🚀 go-pugleaf

First of all, I would like to say thanks to everyone who responded to
my previous posting (PEXtk 1.0 Test Programs). It cleared some of my questions
on using PEX.  However, I still have some problems with double buffering. 
It seems that the test programs can only perform double buffering when the
Pset_display_buffer and Pset_update_buffer routines with the XFillRectangle
call are used instead of the Pbuffer_mode and the Pswap_buffers routines. 
When I modified some of the test programs to use the Pset_display_buffer and 
Pset_update_buffer routines instead, the programs worked fine.  Could
someone please explain why this is happening? What's the underlying 
difference between the two methods?

Another question: Is anybody familiar with the SunPEX 1.0? It
is the Sun Microsystems server extension implementation of the MIT Consortium 
PEX 5.0P protocol. It requires Openwindows Version 3. Could I use the
same APIs(more specifically, PEXtk) on this server as in PEX-SI? How do I
verify which server is being used when I try to run a client? 




Thank you, again.

-Elsa
    
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===============================================================================
+ Elsa S. Valeroso                  +                                         +
+ Dept of Computer Science          +   evaleros@jupiter.cse.utoledo.edu      +