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| #include <iostream>
#include <windows.h>
#include <string>
using namespace std;
const char g_szClassName[] = "myWindowClass";
// Step 4: the Window Procedure
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
int CALLBACK WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)
{
WNDCLASSEX wc;
HWND hwnd;
MSG Msg;
FreeConsole();
//Step 1: Registering the Window Class
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = NULL;
wc.lpszClassName = g_szClassName;
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
if(!RegisterClassEx(&wc))
{
MessageBox(NULL, "Window Registration Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
// Step 2: Creating the Window
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
g_szClassName,
"The title of my window",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 240, 120,
NULL, NULL, hInstance, NULL);
if(hwnd == NULL)
{
MessageBox(NULL, "Window Creation Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
// Step 3: The Message Loop
while(GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
LPCTSTR lpFileName = "C:\\Users\\Yohann\\Desktop\\hk\\bin\\Debug\\hk.dll";
HMODULE hModule;
LPCSTR lpProcName = "SomeFunction";
const LPCSTR sometext = "Text for the box";
FARPROC SomeFunction;
HANDLE hMutex;
// Prototypes des fonctions GetProcAdress
HANDLE (WINAPI *pSomeFunction)(const LPCSTR);
hMutex = CreateMutex(NULL,FALSE,"Local\\{A1E7934A-E701-192a-8FCB-65C9268EE927}");
Sleep(1);
if (GetLastError() == ERROR_ALREADY_EXISTS)
{
ExitProcess(EXIT_FAILURE);
}
hModule = LoadLibrary(lpFileName);
if (hModule != NULL)
{
pSomeFunction = (HANDLE(WINAPI *)(const LPCSTR))GetProcAddress(hModule,lpProcName);
if(pSomeFunction != NULL)
{
if (FreeLibrary(hModule) != 0)
{
}
}
}
CloseHandle(hMutex);
return 1;
}
LRESULT CALLBACK MainWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg)
{
case WM_CREATE:
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
default:
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
} |
