[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
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