Re: Form bigger then screen resolution, why not?

Jamie wrote:
> Jim P wrote:
>> pmsoftware wrote:
>>
>>>> I have done it.
>>>
>>>
>>> If you had - would you share your way?
>>>
>>>> a form of 512 by 2560 - - - on a monitor set for 1280 by 1024.
>>>> a form of 2000 by 3000 resolution will have 6,000,0000 pixels at
>>>> 4 bytes per - - or need 24 meg of memory - - - -
>>>
>>>
>>> Memory is not a problem - I need to create a large visible form out of
>>> the screen for a moment - user can't see it, but I can take "a
>>> picture" of it (like alt+PrintScreen) and save to file or send it to a
>>> printer. That's why I need it.
>>>
>>> pms.
>>
>> why move the form? just hide it?
>> and you can still grab the bitmap of the form.
>>
>> and if you are going to a printer - - why not use the printer.canvas 
>> instead? and directly print from the application?
>>
>> Jim P.
>>
> Unless things have changed, last time I knew, the system won't generate
> a DDB (device dependent Bitmap) much larger than the current screen 
> resolution. So using the getBitmap may not work so well.
> 
>   The proper way is to use a DIB bitmap which isn't limited to this
> aspect.
> 
> 
> http://webpages.charter.net/jamie_5"
> 
I did and it worked.  a form 512 by 2560. grabbed the image - - it might 
have been from the canvas that I drew on.   then processed the image 
into the format that the industrial printer wanted

Jim P.