Yes indeed :) Using cache mode for each instantiated DrawingArea we can manipulate them as desired. You asked why am I using 10 drawing areas, oddly enough the answer is to simplify things from a layout standpoint... didn't figure on having this much trouble with it... but persistence (and help) pays off. Now to print the darn things.
On 09/03/2014 11:41 AM, Jussi Lahtinen wrote: > Everything works now? > > > Jussi > > > On Wed, Sep 3, 2014 at 6:28 PM, Stephen<sbun...@smartsonsite.com> wrote: > >> Uh huh. It figures, almost four hours after the initial post, >> frustration levels climbing, I sent that email then the solution hits me >> square between the eyes. >> >> Yes use cached mode. >> >> On 09/03/2014 11:18 AM, Stephen wrote: >>> Paint.Begin and use cached mode? Trying that now. >>> >>> On 09/03/2014 11:14 AM, Stephen wrote: >>>> Typographical error in the code (not that it is causing a problem). >>>> This line >>>> >>>> mDrawingAreaMatrix[X] = NEW DrawingArea(Panel1) AS "Card"& >> CInt(X) >>>> CInt(X) is redundant and not at all what I was thinking about when I >>>> typed that line. It should more properly read; >>>> >>>> mDrawingAreaMatrix[X] = NEW DrawingArea(Panel1) AS "Card"& >> CStr(X) >>>> I'm beginning to think that what I am trying to accomplish is not >>>> possible. How can a Draw event that is not in the compile-time source be >>>> accessed during run-time? >>>> >>>> On 09/03/2014 06:39 AM, Stephen wrote: >>>>> Attached is a sample project that dynamically instantiates 10 >>>>> business card sized DrawingAreas within a Panel on a forum. The form >>>>> represents a North American letter-sized sheet of paper. Since the >>>>> Draw event must be used to draw within each of the Drawing areas, and >>>>> the the Drawing Areas are brought into existence at run-time, the >>>>> question is how to draw something on them? >>>>> >>>>> The actual project uses a database to dynamically create (or >>>>> re-create) QR or Barcode images. >>>>> >>>>> Steve. >>>>> >>>>> On 09/02/2014 07:05 PM, Stephen wrote: >>>>>> On 09/02/2014 06:22 PM, Jussi Lahtinen wrote: >>>>>>>> I guess it is the need to use the draw event in order to do anything >>>>>>>> with the drawing area that had me spun. I think in terms of methods, >>>>>>>> properties and events, but I do not think in terms of events being >> the >>>>>>>> very thing that actually does the work. >>>>>>>> >>>>>>> Draw event is called every time drawingarea needs to be drawn. >>>>>> Yes, so we force the event by the refresh method. I'm slowly >> making >>>>>> progress... documenting things as I go. Thank you taking the time to >>>>>> help. >>>>>> >>>>>>> Thus it is >>>>>>> where you put the drawing commands. >>>>>>> >>>>>>> But you can change this behavior by setting Cached property to True. >>>>>>> Then you start painting by determining painting device (Gambas >>>>>>> cannot know >>>>>>> where to draw, if you are not in specific drawing event) >>>>>>> Paint.Begin(hNameOfPaintingDevice) and end with Paint.End. >>>>>>> See the documentation. >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> I'm thinking of it now in terms of Macros, using the Object.Call(me, >>>>>>>> $sFunctionName) treats the code in $sFunctionName like a Macro, (am >>>>>>>> I on >>>>>>>> the right track?) Flexible& powerful yes. Intuitive in it's >>>>>>>> usage, not >>>>>>>> so much. >>>>>>>> >>>>>>> This only enables you to use string value to call a function. There >> are >>>>>>> many alternatives for this. >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> One of the things that really confused me was the paint.reset >> command >>>>>>>> telling me it had no device.... ummm... no "device"? To me a device >>>>>>>> is a >>>>>>>> piece of hardware, a printer, a modem, a screen, keyboard, mouse, >>>>>>>> soundcard, NIC, Com port etc. >>>>>>> In Unix/Linux device has bit broader meaning, see example /dev/null >> or >>>>>>> /dev/random. Not all devices are physical devices. >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> BTW, how does reset differ from clear? >>>>>>>> >>>>>>> http://gambaswiki.org/wiki/comp/gb.qt4/drawingarea/clear >>>>>>> http://gambaswiki.org/wiki/comp/gb.qt4/paint/reset >>>>>>> >>>>>>> >>>>>>> >>>>>>> Jussi >>>>>>> >> ------------------------------------------------------------------------------ >>>>>>> Slashdot TV. >>>>>>> Video for Nerds. Stuff that matters. >>>>>>> http://tv.slashdot.org/ >>>>>>> _______________________________________________ >>>>>>> Gambas-user mailing list >>>>>>> Gambas-user@lists.sourceforge.net >>>>>>> https://lists.sourceforge.net/lists/listinfo/gambas-user >>>>>>> >> ------------------------------------------------------------------------------ >>>>> Slashdot TV. >>>>> Video for Nerds. Stuff that matters. >>>>> http://tv.slashdot.org/ >>>>> >>>>> >>>>> _______________________________________________ >>>>> Gambas-user mailing list >>>>> Gambas-user@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/gambas-user >> >> -- >> Kindest Regards >> Stephen A. Bungay, Prop. >> Smarts On Site Information Systems >> >> >> >> ------------------------------------------------------------------------------ >> Slashdot TV. >> Video for Nerds. Stuff that matters. >> http://tv.slashdot.org/ >> _______________________________________________ >> Gambas-user mailing list >> Gambas-user@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/gambas-user >> > ------------------------------------------------------------------------------ > Slashdot TV. > Video for Nerds. Stuff that matters. > http://tv.slashdot.org/ > _______________________________________________ > Gambas-user mailing list > Gambas-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/gambas-user > -- Kindest Regards Stephen A. Bungay, Prop. Smarts On Site Information Systems ------------------------------------------------------------------------------ Slashdot TV. Video for Nerds. Stuff that matters. http://tv.slashdot.org/ _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user