几何尺寸与公差论坛------致力于产品几何量公差标准GD&T (GDT:ASME)|New GPS(ISO)研究/CAD设计/CAM加工/CMM测量

几何尺寸与公差论坛------致力于产品几何量公差标准GD&T (GDT:ASME)|New GPS(ISO)研究/CAD设计/CAM加工/CMM测量 (http://www.dimcax.com/hust/index.php)
-   DirectDWG (http://www.dimcax.com/hust/forumdisplay.php?f=89)
-   -   【转帖】fast reading of entities (http://www.dimcax.com/hust/showthread.php?t=16289)

yang686526 2009-05-05 10:47 AM

【转帖】fast reading of entities
 
fast reading of entities

fast reading of entities
following stays as commentar in delphi-example for ddx 1.06
[quote]
{
using ienumvariant interface probably faster then accessing entries by index
however it is implemented only for entities in block and tables now.
}
<hr></blockquote>
does it mean that if i want for example to read all the lines in some file, i have to use indexed access (like modelspace.item[i])?
if i do it this way, it works to slow

alex dratva
# 12th may 2003, 12:20 am

softdev join date: aug 2002
location: st.petersburg
posts: 289

you can use ienumvariant for model and paper space as well as for block and dictionary.

sergey kuligin

none
? | ?
thread tools



display modes
linear mode


search this thread

rate this thread
excellent
good
average
bad
terrible

posting rules
you may post new threads
you may post replies
you may post attachments
you may edit your posts
is on
are on
code is off
html code is off
forum jump
user control panel private messages subscriptions who's online search forums forums home general topics news questions and remarks business issues industry commentary general software issues documentation issues future directions dwg libraries dwgdirect.net dwgdirect, c++ version dwgdirectx, activex version adtdirect/c3ddirect opendwg toolkit/viewkit dgn libraries dgndirect, c++ version (2.x+) dgndirect libraries (legacy 0.99xx)
all times are gmt -7. the time now is 02:09 amfff">.
- - -
copyright ?2000 - 2009, jelsoft enterprises ltd.
copyright 1998-2008 open design alliance inc.

you can use ienumvariant for model and paper space as well as for block and dictionary.


所有的时间均为北京时间。 现在的时间是 05:19 AM.