问题描述
全部，
我有一个奇怪的问题，Intellisense for C ++项目。背景：我最近安装了VS2010 Sp1，并失去了Intellisense与SQL Server 2008 R2。我尝试安装累积更新7（CU7）推荐，这不工作。然而，重新安装SQL Server 2008 R2。然后我更新使用CU7的SQL Server 2008 R2和一切都很好。现在Intellisense工程罚款C＃项目，但现在对于C ++项目，它不是很好的工作，因为它应该（注意：C ++项目是不是 C ++ / CLI）。
I have a strange issue with Intellisense for C++ projects. Background: I have recently installed VS2010 Sp1 and had a loss of Intellisense with SQL Server 2008 R2. I tried installing Cumulative Update 7 (CU7) as recommended and this did not work. Reinstalling SQL Server 2008 R2 however, did. I then updated using CU7 for SQL Server 2008 R2 and all was good. Now Intellisense works fine for C# projects but now for C++ projects it is not quite working as it should (NOTE: C++ project is not C++/CLI).
我已禁用预编译标题（不使用预编译标题），并包含以下内容：
I have disabled Precompiled Header ("Not Using Precompiled Headers") and have the following includes:
#include <cmath>
#include <complex>
#include <iostream>
#include "stdafx.h"
#include "globals.h"
using namespace std;
注意：我知道使用std命名空间并不总是最佳做法，
NOTE: I am aware that using the std namespace is not always considered best practise, but here it will save me allot of time and there is no chance of ambiguity.
现在当我想要一个printf语句，例如，如果我键入printf我得不到Intellisense提示。但是，如果我Ctrl +空格或Ctrl + J Intellisense识别命令，它显示。下面是Intellisense不自动工作的图像。
So now when I want a printf statement for example, if I type printf I get not Intellisense prompt. However, if I Ctrl+Space or Ctrl+J Intellisense is recognising the command, and it shows up. Below is the image of Intellisense not automatically working.
现在如果我输入std :: printf，Intellisense会出现：
Now if I type std::printf, Intellisense appears:
有什么办法让VS2010 / Intellisense知道我想使用std命名空间，因为它看起来像是只是没有识别#using namespace std;命令。
Is there any way to let VS2010/Intellisense know I want to use the std namespace because it appears like it is just not recognising the "#using namespace std;" command.
非常感谢。
推荐答案
：我的第二个答案。基于Cory Nelson的评论，所以我不要求信用。
Note: My second answer. Based on a comment by Cory Nelson, so I don't claim credit.
如果我正确理解你，你希望Intellisense弹出你的时刻类型p。
If I understand you correctly, you want that Intellisense pops up the moment you type 'p'.
答案是：否，VS2010不会这样做。
Intellisense会输入:: p或std :: p，但不能输入一个普通的p。这与预编译的标头， #include 订单没有有关。它不会。
Intellisense will kick in for "::p" or "std::p", but not for a plain "p". This has nothing to do with precompiled headers, nor #include order. It just won't.
我过去使用的一些IDE有一个设置在这种情况下启用/禁用完成（我记得如此一些C ++ Builder版本），但我找不到它在VS2010。
Some of the IDEs I've worked with in the past have a setting to enable/disable completion in this case (I recall seeing so in some C++ Builder version), but I couldn't find it in VS2010.
那么为什么VS2010不允许呢？关键字可能导致不值得解决的问题，但是这是否是这里的原因？我不知道。也许VS团队的一个成员可以阐明这一点。
So why would VS2010 not allow it? Keywords could cause problems that are not worth solving, but whether that's the reason here? I don't know. Maybe a member of the VS team could shed some light on this.
更新：
我在一个新的VS2010项目中测试了这个程序：
I tested this program in a new VS2010 project:
#include <string>
using namespace std;
int main()
{
stri
}
b $ b
键入stri时没有弹出窗口。
No popup while typing "stri".
string出现在ctrl空格后的弹出窗口中， 使用命名空间std; ，以便正确地对使用作出反应。
"string" appears in the pop-up after ctrl-space, and is absent when I remove the using namespace std; so it correctly reacts to the using.
键入 :: 后，Intellisense激活， :: s 建议SA_AccessType（从文件sourceannotations.h ），因此清单预先填充了许多系统标题。
After typing ::, Intellisense activates and after ::s suggests SA_AccessType (from the file sourceannotations.h), so the list is clearly prepopulated with many system headers.
如果我输入 if 并强制Intellisense弹出在列表中没有 if 。如果我然后键入（，如果我想键入 if（，它更正为 ifstream（。因此，如果Intellisense总是弹出，就很难键入关键字。
If I type if and force Intellisense to pop-up, there is no if in the list. If I then type the ( as if I wanted to type if(, it corrects to ifstream(. So if Intellisense would always pop-up, it would be much harder to type keywords.
这篇关于在VS2010中的C ++的智能感知的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！