>hmm, i have come across that a view times by now. how does anyone else think about this? maybe that would be something for europa?
>
>anyway, i ended up changing that class completely. what that class was doing was giving me the possibility to to handle 'options' like the messagebox() for instance does.
>
>with the messagebox i can pass parameters in form of numbers like

>messagebox("hello World", 0+64+0, "I've got a message...")

>we all have seen this, however i never figured out how to check a number comming in, like 308.
>
>well the class i was talking about earlier is able to tell me that is a:
>4 (yes and no button)
>48 (Exclamation Point)
>256 (Second Button)
>
>However, it was done with array's, initializing them with all possible number solutions, and the doing an ascan() to give me a result.
>
>well, maybe its just me but i did not know how else to do this in a more efficient way. BUT i came up with a much better solution and for all who do not know how to do this (most of you propebly do) here is the trick:
>
>you have to work with binary numbers and compare the bits.
>

>* *** let's stay with the earlier example of 308
>* *** options start at 1 and are beeing doubled for each next option, so we have
>* *** 1 2 4 8 16 32 64 128 256 512 etc.
>
>* *** all you got to do is check each option against the total number (308)
>if BitAnd(308, 1) = 1
>   * *** optin 1 was includet
>endif
>if BitAnd(308, 2) = 2
>   * *** optin 2 was includet
>endif
>if BitAnd(308, 4) = 4
>   * *** optin 3 was includet
>endif
>if BitAnd(308, 8) = 8
>   * *** optin 4 was includet
>endif
>* *** and so on

>the end result is that the numbers 4, 48, 256 were chosen - the rest is up to you.
>
>as i have mentioned before, maybe that's an old hat to you all, but it sure made my day!

Sure is old hat to me. I had to do a bunch of bit-twiddling in a previous life. ;) Had to write a keyboard driver for a Z-80 system with NO ram. Only had the 208 bits of writable memory in the registers to work with and a 2K ROM for the code.