webbrowser problem 1

[captanblack]

Hi

i am using a webbrowser in my application and i use a http server in my application that receives webbrowser requests
and answer to request , sometimes when i post a request to server (i use document object module) i get an exception
"canvas doesnt allow drawing" , ok it has made me complicated , anybody have any comment on ?

So thanx

 

[fruNNik]

Search on Google found:

http://www.delphifaq.com/fq/q4053.shtml

says:

Msg 'Canvas does not allow drawing'
Q:
What does the error message 'Canvas does not allow drawing' mean?

A:


you may have run out of resources, which means a new DC cannot be
allocated. Usually this is a result of not freeing unused DCs or other
objects

you are attempting to draw to an device context that is not yet valid.
Such as in the create constructor of a component.

you are trying to draw on a canvas while your last draw-operation has
not finished yet. In this case you can use Canvas.Lock or Canvas.TryLock to fix it.

hth

- fruNNik