We’ve just published an update to the Console UWP App project templates on the Visual Studio marketplace here. The latest version (v1.5) adds support for C#. The C# template code only works with Visual Studio 2017 version 15.7 or later. In a previous post, I described how to build a simple findstr UWP app using the C++ Console templates. In this post, we’ll look at how to achieve the same with C#, and call out a few additional wrinkles you should be aware of.
If C++ is not an already installed language in Visual Studio, you need to install Desktop development with C++ through the Visual Studio Installer: After installing the Desktop development with C++ workload, you can choose the Win32 Console Application template and create your HelloWorld project. Visual Studio dev tools & services make app development easy for any platform & language. Try our Mac & Windows code editor, IDE, or VSTS for free.
The problem is, a console application is an application which runs in a cmd box (since that is the console). Also, if you did manage to run the application disconnected from the console, the keyboard input wouldn't work, since it is connected up through the console (so you wouldn't be able to use wcin). Visual Studio 2015 Other Versions Visual Studio 2013; Visual Studio 2012 The latest version of this topic can be found at Console Applications in Visual C++. A console application accepts input and sends output to the console, which is also known as the command prompt. You can create console apps to do basic work or to perform very.
Having installed the updated VSIX, you can now choose a C# Console UWP App from the New Project dialog:
Visual Studio for Mac: Application Output console disappears. Visual studio for mac. Olof Hellman [MSFT] reported Mar 05 at 10:51 PM. Write a simple console app and run it. At the bottom of the window, click the 'Application Output' placard to make the Application Output Console show up -- this shows the output of what the app has written to.
Note that C# console apps are only supported from version 10.0.17134.0 of the platform. You should therefore specify a version >= 10.0.17134 for the minimum platform version when you create your project. If you forget this step, you can fix it at any time later by manually editing your .csproj and updating the TargetPlatformMinVersion value.
Also note that with the C# template, you might get the error message “Output type ‘Console Application’ is not supported by one or more of the project’s targets.” You can safely ignore this message – even though it is flagged as an error, it doesn’t actually make any difference to anything and doesn’t prevent the project from building correctly.
As with the C++ template, the generated code includes a Main method. One difference you’ll notice with the C# version is that the command-line arguments are passed directly into Main. Recall that in the C++ version, you don’t get the arguments into main, but instead you need to use the global __argc and __argv variables. Notice that you can also now use the System.Console APIs just as you would in a non-UWP console app.
As before, for the file-handling behavior needed for the findstr app, you need to add the broadFileSystemAccess restricted capability. Adding this will cause your app to get some extra scrutiny when you submit it to the Store. You will need to describe how you intend to use the feature, and show that your usage is reasonable and legitimate.
https://intensivesp.weebly.com/app-store-to-download-dvds-for-mac.html. Because the app will be doing some simple file handling and pattern matching, in the C++ version, I had to #include the Windows.Storage.h and regex, and declare the corresponding namespaces. Mac terminal app for windows 7. In C#, you need the equivalent Windows.Storage and System.Text.RegularExpressions namespaces.
https://intensivesp.weebly.com/rar-app-for-mac.html. For the findstr functionality, recall that I’m expecting a command-line such as “CsFindstr foo C:Bar”, where “foo” is the pattern to search for, and “C:Bar” is the folder location from which to start the recursive search. I can strip out all the generated code in Main, and replace it with firstly a simple test for the expected number of command-line arguments, and secondly a call to a RecurseFolders method (which I’ll write in a minute). In the C++ version, I tested __argc < 3, but in the managed version I need to test the incoming args.Length for < 2 (the executable module name itself is not included in the C# args).
Now for the custom RecurseFolders method. Inside this method, I need to use a number of async methods for the file handling, so the method needs to be declared async – and this is also why I called Wait() on the Task return from the method back up in Main. I can’t make Main async, so I must make sure to contain all meaningful async return values within the lower-level methods.
In this method, I’ll get the StorageFolder for the root folder supplied by the user on the command-line, get the files in this folder, and then continue down the folder tree for all sub-folders and their files: Acdc catalog app for mac.
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The GetDirectories method is the actual recursive method that performs the same operation (get the files in the current folder, then recurse sub-folders):
Finally, the SearchFile method, which is where I’m doing the pattern-matching, using Regex. As before, I’m enhancing the raw search pattern to search for any whitespace-delimited “word” that contains the user-supplied pattern. Then I walk the returned MatchCollection, and print out all the found “words” and their position in the file.
With this, I can now press F5 to build and deploy the app. For console apps it often makes sense to set the Debug properties to “Do not launch, but debug my code when it starts” – because the most useful testing will be done with varying command-line arguments, and therefore by launching the app from a command prompt rather from Visual Studio.
I can test the app using a command window or powershell window:
That’s it! You can now write Console UWP apps in C#. Full source code for this sample app is on Githubhere.
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Visual Studio For Mac Os
The options included in Visual Studio for Mac Community Edition's project template dropdown only include C#, F#, IL, and VBNet. I am interested in creating a C/C++ console project, instead.
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Ilias KarimIlias Karim
1 Answer
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No. Visual Studio for Mac supports onlyF# and C#; please check Visual Studio 2017 for Mac Platform Targeting and Compatibility.
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