On Wed, 2017-08-16 at 02:02 +0200, Tobias Boege wrote: > On Wed, 16 Aug 2017, Doug Hutcheson wrote: > > Thanks for the explanation, Tobias. Having fixed the declaration, I > > am > > able to run the code, but all I see is an empty form with no > > controls. > > Sigh. I will keep hacking until I understand enough to make it > > work. > > > > In case you don't want to figure it out on your own (although you > didn't > ask), this is most likely because the code uses the Picture[] cache. > It accesses Picture["imgSwtchOn.png"] and Picture["imgSwtchOff.png"], > but you probably don't have those files in your application (you > don't > unless you added them on your own). Since Picture[] is the picture > cache, > it won't raise an error if the named pictures aren't found and > returns a > silent Null instead. Assigning Null to a PictureBox.Picture clears > the > PictureBox. This is why you don't see anything. > > Actually this example is horrible. Not only uses it resources which > aren't available by default, it also relies on the geometry of the > PictureBoxes and Mouse coordinates to identify which PictureBox > raised the event, instead of simply using Last. And then it > needlessly > uses Object instead of PictureBox, and uses a *bitmask* to store the > on/off state of the pictures instead of just the PictureBox's Tag > property. Not to mention it isn't indented properly. There is a high > density of things I would advise to avoid here. Why did you choose > this of all to learn from? :-) > > I updated the example and it should work out of the box now. > > Regards, > Tobi >
Thanks for making me smile, Tobi. I will now download the corrected version and use that as my learning platform. I must admit, the indentation was not to my liking, but I thought "well, it is on the site as an example, so it must be correct". Chuckle. Kind regards, Doug ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user
