ok cancel messagebox

Code:
__declspec(noinline) void messageboxyesno(const char* Message, DWORD CShell)
{
__asm
{
push 0;
push Message;
push 0x2;
push 0x9A;
push 0x2F;
mov eax, [0x17D2B0];
add eax, CShell;
call eax;
add esp, 0x14;
}
}

