Re: Base64Encode HGLOBAL from clipboard

"Igor Tandetnik" <>
Thu, 12 Jun 2008 08:01:57 -0400
"Jeff" <> wrote in message

I am trying to base64 encode some binary data stored on the
clipboard. The resulting string will be stored in an XML file. The
data is a PNG image, and the string I get from ATL::Base64Encode seems
to be very wrong. The data on the clipboard seems to be fine, and I
believe that I am retrieving it correctly, but the string has several
invalid characters at the end ("????????????????"), and there are no
'=' characters.

Base64EncodeGetRequiredLength returns the required length without
terminating NUL character, and Base64Encode doesn't write it. Hence the
"invalid characters at the end" - it's random garbage beyond the end of
the buffer.

As to no '=' characters, you explicitly asked for them not to be there,
by specifying ATL_BASE64_FLAG_NOPAD flag.
With best wishes,
    Igor Tandetnik

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