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Article #2131

Data Segments for DLL's

#2131
From: Bill Poitras
Date: Mon, 11 Dec 1989 15:17
26 lines
1622 bytes
Is it true that a DLL can have a heap (like for linked lists etc.)?

If so, does a DLL create a data segment for each instance of each program
that calls the library?

My ultimate goal is to implement a group of DLL's that will allow me to
write several display list oriented graphics applications, and I don't want
to have to implement a multisegment display/object list.  The way want it is 
the following:
		Display List manager - worries about lines, rectangles, ellipses
		Object manager - worries about the non-graphical information about
						 certain objects: data base blocks, complex symbols
						 spreadsheet cells, etc.
		Message manager - accepts messages and knows  which module to
						 dispatch them to.

The last DLL will be necessary to implement a platform independant system. 
The other platforms will be Mac and Motif/X11.

Any help will be greatly appeciated. 


+-----------------+---------------------------+-----------------------------+
| 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: Data Segments for DLL's
Message-ID: <606@fred.UUCP>
Date: 11 Dec 89 15:17:46 GMT
Reply-To: bill@fred.UUCP (Bill Poitras)
Organization: Polygen Corporation, Waltham, MA
Lines: 26