65 lines
1.7 KiB
HTML
65 lines
1.7 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>UnRAR.dll Manual</title>
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</head>
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<body>
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<h3>void PASCAL RARSetCallback(HANDLE hArcData,
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int PASCAL (*Callback)(UINT msg,LPARAM UserData,LPARAM P1,LPARAM P2),
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LPARAM UserData)</h3>
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<h3>Description</h3>
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<p>Set a <a href="RARCallback.htm">user defined callback function</a>
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to process UnRAR events.</p>
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<p>RARSetCallback is obsolete and less preferable way to specify the callback
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function. Recommended approach is to set <i>Callback</i> and <i>UserData</i>
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fields in <a href="RAROpenArchiveDataEx.htm">RAROpenArchiveDataEx</a>
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structure, when calling <a href="RAROpenArchiveEx.htm">RAROpenArchiveEx</a>.
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If you use RARSetCallback, you will not be able to read the archive comment
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in archives with encrypted headers. If you do not need the archive comment,
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you can continue to use RARSetCallback.</p>
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<h3>Parameters</h3>
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<i>hArcData</i>
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<blockquote>
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This parameter should contain the archive handle obtained from
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<a href="RAROpenArchive.htm">RAROpenArchive</a> or
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<a href="RAROpenArchiveEx.htm">RAROpenArchiveEx</a> function call.
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</blockquote>
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<i>Callback</i>
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<blockquote>
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<p>Address of <a href="RARCallback.htm">user defined callback function</a>
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to process UnRAR events.</p>
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<p>Set it to NULL if you do not want to define the callback function.
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Callback function is required to process multivolume and encrypted
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archives properly.</p>
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</blockquote>
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<i>UserData</i>
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<blockquote>
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<p>User defined value, which will be passed to
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<a href="RARCallback.htm">callback function.</a></p>
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</blockquote>
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<h3>Return values</h3>
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<blockquote>
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None.
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</blockquote>
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<h3>See also</h3>
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<blockquote>
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<a href="RARCallback.htm">User defined callback function</a>
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</blockquote>
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</body>
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</html>
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