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| #include <windows.h>
#define WH_KEYBOARD_LL 13
/*
typedef struct {
DWORD vkCode;
DWORD scanCode;
DWORD flags;
DWORD time;
ULONG_PTR dwExtraInfo;
} KBDLLHOOKSTRUCT, *PKBDLLHOOKSTRUCT; */
HINSTANCE moduleCourant;
HHOOK hookClavier;
LRESULT CALLBACK fonctionIntercepteClavierLowLevel (int nCode, WPARAM wParam, LPARAM lParam)
{
MessageBox(NULL,"func",0,0 );
if(nCode == HC_ACTION)
{
KBDLLHOOKSTRUCT kbStruct = *((KBDLLHOOKSTRUCT *)lParam);
switch(wParam)
{
case WM_KEYDOWN:
if (kbStruct.vkCode == VK_LWIN || kbStruct.vkCode == VK_RWIN) // bloque touches windows
return 1;
if (kbStruct.vkCode == VK_ESCAPE && GetAsyncKeyState(VK_CONTROL)) // bloque control+echap
return 1;
if (kbStruct.vkCode == VK_SNAPSHOT) // bloque impr écran
return 1;
}
}
return CallNextHookEx(hookClavier, nCode, wParam, lParam);
}
extern "C" __declspec(dllexport) int installeLeHookClavier()
{
if( !hookClavier )
{
MessageBox(NULL,"install",0,0 );
hookClavier = SetWindowsHookEx(WH_KEYBOARD_LL, fonctionIntercepteClavierLowLevel, moduleCourant, 0);
}
return (int) hookClavier;
}
extern "C" __declspec(dllexport) void ArreteLeHookClavier()
{
MessageBox(NULL,"arret",0,0 );
if(hookClavier)
{
UnhookWindowsHookEx(hookClavier);
hookClavier = 0;
}
}
BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID Reserved)
{
if (dwReason == DLL_PROCESS_ATTACH)
{
moduleCourant = hDll;
}
if (dwReason == DLL_PROCESS_DETACH)
{
ArreteLeHookClavier();
}
return 1;
} |
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