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Topic: To check up _bstr_t a line on empty value

Hello dear GURUS!
Prompt please as it is possible to check up _bstr_t a line on empty value or empty

_bstr_t Value =L "";.

Thus Value.length () it will be equal 6 because value equally "(null)" - and these are 6 characters
There there are any singularities, but  it did not turn out
In advance I thank.

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Re: To check up _bstr_t a line on empty value

And the documentation to read?
https://msdn.microsoft.com/en-us/library/zthfhkd6.aspx

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Re: To check up _bstr_t a line on empty value

White Owl, thanks