>You are right, VB display the value of the constants in the debugger. But VB will let you use only literals as a constant, it will not let you use function like MsgBox. So, in the current example with SYS(), VB will not let you define such a constant.

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>I think that VB allows you to look at the constants.

Even if you wrapped it in a string like.

#DEFINE knDateTime "DATETIME()"