[Gambas-user] Grab command

[tobi]

On Fri, 20 Apr 2012, trat50 wrote:
> 
> Thanks Tobi,  Yes you are correct - this is on Gambas2.
> I'll have to try that on a PictureBox.  Initially I had everything for this
> app on a PictureBox, but I didn't know how to draw on those.  I'll see what
> I can find in the texts, or maybe someone will chime in.
>   
> 
> tobi-15 wrote:
> > 
> > On Fri, 20 Apr 2012, trat50 wrote:
> >> 
> >> Hi Tobi, I just tried that - but it still blacks out anything not visible
> >> on
> >> the computer monitor.
> >> 
> >> 
> >> tobi-15 wrote:
> >> > 
> >> > If you are talking about GB2, you can do:
> >> > 
> >> > DrawingArea.Grab().Save(Path, [Quality])
> >> > 
> >> > However, in GB3, the Grab method is entirely different. Refer to
> >> > http://www.gambasdoc.org/help/comp/gb.qt4/control/grab?v3
> >> > 
> >> > Regards,
> >> > Tobi
> >> > 
> >> >
> >> ------------------------------------------------------------------------------
> >> > For Developers, A Lot Can Happen In A Second.
> >> > Boundary is the first to Know...and Tell You.
> >> > Monitor Your Applications in Ultra-Fine Resolution. Try it FREE!
> >> > http://p.sf.net/sfu/Boundary-d2dvs2
> >> > _______________________________________________
> >> > Gambas-user mailing list
> >> > Gambas-user at lists.sourceforge.net
> >> > https://lists.sourceforge.net/lists/listinfo/gambas-user
> >> > 
> >> > 
> >> 
> >> -- 
> >> View this message in context:
> >> http://old.nabble.com/Grab-command-tp33715676p33721340.html
> >> Sent from the gambas-user mailing list archive at Nabble.com.
> >> 
> >> 
> >> ------------------------------------------------------------------------------
> >> For Developers, A Lot Can Happen In A Second.
> >> Boundary is the first to Know...and Tell You.
> >> Monitor Your Applications in Ultra-Fine Resolution. Try it FREE!
> >> http://p.sf.net/sfu/Boundary-d2dvs2
> >> _______________________________________________
> >> Gambas-user mailing list
> >> Gambas-user at lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/gambas-user
> > 
> > I assume that you are using GB2? I can't help you with that aspect of the
> > routine, I don't want to
> > bother myself with downloading the GB2 source tree just to look up how
> > Control.Grab() works, there
> > are people around here that can tell you from memory if you are patient ;)
> > (In fact, I haven't read the other mails you sent before replying to your
> > first one, sorry)
> > 
> > A suggestion: It is often better to draw on a Picture object and put that
> > into a DrawingArea for
> > display only, as I never found a way to get the "internal Picture that is
> > used by the DrawingArea"
> > mentioned in the docs. (Perhaps I just didn't look at the right places or
> > something, but if you can,
> > you could go this way)
> > 
> > Regards,
> > Tobi
> > 
> > ------------------------------------------------------------------------------
> > For Developers, A Lot Can Happen In A Second.
> > Boundary is the first to Know...and Tell You.
> > Monitor Your Applications in Ultra-Fine Resolution. Try it FREE!
> > http://p.sf.net/sfu/Boundary-d2dvs2
> > _______________________________________________
> > Gambas-user mailing list
> > Gambas-user at lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/gambas-user
> > 
> > 
> 
> -- 
> View this message in context: http://old.nabble.com/Grab-command-tp33715676p33723445.html
> Sent from the gambas-user mailing list archive at Nabble.com.
> 
> 
> ------------------------------------------------------------------------------
> For Developers, A Lot Can Happen In A Second.
> Boundary is the first to Know...and Tell You.
> Monitor Your Applications in Ultra-Fine Resolution. Try it FREE!
> http://p.sf.net/sfu/Boundary-d2dvs2
> _______________________________________________
> Gambas-user mailing list
> Gambas-user at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gambas-user

It's quite easy to draw on a DrawingArea. You have to take the DrawgingArea as a drawing device:

Draw.Begin(DrawingArea)
Draw.Picture(myPicture)
Draw.End()

(typed from scratch, no warranty, but it should be close to these lines)