Win32Lib bug
I don't know if this is what's causing the crash, but there is a problem =
with the program ex06.exw shared earlier today. In the show_it() =
procedure, list1 changes its state with the setText(..) procedure. This =
triggers and onChange event which calls show_it() looping continuously. =
Now, by my logic, this problem would cause a memory overflow or infinite =
loop and would thus be easy to track down. However, there is a problem =
with setText as reported in the documentation. The list is a sequence =
(thus in C, a structure). Because structures are sent to Windows =
manually, and not by Euphoria with a list box, there are a few =
possibilities I can see (but I'm sure they've already been tried):
1. The new structure is not being set on a 4-byte boundary (Windows =
law).
2. The new structure IS being set on a 4-byte boundary that's already =
occupied.
3. The list structure is exceeding the size of a page (usually 64K) by =
starting in the middle of it.
4. The new structure is longer than the allocated space for this =
structure.
With all the other structures used in Win32Lib, I think they are pretty =
static (watch me put my foot in my mouth :)), but to define the contents =
of a list box/combo box, we need a dynamic structure. Does this have =
anything to do with it?
Michael J. Sabal
mjs at osa.att.ne.jp
http://home.att.ne.jp/gold/mjs/index.html
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