【转帖】slow Regeneration
 

slow regeneration

slow regeneration
hi,
we developed an activex control for displaying dwg files using dwgdirect libraries version 1.13. we have a third party menu control just above the drawing control in the web page and its contents are opening above the drawing control. during the testing we noticed that the regeneration (painting) of the drawing is too slow. with 1mb drawings control is literally dragging.
code for the on paint
view.h
odgsdeviceptr m_pdevice;
cpp
void dwgtest::onpaint()
{
odgicontext::regenabort();
cpaintdc dc(this); // device context for painting
if(!m_pdevice.isnull())
{
if(m_bopenflag && m_bdisplayflag)
m_pdevice->update();
else
{
crect objcrect;
getclientrect(objcrect);
dc.fillsolidrect(objcrect,m_backgroundcolor);
}
}
}
m_bopenflag , m_bdisplayflag both are true if drawing opened
thanks
rr
thanks

rejeesh_adr

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