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HomerSexual
Grandmaster Cheater Supreme
 Reputation: 5
Joined: 03 Feb 2007
Posts: 1657
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 Posted: Tue Jul 31, 2007 9:55 pm Post subject: wtf is wrong with this |
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| Code: | #include <windows.h>
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
static char gszClassName[] = "class";
static HINSTANCE ghInstance = NULL;
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
WNDCLASSEX WndClass;
HWND hwnd;
MSG Msg;
ghInstance = hInstance;
WndClass.cbSize = sizeof(WNDCLASSEX);
WndClass.style = NULL;
WndClass.lpfnWndProc = WndProc;
WndClass.cbClsExtra = 0;
WndClass.cbWndExtra = 0;
WndClass.hInstance = ghInstance;
WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
WndClass.lpszMenuName = NULL;
WndClass.lpszClassName = gszClassName;
WndClass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
if(!RegisterClassEx(&WndClass)) {
MessageBox(0, "Error Registering Window!", "Error!", MB_ICONSTOP | MB_OK);
return 0;
}
hwnd = CreateWindowEx(
WS_EX_STATICEDGE,
gszClassName,
"darkblue owNz!",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
320, 240,
NULL, NULL,
ghInstance,
NULL);
if(hwnd == NULL) {
MessageBox(0, "Window Creation Failed!", "Error!", MB_ICONSTOP | MB_OK);
return 0;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&Msg, NULL, 0, 0)) {
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam) {
HDC hdc;
PAINTSTRUCT ps;
LPSTR szMessage = "blahblahstring";
switch(Message) {
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
TextOut(hdc, 70, 50, szMessage, strlen(szMessage));
EndPaint(hwnd, &ps);
break;
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, Message, wParam, lParam);
}
return 0;
}
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this should right text in the window but it wont compile
| Quote: | Compiling: C:\Program Files\CodeBlocks\Files\WindowText.cpp
C:\Program Files\CodeBlocks\Files\WindowText.cpp: In function `int WinMain(HINSTANCE__*, HINSTANCE__*, CHAR*, int)':
C:\Program Files\CodeBlocks\Files\WindowText.cpp:16: warning: converting to non-pointer type `UINT' from NULL
Linking console executable: C:\Program Files\CodeBlocks\Files\WindowText.exe
C:\Program Files\CodeBlocks\Files\WindowText.o:WindowText.cpp:(.text+0x281): undefined reference to `TextOutA@20'
collect2: ld returned 1 exit status
Process terminated with status 1 (0 minutes, 31 seconds)
0 errors, 1 warnings |
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appalsap
Moderator
 Reputation: 0
Joined: 27 Apr 2006
Posts: 6753
Location: Pakistan
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| Posted: Tue Jul 31, 2007 9:56 pm Post subject: |
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link to gdi32.lib
and if you ever have 'undefined reference' errors, take the following steps:
1. visit the msdn page
2. verify you have the correct header file (it will tell you what you need on the page), if you don't, then the compiler will try a default one, which may not work.
3. verify you have linked to the appropriate library, also on the page. |
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HomerSexual
Grandmaster Cheater Supreme
Reputation: 5
Joined: 03 Feb 2007
Posts: 1657
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| Posted: Tue Jul 31, 2007 10:22 pm Post subject: |
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thanks appal 
it workz0rz
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