORMATION); break; case WM_CLOSE: DestroyWindow(hwnd); break; case WM_DESTROY: PostQuitMessage(0); /* send a WM_QUIT to the message queue */ break; default: /* for messages that we don't deal with */ return DefWindowProc(hwnd, message, wParam, lParam); } return 0; } FILE TUT0.RH: #define CM_FILE_EXIT 9001 #define CM_STUFF_GO 9002 FILE TUT0.RC: #include <tut0.rh> MYMENU MENU BEGIN POPUP "&File" BEGIN MENUITEM "E&xit", CM_FILE_EXIT END POPUP "&Stuff" BEGIN MENUITEM "&Go", CM_STUFF_GO MENUITEM "G&o somewhere else", 0, GRAYED END END It wasn`t obvious to me how to use Dev-C++'s resource editor but use symbols (not the right term, e.g., "MYMENU" and "CM_FILE_EXIT" above) vice numbers for the resource elements. Any help would be appreciated. Thanks, Alan |