J. Landman Gay wrote:
Even if you use an image's short name as an icon reference, the engine will try to resolve that into an image ID number. Under the hood, only ID numbers can be assigned as icons. So I'm guessing your image IDs duplicate some of those in the Rev IDE. Since it is possible to assign an ID to an image (they are the only controls that allow this, and it is for this exact reason) just assign a different ID to the images that conflict.
I tested this out by simply changing it in the Inspector - and of course it worked (thanks again).
But for the real solution, I wanted to reset the image IDs under program control (so the app can tell my library what values it is allowed to use to avoid conflicts). I wrote a simple function to do this -
function PlCardInitialize pStartIDand called this from the "openstack" of my app. This worked (I'm sure) when I first tried it ..... but when I close down and re-opened the stack, I get an error
local tID
put pStartID into tID
if tID is empty then put 234000 into tID -- memorable number in "reserved for app" range
repeat with i = 1 to the number of controls in stack "Playing Cards"
if word 1 of the name of control i of stack "Playing Cards" = "image" then
add 1 to tID
set the ID of control i of stack "Playing Cards" to tID
end if
end repeat
return tID+1
end PlCardInitialize
executing at 9:13:45 PM Type Image: image must be open to set id Object Playing Cards Line set the ID of control i of stack "Playing Cards" to tID Hint 234001
What exactly does "image must be open" mean ?
I tried delaying the call to PlCardInitialize until after the image has been referenced (i.e. specified as the icon for a button), and indeed until after it has been displayed - and still get the same error.
When I first tried it, I probably had the library stack open - but can't think of anything that I would have been doing to the images themselves.
-- Alex Tweedly http://www.tweedly.net
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