Win GUI Problem (C++)
Hej, när jag kodar i Dev-C++ så får jag inga problem när jag kompilerar.
Men när jag använder MSVC++6 så får jag följande problem:
LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Debug/Zpad.exe : fatal error LNK1120: 1 unresolved externals
så här ser ett kod exempel ut:
#include <windows.h>
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT("ZPad");
HWND hWnd;
MSG Msg;
WNDCLASS wndClass;
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 (WHITE_BRUSH);
wndClass.lpszMenuName = NULL;
wndClass.lpszClassName = szAppName;
if(!RegisterClass (&wndClass))
{
MessageBox(NULL, TEXT("This program requires Windows NT!"), szAppName, MB_ICONERROR);
return 0;
}
hWnd = CreateWindow(szAppName,
TEXT("ZPad"),
WS_OVERLAPPED,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(hWnd, iCmdShow);
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;
RECT rect;
switch(Message)
{
case WM_CREATE:
MessageBox(hWnd, TEXT("Welcome to ZPad!"), TEXT("ZPad 2005"), MB_OK);
return 0;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
GetClientRect(hWnd, &rect);
DrawText(hdc, TEXT("ZPad, Just displat message!"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
EndPaint(hWnd, &ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hWnd, Message, wParam, lParam);
}
C#/MonoGame Fanatiker.
Pixel Artist & Game Developer