<Title>Compiling and Debugging</Title>
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</OBJECT><H1>Compiling and Debugging Line Counter</H1>
<H2>Compiling - The Pitfalls</H2>
<p>The Line Counter project file includes the HTML Help Project file (LineCount.hhp)
which creates this help file using the HTML Help Compiler (hhc.exe). If you don't
have the HTML Help Authoring System installed on your system, you will not be
able to compile the Line Counter project in it's default configuration.
<p>Two options are available to remedy the situation:
<li>Download the free HTML Help Authoring System from Microsoft from this
URL: <a href="http://msdn.microsoft.com/library/tools/htmlhelp/wkshp/download.htm">
<li>Exclude LineCount.hhp from the build process, and simply use the .CHM file
that came with the distribution. To exclude LineCount.hhp, select Project|Settings,
and highlight LineCount.hhp in the file list. On the right side of the
dialog, select the "General" tab, and check the box titled "Exclude file
<H2>Debugging DevStudio Add-Ins</H2>
<p>To debug a DevStudio Add-In, you must load DevStudio with the Add-In disabled
(i.e., go to Tools|Customize|Add-Ins and disable the add-in). When you load
DevStudio the next time, the add-in will not be in memory, so you will be able
to overwrite the .dll file when you compile the project.
<p>After the compilation, execute the program. Since the add-in is nothing more
than a .dll, you will be prompted for a program to run. Specify the full path
to MSDEV.EXE. You'll get a warning message specifying that your program has no
debugging information, because MSDEV.EXE itself has none. This
warning can be safely ignored.
<p>Once MSDEV.EXE is running under the debugger, you can reactivate the add-in
from the Tools|Customize|Add-Ins dialog. The add-in will be loaded with it's
debugging information (if you compiled a Debug build), and you should be able
to set breakpoints and debug at will. The next time you run MSDEV.EXE from the
project workspace, the add-in will get loaded with it automatically.
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