blocks|key|1503932|text|为了完整起见，如果您想要做的只是打开一个文件夹，请使用以下命令：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1503933|System.Diagnostics.Process.Start(new+System.Diagnostics.ProcessStartInfo()+{
++++FileName+=+"C:\\teste\\",
++++UseShellExecute+=+true,
++++Verb+=+"open"
});|code-block|syntax|javascript|1503934|确保FileName以Path.DirectorySeparatorChar结尾，使其明确指向文件夹。(感谢@binki。)|offset|length|style|CODE|1503935|这个解决方案不适用于打开一个文件夹和选择一个项目，因为似乎没有一个动词可以这样做。|1503936|entityMap^0|0|0|B|R|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@$I|T|J|U|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|V|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

Just for completeness, if all you want to do is to open a folder, use this:

<pre><code>System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo() {
 FileName = "C:\\teste\\",
 UseShellExecute = true,
 Verb = "open"
});
</code></pre>

Ensure FileName ends with <code>Path.DirectorySeparatorChar</code> to make it unambiguously point to a folder. (Thanks to @binki.)

This solution won't work for opening a folder and selecting an item, since there doesn't seem a verb for that.

blocks|key|1289691|text|如果要选择文件或文件夹，可以使用以下命令：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1289692|Process.Start("explorer.exe",+"/select,+c:\\teste");|code-block|syntax|javascript|1289693|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

If you want to select the file or folder you can use the following:

<pre><code>Process.Start("explorer.exe", "/select, c:\\teste");
</code></pre>

blocks|key|1503704|text|您正在使用@符号，它消除了转义反斜杠的需要。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1503705|删除@或将\替换为|1503706|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

You're using the @ symbol, which removes the need for escaping your backslashes.

Remove the @ or replace \\ with \

blocks|key|1289049|text|在使用非转义字符串时，不需要双反斜杠：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1289050|System.Diagnostics.Process.Start("explorer.exe",@"c:\teste");|code-block|syntax|javascript|1289051|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

You don't need the double backslash when using unescaped strings:

<pre><code>System.Diagnostics.Process.Start("explorer.exe",@"c:\teste");
</code></pre>

blocks|key|1504129|text|您应该使用其中一个System.Diagnostics.Process.Start()重载。这很简单！|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1504130|如果您没有输入要运行的进程的文件名(explorer.exe)，系统会将其识别为有效的文件夹路径，并尝试将其附加到已在运行的资源管理器进程。在这种情况下，如果文件夹已经打开，资源管理器将不执行任何操作。|1504131|如果您放置了进程的文件名(如您所做的)，系统将尝试运行该进程的一个新实例，并将第二个字符串作为参数传递。如果字符串是一个有效的文件夹，它将在新创建的进程上打开，如果不是，新进程将不执行任何操作。|1504132|在任何情况下，我都不知道进程如何处理无效的文件夹路径。使用System.IO.Directory.Exists()应该足以确保这一点。|1504133|entityMap^0|9|Y|0|I|C|0|0|T|S|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Q|8|@$9|R|A|S|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|T|8|@]|D|@]|E|$]]|$1|J|3|K|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|L|3|-4|5|6|7|X|8|@]|D|@]|E|$]]]|M|$]]

You should use one of the <code>System.Diagnostics.Process.Start()</code> overloads. It's quite simple!

If you don't place the filename of the process you want to run (<code>explorer.exe</code>), the system will recognize it as a valid folder path and try to attach it to the already running Explorer process. In this case, if the folder is already open, Explorer will do nothing.

If you place the filename of the process (as you did), the system will try to run a new instance of the process, passing the second string as a parameter. If the string is a valid folder, it is opened on the newly created process, if not, the new process will do nothing.

I don't know how invalid folder paths are treated by the process in any case. Using <code>System.IO.Directory.Exists()</code> should be enough to ensure that.

blocks|key|1289067|text|当at符号为您做这件事时，您正在转义反斜杠。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1289068|System.Diagnostics.Process.Start("explorer.exe",@"c:\teste");|code-block|syntax|javascript|1289069|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

You're escaping the backslash when the at sign does that for you.

<pre><code>System.Diagnostics.Process.Start("explorer.exe",@"c:\teste");
</code></pre>

blocks|key|1289134|text|使用采用ProcessStartInfo实例的方法的重载版本，并将ProcessWindowStyle属性设置为适合您的值。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1289135|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Use an overloaded version of the method that takes a ProcessStartInfo instance and set the ProcessWindowStyle property to a value that works for you.

blocks|key|1504221|text|System.Diagnostics.Process.Start("explorer.exe",@"c:\teste");+|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1504222|这段代码在VS2010环境中工作得很好，可以正确地打开本地文件夹，但是如果您在IIS中托管相同的应用程序并尝试打开，那么它肯定会失败。|unstyled|1504223|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>System.Diagnostics.Process.Start("explorer.exe",@"c:\teste"); 
</code></pre>

This code works fine from the VS2010 environment and opens the local folder properly, but if you host the same application in IIS and try to open then it will fail for sure.

blocks|key|1289743|text|我刚刚遇到了这个问题，我找到了原因。我的原因没有在这里列出，所以任何其他人谁得到这个问题，但这些都没有解决它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1289744|如果您以另一个用户的身份运行Visual+Studio并尝试使用Process.Start，它将在该用户的上下文中运行，并且您不会在屏幕上看到它。|1289745|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Ive just had this issue, and i found out why. my reason isnt listed here so anyone else who gets this issue and none of these fix it.

If you run Visual Studio as another user and attempt to use Process.Start it will run in that users context and you will not see it on your screen.

blocks|key|1503902|text|真奇怪。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1503903|如果它找不到explorer.exe，你应该得到一个异常。如果它不能找到文件夹，它应该仍然打开一些文件夹(例如我的文档)|1503904|您说另一个Explorer副本出现在任务管理器中，但您看不到它。|1503905|它有可能在屏幕外打开(另一个显示器)吗？|1503906|或者，您是否碰巧在非交互式服务中执行此操作？|1503907|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|N|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|O|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|K|$]]

Strange.

If it can't find explorer.exe, you should get an exception. If it can't find the folder, it should still open some folder (eg my Documents)

You say another copy of Explorer appears in the taskmanager, but you can't see it.

Is it possible that it is opening offscreen (ie another monitor)?

Or are you by any chance doing this in a non-interactive service?

blocks|key|1503976|text|当您从开始菜单运行"explorer.exe+c:\teste“时，它是否正确打开？你试了多久了？当我的机器有很多进程，当我打开一个新进程(设置为IE)时，我看到了类似的行为，..it在任务管理器中启动，但不在前端显示。您尝试过重新启动吗？|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1503977|下面的代码应该会打开一个新的资源管理器实例|1503978|class+sample{

static+void+Main()
{
++System.Diagnostics.Process.Start("explorer.exe",@"c:\teste");
}
}|code-block|syntax|javascript|1503979|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Does it open correctly when you run "explorer.exe c:\teste" from your start menu? How long have you been trying this? I see a similar behavior when my machine has a lot of processes and when I open a new process(sets say IE)..it starts in the task manager but does not show up in the front end. Have you tried a restart?

The following code should open a new explorer instance

<pre><code>class sample{

static void Main()
{
 System.Diagnostics.Process.Start("explorer.exe",@"c:\teste");
}
}
</code></pre>

blocks|key|1289376|text|当你尝试这样做的时候，你有很多应用程序在运行吗？我在工作中有时会遇到奇怪的行为，因为我的系统用完了GDI句柄，因为我打开了太多的窗口(我们的应用程序使用了很多)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1289377|当发生这种情况时，窗口和上下文菜单不再出现，直到我关闭一些东西来释放一些GDI句柄。|1289378|XP和Vista中的默认限制是10000。对于我的DevStudio来说，有1500个GDI句柄并不少见，所以如果你打开了几个Dev+studio的副本，它很快就会把它们吃光。您可以在TaskManager中添加一列，以查看每个进程使用了多少句柄。|1289379|有一个注册表调整，你可以做来增加限制。|1289380|有关更多信息，请参阅http://msdn.microsoft.com/en-us/library/ms724291(VS.85).aspx|offset|length|1289381|entityMap|0|LINK|mutability|MUTABLE|url|http://msdn.microsoft.com/en-us/library/ms724291(VS.85).aspx^0|0|0|0|0|A|1O|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|V|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|W|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|X|8|@]|9|@$J|Y|K|Z|1|10]]|A|$]]|$1|L|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|S]]]]

Do you have a lot of applications running when you are trying this?
I encounter weird behavior at work sometimes because my system runs out of GDI Handles as I have so many windows open (our apps use alot).

When this happens, windows and context menus no long appear until I close something to free up some GDI handles.

The default limit in XP and Vista is 10000.
It is not uncommon for my DevStudio to have 1500 GDI handles, so if you have a couple of copies of Dev studio open, it can eat them up pretty quickly. You can add a column in TaskManager to see how many handles are being used by each process.

There is a registry tweak you can do to increase the limit. 

For more information see <a href="http://msdn.microsoft.com/en-us/library/ms724291(VS.85).aspx" rel="nofollow noreferrer">http://msdn.microsoft.com/en-us/library/ms724291(VS.85).aspx</a>

blocks|key|1289628|text|System.Diagnostics.Process.Start("explorer.exe",@"c:\teste");|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1289629|只需更改路径或在string中声明它|1289630|entityMap^0|0|1P|0|8|6|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

<code>System.Diagnostics.Process.Start("explorer.exe",@"c:\teste");</code>

Just change the path or declare it in a <code>string</code>

I saw the <a href="//stackoverflow.com/q/334630">other topic</a> and I'm having another problem. The process is starting (saw at task manager) but the folder is not opening on my screen. What's wrong?

<pre><code>System.Diagnostics.Process.Start("explorer.exe", @"c:\teste");
</code></pre>

Open a folder using Process.Start

Visual Studio

我看到了，我遇到了另一个问题。进程正在启动(在任务管理器中看到)，但文件夹在我的屏幕上没有打开。怎么了？System.Diagnostics.Process.Start("explorer.exe", @"c:\teste");

问使用Process.Start打开文件夹
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