Length of text in MessageBox function

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#4047

From: Richard Casten
Date: Thu, 23 Mar 2006 17:04

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I am going to be displaying an error message using the MessageBox
function.  As part of displaying the error message, I want to
place an asterisk under the offending character.  If I could find
the length of any string in the font that is being used in the
message box, I could figure out what the character position of
the asterisk needs to be.
It looks like the function GetTextExtentPoint32 would be the
function to call, but I need to supply it a device context. How
would I get the device context given that I am using the
MessageBox function to display the text?

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