Hi - I'm using Lua 5.3 and IUP 3.26 to run embedded Lua scripts in my Visual
C++ 2017 application, and I'm having problems with IUP dialogs which cause
my application to crash - but only in debug mode. For example, the
following script will cause my application to crash if (and only if) you
click the OK button:
require( "iuplua" )
btn = iup.button { name="ok", title="OK",
action = function()
return iup.CLOSE
end
}
dlg = iup.dialog{btn; title="Test dialog"}
dlg:show()
iup.MainLoop()
dlg:destroy()
The crash actually occurs in the dlg:destroy() call. If I comment out
"return iup.CLOSE" it does not crash (and pressing OK doesn't close the
dialog either ). If I close the dialog by clicking on the cross in the
top-right corner it does not crash. If I don't comment out "return
iup.CLOSE" but instead comment out dlg:destroy() it will crash my
application when the script ends (but only if I've clicked the OK button).
I know that iup.GetParams is implemented using an iup dialog, but that seems
to work fine for me. For example, this code does not crash even if I click
the OK button to close the dialog:
require("iuplua")
iTest = 1
iup.GetParam("Options", nil, "Test %i\n", iTest)
Presumably iup.GetParam must be doing something very similar to what I'm
trying to do. But it is doing it in a way that does not crash my app.
Anyone got any thoughts on what's going wrong? All help much appreciated.
Simon
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