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我昨天在我的插件中设置了延迟加载：

#ifdef _WIN32
#pragma warning (disable : 4100)  /* Disable Unreferenced parameter warning */
#include <windows.h>
#include <delayimp.h>
#endif

...

// Configuration Properties / Linker / Input / Additional Dependencies: ./lib/libcurl.lib;./lib/libxml2.lib;./lib/iconv.lib;./lib/zlib1.lib;%(AdditionalDependencies)
// Configuration Properties / Linker / Input /Delay Loaded Dlls: libcurl;libxml2;iconv;zlib1;%(DelayLoadDLLs)

#include "curl.h"
#include "HTMLparser.h"
#include "xpath.h"

#ifdef _WIN32
#pragma comment(lib, "libcurl")
#pragma comment(lib, "iconv")
#pragma comment(lib, "libxml2")
#pragma comment(lib, "zlib1")
#endif

[ 1 ]

我正在初始化插件加载时的 DLL：

#ifdef _WIN32
    SetDllDirectory(L"./plugins/ts3websitepreview/");
    if (FAILED(__HrLoadAllImportsForDll("libcurl.dll"))) {
        ts3Functions.logMessage("Could not load curl.", LogLevel_ERROR, "Plugin", 0);
        return 1;
    }
    if (FAILED(__HrLoadAllImportsForDll("libxml2.dll"))) {
        ts3Functions.logMessage("Could not load libxml.", LogLevel_ERROR, "Plugin", 0);
        return 1;
    }
    if (FAILED(__HrLoadAllImportsForDll("zlib1.dll"))) {
        ts3Functions.logMessage("Could not load zlib1.", LogLevel_ERROR, "Plugin", 0);
        return 1;
    }
    if (FAILED(__HrLoadAllImportsForDll("iconv.dll"))) {
        ts3Functions.logMessage("Could not load iconv.", LogLevel_ERROR, "Plugin", 0);
        return 1;
    }
#endif

[ 2 ]

这是添加编译指示语句后的构建日志：

1>------ Build started: Project: ts3websitepreview, Configuration: Debug Win32 ------
1>Build started 2016-06-15 06:35:23 PM.
1>InitializeBuildStatus:
1>  Creating "Debug\ts3websitepreview.unsuccessfulbuild" because "AlwaysCreate" was specified.
1>ClCompile:
1>  plugin.c
1>ManifestResourceCompile:
1>  All outputs are up-to-date.
1>Link:
1>     Creating library .\ts3websitepreview.lib and object .\ts3websitepreview.exp
1>LINK : warning LNK4199: /DELAYLOAD:libcurl ignored; no imports found from libcurl
1>LINK : warning LNK4199: /DELAYLOAD:libxml2 ignored; no imports found from libxml2
1>LINK : warning LNK4199: /DELAYLOAD:iconv ignored; no imports found from iconv
1>LINK : warning LNK4199: /DELAYLOAD:zlib1 ignored; no imports found from zlib1
1>Manifest:
1>  All outputs are up-to-date.
1>LinkEmbedManifest:
1>  All outputs are up-to-date.
1>  ts3websitepreview.vcxproj -> .\ts3websitepreview.dll
1>FinalizeBuildStatus:
1>  Deleting file "Debug\ts3websitepreview.unsuccessfulbuild".
1>  Touching "Debug\ts3websitepreview.lastbuildstate".
1>
1>Build succeeded.
1>
1>Time Elapsed 00:00:01.60
========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========

立即更改为：

1>------ Build started: Project: ts3websitepreview, Configuration: Debug Win32 ------
1>Build started 2016-06-15 06:39:54 PM.
1>InitializeBuildStatus:
1>  Creating "Debug\ts3websitepreview.unsuccessfulbuild" because "AlwaysCreate" was specified.
1>ClCompile:
1>  plugin.c
1>ManifestResourceCompile:
1>  All outputs are up-to-date.
1>Manifest:
1>  All outputs are up-to-date.
1>LinkEmbedManifest:
1>  All outputs are up-to-date.
1>  ts3websitepreview.vcxproj -> .\ts3websitepreview.dll
1>FinalizeBuildStatus:
1>  Deleting file "Debug\ts3websitepreview.unsuccessfulbuild".
1>  Touching "Debug\ts3websitepreview.lastbuildstate".
1>
1>Build succeeded.
1>
1>Time Elapsed 00:00:00.71
========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========

在另一个没有更改代码的构建之后。

但相反，它仍在尝试在插件初始化之前加载 DLL，给我一个：

ts3client_win32.exe - System Error
The program can't start because libcurl.dll is missing from your computer. Try reinstalling the program to fix this problem.

我在这里和这里使用了教程来延迟加载。我也阅读了这里、这里、这里和这里的问题，但没有一个能解决我的问题。

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1 回答 1

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不要忘记包含"*.dll"扩展名。在链接器选项中，您必须指定以下内容：

libcurl.dll;libxml2.dll;zlib1.dll;iconv.dll;

如果您使用#pragma comment(lib, "libcurl")，那么您不必在链接器选项中再次指定它。

SetDllDirectory(L"./plugins/ts3websitepreview/");应该足够了。你不需要__HrLoadAllImportsForDll。

如果您想DLL_PROCESS_ATTACH提前调用 DLL，请LoadLibrary改用。

于 2016-06-14T23:23:17.400 回答