I don't know why you would have a problem with that; Once you understand how to use pointers, you should have no problems with handles;
On Sat, Oct 15, 2016 at 12:05 AM, Bob Sneidar <bobsnei...@iotecdigital.com> wrote: > When I was learning Pascal, I discovered that a handle was a pointer to a > pointer. When I learned why that had to be, I decided to stick with > Hypercard. :-) > > Bob S > > > > On Oct 9, 2016, at 18:12 , JB <sund...@pacifier.com> wrote: > > > > Livecode has imported foundation which gives users > > the ability to access those libraries and it was written > > you can use pointers. Pointers are used in both C & > > objective-C. You write them a little different but the > > basic concept is the same. A pointer points to a > > location in memory. A variable is an object which the > > pointer points to. If variable X holds the integer 34 & > > is located in the memory stack at 4217 the pointer will > > simply hold that address which points you to 4217 in > > memory so you can access and change the contents > > of the memory at 4217 which is the object named X > > and it is a variable of the type int or another type. > > > > To efficiently write code using pointers you need a > > good understanding of them. Here is a link to one > > of the best tutorials I have seen on pointers; > > > > http://pw1.netcom.com/~tjensen/ptr/pointers.htm > > > > This is written for beginners but it is so good even > > many advanced programmers with a good knowledge > > of pointers will benefit greatly from reading it. > > > > JB > > > > _______________________________________________ > > use-livecode mailing list > > use-livecode@lists.runrev.com > > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > > http://lists.runrev.com/mailman/listinfo/use-livecode > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > -- On the first day, God created the heavens and the Earth On the second day, God created the oceans. On the third day, God put the animals on hold for a few hours, and did a little diving. And God said, "This is good." _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
