📄 loadlibraryex.htm
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<td width="100%" height="16">LoadLibraryEx</td>
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<td width="102%" colspan="3" height="14">VB声明</td>
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<td width="102%" colspan="3" height="14">Declare Function LoadLibraryEx Lib
"kernel32" Alias "LoadLibraryExA" (ByVal lpLibFileName As String,
ByVal hFile As Long, ByVal dwFlags As Long) As Long</td>
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<td width="102%" colspan="3" height="13">说明</td>
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<td width="102%" colspan="3" height="14">装载指定的动态链接库，并为当前进程把它映射到地址空间。一旦载入，就可以访问库内保存的资源</td>
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<td width="102%" colspan="3" height="14">返回值</td>
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<td width="102%" colspan="3" height="14">Long，若执行成功，则返回库模块的句柄；零表示失败。会设置<a
href="GetLastError.htm">GetLastError</a></td>
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<td width="102%" colspan="3" height="14">参数表</td>
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<td width="25%" height="14">参数</td>
<td width="77%" height="14" colspan="2">类型及说明</td>
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<td width="25%" height="7">lpLibFileName</td>
<td width="77%" height="7" colspan="2">String，指定要载入的动态链接库的名称。采用与<a
href="CreateProcess.htm">CreateProcess</a>函数的lpCommandLine参数指定的同样的搜索顺序</td>
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<td width="25%" height="7">hFile</td>
<td width="77%" height="7" colspan="2">Long，未用，设为零</td>
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<td width="25%" height="7" rowspan="4">dwFlags</td>
<td width="77%" height="3" colspan="2">Long，指定下述常数的一个或多个</td>
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<td width="37%" height="1">DONT_RESOLVE_DLL_REFERENCES</td>
<td width="38%" height="1">不对DLL进行初始化；仅用于NT</td>
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<td width="37%" height="1">LOAD_LIBRARY_AS_DATAFILE</td>
<td width="38%" height="1">不准备DLL执行。如装载一个DLL只是为了访问它的资源，就可以改善一部分性能</td>
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<td width="37%" height="2">LOAD_WITH_ALTERED_SEARCH_PATH</td>
<td width="38%" height="2">如lpLibFileName包含了一个路径，而且DLL还要装载额外的DLL，那么首先搜索的就是由lpLibFileName目录包含的路径，而不是应用程序装载进来时的那个路径</td>
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<td width="102%" colspan="3" height="14">注解</td>
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<td width="102%" colspan="3" height="14"><p align="left">一旦不再需要，记住用<a
href="FreeLibrary.htm">FreeLibrary</a>函数释放DLL。Windows 会跟踪了解一个DLL已装载了多少次。除非模块的使用计数减至零，否则不会在内存中实际撤消对DLL的映射</td>
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