将IntPtr与IComparer< T>一起使用。 [英] Using IntPtr with IComparer<T>

问题描述

此处有三个相关问题：

• IntPtr 结构显然未实现< 和> 运算符。有没有一种方法可以执行此比较而不将结构转换为int或long？


• 为什么< 和> 运算符未在此结构上实现吗？


• 我正在枚举32位进程中的窗口。似乎还包括64位进程的Windows，这很好。如何确定在IntPtr结构上使用ToInt32还是ToInt64？

• The IntPtr structure apparently does not implement < and > operators. Is there a way to perform this comparison without converting the structure to an int or long?
• Why are the < and > operators not implemented on this structure?
• I am enumerating windows from a 32 bit process. Windows from 64 bit processes also seem to be included, which is fine. How can I tell whether to use ToInt32 or ToInt64 on the IntPtr structure?

上下文：Windows 7（64位），VS 2010， WinForms（32位）。

Context: Windows 7 (64 bit), VS 2010, WinForms (32 bit).

我要提取的目标窗口包括64位应用程序，例如包含小工具的Windows边栏。如果我有任何错误的假设，请告诉我。

The target windows I want to extract include 64 bit apps such as the Windows Sidebar containing gadgets. If I have taken any wrong assumptions, please let me know.

推荐答案

为什么<和>运算符未在此结构上实现？

Why are the < and > operators not implemented on this structure?

因为没有意义（在大多数情况下）比较指针的地址是小于还是大于某个其他数字或其他地址。顺便说一下，IntPtr类也提供了相等函数。

Because there is no point (in most cases) of comparing if address of a pointer is less or bigger of some other number or other address. By the way IntPtr class provides equality function too.

IntPtr.Equals

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