000
03.12.2007, 00:00 Uhr
smeagle24
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Linking...
main.obj : error LNK2001: unresolved external symbol _DirectDrawCreateEx@16
main.obj : error LNK2001: unresolved external symbol _IID_IDirectDraw7
Debug/DDrawTut1.exe : fatal error LNK1120: 2 unresolved externals
Error executing link.exe.
Diese Fehlermeldung erhalte ich wenn ich mein Programm linken will.
Ich benutze die DX9 SDK und habe die lib-Files direkt im Projekt eingebunden.
Was habe ich nur falsch gemacht.
| C++: |
#include <windows.h>
#include <ddraw.h>
#define WindowTitle "DirectDraw-Tutorial"
#define WindowClassName "DDWinClass"
LPDIRECTDRAW7 lpDirectDraw; // DirectDraw-Objekt
HRESULT ddrval;
LONG FAR WINAPI WndProc (HWND , UINT , UINT , LONG) ;
int WINAPI WinMain (HINSTANCE hInstance , HINSTANCE hPrevInstance ,
LPSTR lpCmdLine , int nCmdShow)
{
MSG msg ;
HWND hwnd ;
WNDCLASS wndclass ;
if (!hPrevInstance)
{
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL , IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL , IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH)GetStockObject (LTGRAY_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = WindowClassName ;
RegisterClass (&wndclass) ;
}
hwnd = CreateWindow (WindowClassName ,
WindowTitle ,
WS_OVERLAPPEDWINDOW ,
CW_USEDEFAULT ,
CW_USEDEFAULT ,
CW_USEDEFAULT ,
CW_USEDEFAULT ,
NULL , NULL ,
hInstance , NULL) ;
ShowWindow (hwnd , nCmdShow) ;
UpdateWindow (hwnd) ;
ddrval = DirectDrawCreateEx(NULL, (VOID**)&lpDirectDraw, IID_IDirectDraw7, NULL);
if (ddrval != DD_OK)
{
return (0);
}
ddrval = lpDirectDraw->SetCooperativeLevel (hwnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
if (ddrval != DD_OK)
{
lpDirectDraw->Release();
lpDirectDraw = NULL;
return (0);
}
ddrval = lpDirectDraw->SetDisplayMode (640, 480, 8, 0, 0);
if (ddrval != DD_OK)
{
lpDirectDraw->Release();
lpDirectDraw = NULL;
return (0);
}
while(1)
{
if (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
{
if (msg.message == WM_QUIT) break;
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
if (lpDirectDraw != NULL)
{
lpDirectDraw->Release();
lpDirectDraw = NULL;
}
return msg.wParam ;
}
LONG FAR WINAPI WndProc (HWND hwnd , UINT message ,
UINT wParam , LONG lParam)
{
switch (message)
{
case WM_DESTROY:
{
PostQuitMessage (0) ;
return 0 ;
} break;
} // switch (message)
return DefWindowProc (hwnd , message , wParam , lParam) ;
} // WndProc
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