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      <DIV id=3Dcontentdiv><!-- Article Starts -->
      <UL class=3Ddownload>
        <LI><A=20
        =
href=3D"http://www.codeproject.com/wtl/WTL4MFC2/WTL4MFC2_demo.zip">Downlo=
ad=20
        demo project - 59 Kb</A> </LI></UL><!-- Add the rest of your =
HTML here -->
      <H2>Contents</H2>
      <UL>
        <LI><A=20
        =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#intopart2">Introducti=
on=20
        to Part II</A>=20
        <LI><A=20
        =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#wtloverview">WTL=20
        Overview</A>=20
        <LI><A=20
        =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#beginningexe">Beginni=
ng=20
        a WTL EXE</A>=20
        <LI><A =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#wtlmsgmap">WTL=20
        Message Map Enhancements</A>=20
        <LI><A =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#appwizard">What=20
        You Get with the WTL AppWizard</A>=20
        <UL>
          <LI><A=20
          =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#thruwizard">Going=20
          through the wizard</A>=20
          <LI><A=20
          =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#examinecode">Examinin=
g=20
          the generated code</A> </LI></UL>
        <LI><A=20
        =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#msgloopinternals">CMe=
ssageLoop=20
        Internals</A>=20
        <LI><A=20
        =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#frameinternals">CFram=
eWindowImpl=20
        Internals</A>=20
        <LI><A=20
        =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#backtotheclock">Back =

        to the Clock Program</A>=20
        <LI><A =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#uiupdating">UI=20
        Updating</A>=20
        <UL>
          <LI><A=20
          =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#newmenuitems">New=20
          menu items to control the clock</A>=20
          <LI><A=20
          =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#callinguienable">Call=
ing=20
          UIEnable()</A> </LI></UL>
        <LI><A=20
        =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#fixclassview">One =
Last=20
        Note on Message Maps</A>=20
        <LI><A =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#nextup">Next=20
        Stop, 1995</A>=20
        <LI><A=20
        =
href=3D"http://www.codeproject.com/wtl/wtl4mfc2.asp#revisionhistory">Revi=
sion=20
        History</A> </LI></UL>
      <P>
      <H2><A name=3Dintopart2></A>Introduction to Part II</H2>
      <P>OK, time to actually start talking about WTL! In this part I'll =
cover=20
      the basics of writing a main frame window and cover some of the =
welcome=20
      improvements WTL gives, such as UI updating and better message =
maps. To=20
      get the most out of this part, you should have WTL installed so =
the header=20
      files are in the VC search path, and the AppWizard is in the =
appropriate=20
      directory. The WTL distribution comes with instructions on how to =
install=20
      the AppWizard, so consult the docs.</P>
      <H2><A name=3Dwtloverview></A>WTL Overview</H2>
      <P>The WTL classes can be divided into a few major categories:</P>
      <OL>
        <LI>Frame window implementation - <CODE>CFrameWindowImpl</CODE>, =

        <CODE>CMDIFrameWindowImpl</CODE>=20
        <LI>Control wrappers - <CODE>CButton</CODE>, =
<CODE>CListViewCtrl</CODE>=20
        <LI>GDI wrappers - <CODE>CDC</CODE>, <CODE>CMenu</CODE>=20
        <LI>Special UI features - <CODE>CSplitterWindow</CODE>,=20
        <CODE>CUpdateUI</CODE>, <CODE>CDialogResize</CODE>,=20
        <CODE>CCustomDraw</CODE>=20
        <LI>Utility classes and macros - <CODE>CString</CODE>,=20
        <CODE>CRect</CODE>, <CODE>BEGIN_MSG_MAP_EX</CODE> </LI></OL>
      <P>This article will cover frame windows in depth and touch on =
some of the=20
      UI features and utility classes. Most of the classes are =
stand-alone=20
      classes, although a few such as <CODE>CDialogResize</CODE> are=20
mix-ins.</P>
      <H2><A name=3Dbeginningexe></A>Beginning a WTL EXE</H2>
      <P>If you don't use the WTL AppWizard (we'll get to that later), a =
WTL EXE=20
      begins much like an ATL EXE. The sample code in this article will =
be=20
      another frame window as in Part I, but will be a bit less trivial =
in order=20
      to show some WTL features.</P>
      <P>For this section, we'll start a new EXE from scratch. The main =
window=20
      will show the current time in its client area. Here is a basic=20
      stdafx.h:</P><PRE><SPAN class=3Dcpp-preprocessor>#define =
STRICT</SPAN>
<SPAN class=3Dcpp-preprocessor>#define WIN32_LEAN_AND_MEAN</SPAN>
<SPAN class=3Dcpp-preprocessor>#define _WTL_USE_CSTRING</SPAN>
=20
<SPAN class=3Dcpp-preprocessor>#include &lt;atlbase.h&gt;       // base =
ATL classes</SPAN>
<SPAN class=3Dcpp-preprocessor>#include &lt;atlapp.h&gt;        // base =
WTL classes</SPAN>
<SPAN class=3Dcpp-keyword>extern</SPAN> CAppModule _Module; <SPAN =
class=3Dcpp-comment>// WTL version of CComModule</SPAN>
<SPAN class=3Dcpp-preprocessor>#include &lt;atlwin.h&gt;        // ATL =
GUI classes</SPAN>
<SPAN class=3Dcpp-preprocessor>#include &lt;atlframe.h&gt;      // WTL =
frame window classes</SPAN>
<SPAN class=3Dcpp-preprocessor>#include &lt;atlmisc.h&gt;       // WTL =
utility classes like CString</SPAN>