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WINDOW procedure and SET_X_BID keyword [message #42215]

Tue, 18 January 2005 08:03

John R. Iverson
Messages: 6
Registered: September 2002

Junior Member

I've been allocating my own Pixmaps (in a C program) and using IDL's
WINDOW procedure to draw into that Pixmap
(WINDOW, /FREE, /PIXMAP, /SET_X_BID=####). That works pretty well, but
in some circumstances I've seen BadPixmap X Errors come out of the IDL
process.

Now clearly this situation is begging for me to have some timing issues

- I am using XFlush() and IDL's "EMPTY" procedure in an attempt to keep

the two X Displays from getting out of sync.

If I remove my call to WDELETE, I believe I never have this issue.
However, this appears to leak memory on the X Server (my processes run
for a long time).

Anyway there is no documentation about this keyword. Does anybody have
any insight into this issue? I am having a devil of a time reproducing
this problem also, so I'm thinking it's a timing issue.

Thanks!

Rob

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