在Delphi XE环境下使用Delphi5
是否可以在新的 XE IDE 中编译 Delphi5 项目而无需任何迁移？
如果已经使用Delphi5 IDE有一段时间了，说实话，它很旧、不友好、不灵活。我尝试了 XE 并给我留下了深刻的印象，但是我对将项目迁移到较新版本的 Delphi 不感兴趣。
那么，有可能吗？如果没有，还有其他支持 Delphi5 的 IDE 吗？
Is it possible to compile a Delphi5 project in the new XE IDE without any migration?
If've been using Delphi5 IDE for quite a while now and, to be honest, it is old, unfriendly and unflexible. I tried out XE and was impressed, however I am not interested in migrating projects to newer versions of Delphi.
So, is it possible? And if not, are there other IDEs that support Delphi5 in that matter?
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不幸的是，事实并非如此——Delphi XE 仅支持 unicode。并且没有其他 IDE。至于 Delphi 5 - 这是一个很棒的版本，直到现在我们都广泛使用它。尝试为 Delphi 5 寻找一些附加组件和专家，使开发更加舒适。 CodeRush、ModelMaker Explorer 都是商业的，并且有一些免费的插件。我个人使用的是 ModelMaker Explorer for Delphi 5，这是我几年前购买的。
Unfortunately it's not - Delphi XE is unicode-only. And there are no other IDEs. As for Delphi 5 - that was a great version and we widely use it until now. Try looking for some add-ons and experts for Delphi 5 that make development more comfortable. CodeRush, ModelMaker Explorer are commercial ones, and there were some free addons. Personally I use ModelMaker Explorer for Delphi 5, which I purchased years ago.
在我们的例子中，我们的项目从 D7 迁移到 D2010 大约需要 4-5 周的时间。有一些很好的链接，您可以在其中查看应该修改哪种代码，并思考在您的情况下是否值得，主要区别是 Unicode 问题。
例如，任何对字符串进行操作或指针操作的代码都应该检查 Unicode 兼容性。更具体地说，任何符合以下条件的代码：
假设 SizeOf(Char) 为 1
假设字符串的长度等于中的字节数
字符串
从某些持久存储中写入或读取字符串或使用字符串
作为数据缓冲区
查看来自 Embarcadero 的完整文章
In our case it took around 4-5 weeks to migrate our project from D7 to D2010. There are some good links where you can see what kind of code should be modified and think if it worth it in your case, the main difference is the Unicode-issue.
For example, any code that manipulates or does pointer operations on strings should be examined for Unicode compatibility. More specifically, any code that:
Assumes that SizeOf(Char) is 1
Assumes that the Length of a string is equal to the number of bytes in
the string
Writes or reads strings from some persistent storage or uses a string
as a data buffer
Take a look at the complete article from Embarcadero
如果您购买 XE，您也有权使用旧版本的 IDE（回到 D7、IIRC）。 Delphi 2007 几乎是与 XE 一样好的 IDE，只要您有源代码，只需稍作修改，它就可以编译 D5 代码。 （通常，必须将变体添加到使用子句中是主要问题。）
If you buy XE, you're entitled to older versions of the IDE as well (back to D7, IIRC). Delphi 2007 is almost as good an IDE as XE, and it will compile D5 code as long as you have the source with only minor changes. (Typically, having to add Variants to the uses clause is the major issue.)
Andreas Hausladen 有一个 Delphi 插件，可以提供此类功能（使用与该 IDE 原生版本不同的 dcc32 版本在 IDE 中进行编译）。它称为 IDE 编译器插件。
然而，它仅适用于 Delphi 2007 和 2009。坦率地说，我认为您最好同时安装两个版本的 Delphi。
Andreas Hausladen has a Delphi plugin that offers this sort of functionality (compile in an IDE using a different version of dcc32 than native to that IDE). It's called IDE Compiler Plugin.
However, it's only available Delphi 2007 and 2009. To be frank I think you are better keeping both versions of Delphi installed side by side.