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"Peter Duniho" nnowslpianmk.com> wrote in message
news:op.tpnbyd0g8jd0ej@petes-computer.local...

oops wrong group - sorry

Hi is there a neat way of testing the textwidth in a listbox?
GetTextExtentPoint() returns for dc selected font, surely there's a better
method than:

query the listbox font metrics
selecting it into the dc
calling GetTextExtentPoint32

?

On Mon, 12 Mar 2007 02:36:58 +0800, rn nowaynospam.com> wrote:

Will it? Impossible to say. Could it? Yes, you are right...it is
certainly a possibility. You could have delays during both the call to
connect to the server as well as the call to receive the data.

Also, make sure you don't fall into the classic novice trap of assuming
that the recv() function will return all of the data sent in a single
call. You cannot guarantee that. If you expect (for example) five bytes,
you need to check the byte count returned from recv() and continue calling
recv() until the total bytes received is actually five (in a loop, of
course).

Any time the server, intermediate computers, or local computer is delayed
for any reason.

Hello,

I have a very simple need:

I want the users of my Windows application to be able to check if there is a
newer version of my application
available on my server.

I've managed to get that working as a synchronous connection

using
connect()

send()

recv()

closesocket()

etc

Everything works fine and my app can read the needed file on my server which
is 5(!) bytes (just to check the version number)

My question:

Since this is a synchronous connection, I understand it could possibly block
my application if the connection is delayed for some reason.

Will this ever happen?

If so, when?