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What value type is Global in Visual Basic?

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  #1  
Old March 12th, 2006, 01:49 AM
Athono Athono is offline
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What value type is Global in Visual Basic?
What value type is Global in Visual Basic?

If I have something defined like this:

Code:
Global ErrorStatus&


And I have know what data type this is. I have heard that the compiler sets the data type based on how it is used. Well, suppose I have this problem where I have to know what the default type it is because I am sending it to a C++ DLL. What type should I expect?
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Old March 12th, 2006, 02:40 AM
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Global is not a variable type, its to say that the identifier can
be used in the whole page, and is not confined to the function/sub
where you have declared it, it will be of type variant, so that you can assign
any type of values to it.

hope this helps
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Old March 12th, 2006, 11:00 AM
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yep the default in VB is Variant - kind of "joker" type.
what exactly are you trying to do? give more details and
maybe we can help...
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Old March 12th, 2006, 04:31 PM
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VB has a VarType() function you can use to identify the datatype of a variable.
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Old March 12th, 2006, 06:29 PM
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Quote:
Originally Posted by Shadow Wizard
yep the default in VB is Variant - kind of "joker" type.
what exactly are you trying to do? give more details and
maybe we can help...


I understand that Global is not a data type. I understand that it only means that it can be used outside the area where it is declared.

The probelm is that this variable is passed from a Visual Basic GUI to a c++ dll and I need to know how to declare variable in the argument list.

If it is a variant type, I think I will look into seeing how I can do that.
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