In this article I will describe about some new features of Visual Studio 2010 which I explored till now. These features are really very useful in terms of productive development. This article is mainly targeted for beginners of Visual Studio 2010 but everybody can get benefit on the same.
You guys all know that Microsoft Visual Studio 2010 will be launched on 12-April-2010 worldwide and currently it is in Release Candidate (RC) state. I am exploring it for a while since Beta 2 & found it really useful than the earlier versions. There are lots of features added into the account of Visual Studio 2010 which will improve the productivity of application development. Developers can use it for faster coding, collaborating among the whole team & more. In this post I will describe the new features of Visual Studio 2010 which I already explored. I think this will be beneficial for all.
Following are the new features in Visual Studio 2010.
Multi-targeting Application Development:
Using Visual Studio 2010 you can not only develop applications for the .Net 4.0 but also can use it for the development of earlier versions of the framework. While creating a new project in the IDE you will see the option to select between different types of .Net Framework (i.e. 2.0, 3.0, 3.5 & 4.0).
Depending upon your choice it will filter the project templates in the New Project dialog. If you select “.Net Framework 4.0” it will show all the project types but if you select “.Net Framework 2.0” it will only show the projects supported by .Net Framework 2.0.
Not only this, as Visual Studio 2010 builds on top of Windows Presentation Foundation (WPF), you will find it more useful while searching for a specific project type. Suppose, you want to develop an application for your client in WPF & you are finding it very difficult to search within a huge collection of project types. Don’t worry. There is a “Search Box” right to the dialog for you to help finding the same. Just enter the keyword (in this case “WPF”) & see the magic. While typing, it will auto filter based on the keyword you entered.
Faster Intellisense Support:
Visual Studio now came up with faster intellisense support. It is now 2-5 times faster than the earlier versions. The IDE will now filter your intellisense as you type. Suppose, you want to create an instance of “WeakReference” & due to the search algorithm of the VS2010 IDE, you don’t have to write the full word of the Class. Just type “WR” and it will automatically filter out that & show you “WeakReference” in the intellisense. Try it out.
Editor Zoom Functionality:
You will find this feature useful while you are showing some presentation or doing a webcast. Earlier VS2010 you have to open the options panel & then you have to change the font size of the editor, which was little bit troublesome. Now that issue is gone. You don’t have to follow where to go to change the text size. While inside the editor window, just press the control key (CTRL) and use your mouse wheel to increase/decrease the zoom level.
Faster Assembly loading in “Add Reference”:
In Visual Studio 2010 loading of assemblies in the “Add Reference” dialog is pretty fast. In earlier versions, it freezes the dialog for some time to load all the assemblies. In 2010 IDE, by default it focuses on the “Project” tab & in the background loads the other tabs. In case it is opening the dialog focusing on the “.Net” tab you will notice that instead of loading all the assemblies at a time, it loads those in a BackgroundThread. Thus improving the loading time a bit faster.
Detach Window outside IDE:
Are you working on dual monitor? If so, you will find this feature very useful. VS2010 IDE now supports detaching Window outside the editor. Suppose, you want to detach your “Error”, “Output”, “Solution Explorer” or “Properties” window in the second monitor while working in the editor in the first monitor, you can do that now. Thus it gives you more space in the editor & separating your important windows outside the IDE.
Another feature of Visual Studio 2010 IDE is the reference highlight. By this feature, it will highlight you all the call to that method or member variable, which you can find easy enough to search all the position of the reference wherever it has been called.
Faster Code Generation:
Before discussing about this feature with you, let me ask you a question “Are you using TDD i.e. Test Driven Development?”. If so, you will find this feature not only useful but very much attractive. So, what is that? Wait, lets ask yourself another question “How to write code while doing Test Driven Development?”. Thinking? Right, you have to implement the skeleton of the class & methods first and then you have to write the UnitTestcases to implement the actual logic. VS2010 came up with the excellent feature of generating codes for you. Have a look into the following snapshot:
As you can see, I don’t have a class named “Person” in my project and hence it is marking it as UNKNOWN by highlighting it in Red. If you look into the first snapshot in depth you can find out that though the class is not present in my namespace or even in the project, it is creating the class reference in the intellisense. Great, right? Wait a minute. If you now place you cursor on top of “Person” and press F10 while holding down ALT+Shift, you will see a dropdown comes up in the screen with two menu item asking you to either generate the class for you or generate a new type.
The first option you can find it easy. If you chose that, it will generate a class file named “Person” for you in the project. Lets go for the second choice where you will get more options & will find it much more interesting. This will open up a new dialog “Generate New Type” for you. There you can chose which access modifier you need (private/public/protected/internal), you can chose different types of code to generate (enum/class/struct/interface), you can also modify the location of the class file. You can either put it in the same project or you can chose a different project available in the solution. Not only that, you can also create a new file for the class or append the class in another file. In short, this feature gives you various options to customize.
Same thing is applicable while generating methods. Have a look into that.
This is another nice feature of Visual Studio 2010. Let’s describe this using an example. Suppose, you declared some properties as public & in near future you want to mark them as internal. How can you do this? You will go and replace the access modifier one by one to internal. Am I right? Yup, in Visual Studio 2010 you can do this work very easily. Press Alt+Shift and draw a Box Selection using your cursor which will look like the first snapshot. Then type the desired characters to replace the text within the selected boundary.
Here in the example, the public keywords of the properties has been marked using the Box Selector and when typing, it is actually changing in all the lines. Have a look into the second snap where I am typing “internal” to replace “public” and that’s populating in all the lines where I marked.
It is very easy now when you want to navigate to your specific code. As Visual Studio 2010 is built on top of WPF hence it has now proper filtering as and when you type. Press CTRL+, to open up the “Navigate To” dialog and this will show a list of matching criteria once you start typing in the “Search terms” field.
Better Toolbox Support:
Visual Studio now came up with better Toolbox support. You can now search Toolbox Item very easily. Just type the desired name of the Toolbox Item and the IDE will jump into the focus of matched element. Pressing TAB will bring the focus to the next matching element.
It has now a better feature in terms of Bookmarks. A team can now collaborate bookmarks between them by using the import/export bookmarks. You can now pin the debug value so that you can access it in later point of time, also you can now add a label to your bookmark.
Lets give a brief idea on this. Suppose, you are debugging your module & while debugging you found an issue in another’s module and want to let him know that there is a bug in his code and creating issues in your module. Just sending out an information requires debugging to the code again & finding out the issue by the another team member. Now in VS2010 IDE, you can now pin the debug value and export that bookmark with proper comments as an XML & send it out to your another team member. Once he imports it to his IDE, he can see the bookmark with the debug value available from the last session. From this point he can debug the root cause instead of finding out the area again. This is very useful in terms of collaborating debug information with the team.
The only thing that I don’t like here is, the XML which uses line number to store the breakpoint information. If the code has been modified in the other member side, it will not work correctly. The only requirements of the import/export to work correctly is “There should not be any modification in the shared code file”.
Visual Studio has now the feature called “IntelliTrace” by which you can trace each step of your debug points. This is very useful when it comes to a larger UI where you can find the calling thread information in the IntelliTrace Window.
There are more features like better TFS Support, in-built support for Cloud development, modeling, reports etc. which I have not explored till now. Once I explore those, will post it as a separate thread. So for now, go ahead and learn Visual Studio 2010 features and get familiar with it for productive development.
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