我有类似于Delphi应用程序任务栏洗牌，其中包括一个钩子DLL。

I have a Delphi application similar to Taskbar Shuffle that includes a hook dll.

修改：这个钩子DLL的主要的应用程序通过发送Windows消息通信

EDIT: This hook DLL communicates with the main app by sending windows messages.

我要添加支持XP和Vista x64和我最初的想法是对的dll转换为64位（与FreePascal的编译它），但保持应用程序的32位现在（德尔福）。

I want to add support to XP and Vista x64 and my initial idea was to convert the dll to 64-bit (compiling it with FreePascal) but keep the application 32-bit for now (Delphi).

是否有可能为32位应用程序来访问64位的DLL？

Is it possible for a 32-bit application to access a 64-bit dll?

EDIT2 ：我通过调用LoadLibrary加载DLL，所以我想我坚持，因为32位进程将无法加载64位DLL，根据与我阅读指出通过拉尔斯Truijens下面的答案中的一个链接。

EDIT2: I'm loading the dll via LoadLibrary so I guess I'm stuck since a 32-bit process won't be able to load a 64-bit dll, according with what I read on the link pointed by Lars Truijens on one of the answers below.

推荐答案

没有。你必须编译两个版本：64位和32位

No. You'll have to compile two versions: 64-bit and 32-bit.