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1624887
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2009-10-26T13:46:36.750
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2009-10-26T17:13:57.860
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Distilling your problem, I gather: <ul> <li>You are able to load Xerces and Xalan individually, but not the test.dll file (which references the other dlls)</li> <li>You may be misled by the value <code>GetLastError()</code> returns when loading either Xerces or Xalan</li> </ul> Remember that you must call <a href="http://msdn.microsoft.com/en-us/library/ms679360%28VS.85%29.aspx" rel="nofollow noreferrer"><code>GetLastError()</code></a> immediately after the <code>LoadLibrary</code> call: From MSDN docs: <blockquote> You should call the GetLastError function immediately when a function's return value indicates that such a call will return useful data. That is because some functions call SetLastError with a zero when they succeed, wiping out the error code set by the most recently failed function. </blockquote> This is most probably a dependency/path resolution issue (i.e. <code>LoadLibrary</code> can't find the requested image). So, you have two options: <ul> <li>Does test.dll/Xerces/Xalan have other dependencies that you have not copied to your executable's folder?</li> <li>Put the dll in Windows\System32 folder and try again. If this works, then you can be sure you had hit a path problem. Read the MSDN page on <a href="http://msdn.microsoft.com/en-us/library/ms684175%28VS.85%29.aspx" rel="nofollow noreferrer"><code>LoadLibrary</code></a> -- it's a bit confusing but has some details that's easy to leave out.</li> <li>Use <code>GetCurrentDirectory</code> and <code>SetCurrentDirectory</code> to switch to and from the application's executing folder and the dll's residing folder</li> <li>Specify the full path to the dll in the call to <code>LoadLibrary</code>. You may face issues if the path name contains whitespace (this I recall from memory, please check with MSDN).</li> <li>Once done, be a good citizen and call <code>FreeLibrary</code>!</li> </ul>
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1. POVC++-MFC : LoadLibrary returns invalid handle 0x10000000
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