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Article #1606

Re: how to resolve conflicts in gdi+ ?

#1606
From: Bob Gonder
Date: Thu, 05 Jul 2007 20:55
17 lines
2003 bytes
Remy Lebeau (TeamB) wrote:

>Then the compiler is wrong.  There is no ambiquity in that code.  The
>Graphics class has only two constructors which accept an HDC as a
>parameter.  The first constructor accepts only an HDC by itself,
>whereas the second constructor accepts an additional HANDLE parameter.
>That parameter does not have a default value defined, however, so
>there is no way that passing an HDC by itself to a Graphics
>constructor like FromHDC(HDC) does can be ambiquious with the second
>constructor.  It doesn't matter if STRICT is defined or not.  The
>number of parameters dictates which constructor to call before the
>parameter types are then validated.

From my C perspective, those constructors are forward references (FromHDC(HDC) occurs
before the HDC constructor is described).
It seems to me that the compiler might make assumptions about a default constructor, but
be unable to reconcile 2 different constructors that it doesn't know about.
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From: Bob Gonder <notbg@notmindspring.invalid>
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: how to resolve conflicts in gdi+ ?
Date: Thu, 05 Jul 2007 13:55:34 -0700
Organization: MindSpring Enterprises, Inc.
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