Why aren EXTERNAL variables visible between programs?
EXTERNAL variables are shared between statically linked programs, not libraries. In other words, if three programs declare EXTERNAL trouble, and the object files of the three programs are linked together into a single executable, a single trouble variable is referenced by all three programs, and trouble is therefore shared by all three programs. The executable can be a .EXE or a .DLL . If three programs are linked into three executables, however, all three programs has its own trouble . XuiSendMessage (g, #SetImage, 0, 0, 0, 0, 0, dir$ + “my.bmp”) .
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