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Article #2107

Programming Large Linked Lists of Graphics Objects

#2107
From: Bill Poitras
Date: Tue, 05 Dec 1989 15:44
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1820 bytes
The title should say most of what I want to ask.  What I'm trying to do is 
develop several graphics tools that can sketch different types of graphics
objects (lines, symbols, ellipses, etc...), as well as implement a spreadsheet
that can store these (and other) types of data. My question is, how do I handle 
a linked list of items without storing the pointers of each object in each list.
One way would be to use the local data segment, but that only leaves a hardcoded
limit of 64K.  Is there a general software offering for MS Windows that does
this kind of complex memory management.  I don't want to use a DOS extender, 
after all I'm probably only (only.. right :-) going to need < 100K for the 
application.  This is MAX, but I don't want to limit the user to 64K unless
that is indeed feasible.  Any spreadsheet programmers, or word processor 
programmers would probably be most helpful  (Microsoft Excel programmers would 
be helpful ;-), but anybody that has ever dealt with complex memory management 
in Windows, is welcome to help.  Thanks in advance.


+-----------------+---------------------------+-----------------------------+
| Bill Poitras    | Polygen Corporation       | {princeton mit-eddie        |
|     (bill)      | Waltham, MA USA           |  bu sunne}!polygen!bill     |
+-----------------+---------------------------+-----------------------------+
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From: bill@polygen.uucp (Bill Poitras)
Newsgroups: comp.windows.ms
Subject: Programming Large Linked Lists of Graphics Objects
Message-ID: <601@fred.UUCP>
Date: 5 Dec 89 15:44:23 GMT
Reply-To: bill@fred.UUCP (Bill Poitras)
Organization: Polygen Corporation, Waltham, MA
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