typedef
int
WINAPI
typedef_MessageBoxExA(
HWND hWnd,
LPCSTR lpText,
LPCSTR lpCaption,
UINT uType,
WORD wLanguageId);
typedef_MessageBoxExA * org_MessageBoxExA = NULL;
int
WINAPI
myMessageBoxExA(
HWND hWnd,
LPCSTR lpText,
LPCSTR lpCaption,
UINT uType,
WORD wLanguageId)
{
return org_MessageBoxExA(hWnd, "hooked", lpCaption, uType, wLanguageId);
}
int main()
{
int n;
n = sihook_create(MessageBoxExA, -1, myMessageBoxExA, (void**)&org_MessageBoxExA);
sihook_enable(org_MessageBoxExA, 1);
MessageBoxExA(0, "will be replaced to 'hooked'", "sihook", MB_ICONINFORMATION, 0);
sihook_free(org_MessageBoxExA);
MessageBoxExA(0, "test-free", "sihook", MB_ICONINFORMATION, 0);
}