Is there any way to 'highlight' code? [duplicate] - visual-studio-2010

This question already has answers here:
Is there a way to highlight the currently active code block in Visual Studio 2010?
(4 answers)
Closed 9 years ago.
I'm currently using Visual Studio 2010 (and also have a copy of Visual Studio 2005 which I'm also happy to use if the functionality is available in it but not '10)
What I'm wondering is if there is any way to highlight pieces of code?
For instance, I'm currently working on an assignment to take a piece of code, and change the stack implementation. It would be really useful if I could highlight the stack implementation specific pieces of code so that it's easy for me to just glance at the screen and know which pieces need my attention rather than having to visually wade through it.
(I am using comments to highlight the stack implementation specific code - but they get a little lost amidst other comments - and this seems like a better idea.)

You might consider using bookmarks at the start of a section you are interested in, or on a specific line. While this does not highlight the lines of code, it does provide a visual indicator in the left margin.
If you use the AllMargins extension, it also appears there. This is a handy way to quickly see if there any bookmarks in the current document, and also helps since the bookmark icon on the left will not appear in collapsed regions.
By using bookmarks, you can also use the bookmarks window to quickly navigate to the code you are interested in:

Consider using #region and #endregion blocks.
From MSDN:
#region lets you specify a block of code that you can expand or collapse when using the outlining feature of the Visual Studio Code Editor. In longer code files, it is convenient to be able to collapse or hide one or more regions so that you can focus on the part of the file that you are currently working on. The following example shows how to define a region:
#region MyClass definition
public class MyClass
{
static void Main()
{
}
}
#endregion
For smaller sections / individual lines of code a quick way to jump between or keep track of them is to use Bookmarks. These can be added by using Ctrl+K, Ctrl+K and you can press Ctrl+K, Ctrl+N to move to the next bookmark, or Ctrl+K, CTRL+P for the previous bookmark. The Navigating Bookmarks article is a good quick reference.

Related

Is there a way to properly dump the navigation history in Visual Studio?

Very frequently, I will be looking for a specific section of code where something happens, and will reach there by starting at a function at a high level of abstraction and go lower by successively opening the code of called methods. Eventually I will find what I'm looking for, and I would like to save the path that I took to get there - which is pretty much what the call stack would be if I had put a breakpoint in that code and stopped here at runtime, except that I'm just inspecting the code.
I'm aware the little arrow next to the "Back" arrow lets me somewhat get that in the UI and I can then take a screenshot of what I'm shown, but that's not a fantastic solution. The names of the functions are trimmed (leading to cases where it could match several functions), the line number is seldom shown (only if there was no code at that line), and I would much rather have the text format to begin with so I can copy the function names into a search tool rather than type them from the screenshot later.
So I was wondering: is there a way to dump the navigation history in Visual Studio ?
Where I could for ex. ask for the last 50 cursor positions, and get the file, file path, line number & possibly the code at that line in text format or some more intelligent thing, should the IDE support that.
Thanks.
PS: I found this very similar question Is there extension for viewing navigation history in Visual studio? that's >5 years old and didn't have a satisfying answer, so I'm trying my luck again, hoping things have changed since if there was no solution back then.

When creating a Visual Studio extension, how can you tell if the mouse if hovering over a comment?

I'm attempting to write an extension for Visual Studio 2019 Community Edition. My goal is that when you hover over a keyword in a comment, it pops up a tooltip. I know how to pop up a tooltip (thanks to this sample). I didn't find an easy way to identify the word I was hovering over, but I brute-force parsed it. So that part's working, as well. The last piece that I need is to know if that word that I'm hovering over is in a comment or not.
// Hovering of THIS_KEYWORD should pop up a tooltip.
var _ = "Hovering over THIS_KEYWORD should not pop up a tooltip.";
I've looked at ITextView and SnapshotSpan and what feels like a million other interfaces in that namespace, but the best I've been able to find is ITextSnapshot.ContentType. That only tells me that I'm working in CSharp. (The documentation on this part of MSDN is sorely lacking.)
I could try to brute-force this one, too... looking for // at the beginning of the line or for a prior /* without a prior */, but then I'd have to extend it for each different programming language. (-- for SQL, ' for VB, what does Fortran use?) The editor itself knows what a comment is; it color-codes them. How can I know?
IClassifier.GetClassificationSpans returns text classifications. You can then check if one of the classifications is a comment.

Navigate to a region quickly

Superfluous qualifier: This is probably a silly question, but...
Using VB.NET and / or C#:
Is there a way to jump to a region quickly, similar to the way you can choose a class and find functions / methods / events from drop-down lists? I have organized thousands of lines of code into neat regions but it seems like a waste if I can't find them quickly.
I now realize Ctrl-M + O (outlining) will basically give me what I was looking for, but the question stands.
Update: Since the community and myself can't seem to find a way to do this, the answer to my question is: No, there is no way to do this. With this knowledge, I won't be so concerned with regions in the future as their usefulness is limited.
Update 2: This question originally applied to VS2010. However it seems to be applicable to later versions as well. At least in 2015, it seems you can quickly jump between regions using keyboard shortcuts.
Relevant Question: VS 2015 shortcut for "GoTo Region" #region / #endregion
Depending on how your code is wrapped in #regions you can use the built-in feature to Collapse to Definition Ctrl + M , O. Then navigate to the region you want. You can undo the collapse by using Ctrl + M , P
You can create bookmarks in Visual Studio 2010. Nice article here - http://www.codeproject.com/Articles/42973/Using-Bookmark-in-Visual-Studio
You can try the extension CodeNav that let you see also the code regions on the left pane.

What is the keyboard shortcut to type fast in Visual Studio?

I am not sure what is the best way to word my question correctly in single line. But basically I have seen quite a few video tutorials now where the coder types really fast using some sort of shortcut to fill in the automatic text(prolly intellisense stuff) It looks very similar to Linux command line tab where you only type half of your text and when you hit tab it either fills in the gap or show you the remaining options.
Hope that makes sense.
Thanks
Pressing Ctrl+Space completes the current variable/class you are typing.
Typing things like ctor and then pressing the Tab key twice tells Visual Studio to insert a constructor for you. (Also works with for for a for loop, cw for a Console.WriteLine();, etc.)
For a full list, please refer to the official reference from MSDN.
I believe its Ctrl-Space, which is pretty common among most IDE's

Hidden Features of Visual Studio (2005-2010)?

Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting new answers or interactions.
Visual Studio is such a massively big product that even after years of working with it I sometimes stumble upon a new/better way to do things or things I didn't even know were possible.
For instance-
Crtl + R, Ctrl + W to show white spaces. Essential for editing Python build scripts.
Under "HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\8.0\Text Editor"
Create a String called Guides with the value "RGB(255,0,0), 80" to have a red line at column 80 in the text editor.
What other hidden features have you stumbled upon?
Make a selection with ALT pressed - selects a square of text instead of whole lines.
Tracepoints!
Put a breakpoint on a line of code. Bring up the Breakpoints Window and right click on the new breakpoint. Select 'When Hit...'. By ticking the 'Print a message' check box Visual Studio will print out a message to the Debug Output every time the line of code is executed, rather than (or as well as) breaking on it. You can also get it to execute a macro as it passes the line.
You can drag code to the ToolBox. Try it!
Click an identifier (class name, variable, etc) then hit F12 for "Go To Definition". I'm always amazed how many people I watch code use the slower right-click -> "Go To Definition" method.
EDIT: Then you can use Ctrl+- to jump back to where you were.
CTRL+SHIFT+V will cycle through your clipboard, Visual Studio keeps a history of copies.
Sara Ford covers lots of lovely tips: http://blogs.msdn.com/saraford/archive/tags/Visual+Studio+2008+Tip+of+the+Day/default.aspx
But some of my favourites are Code Snippets, Ctrl + . to add a using <Namespace> or generate a method stub.
I can't live without that.
Check out a great list in the Visual Studio 2008 C# Keybinding poster: http://www.microsoft.com/downloadS/details.aspx?familyid=E5F902A8-5BB5-4CC6-907E-472809749973&displaylang=en
CTRL-K, CTRL-D
Reformat Document!
This is under the VB keybindings, not sure about C#
How many times do you debug an array in a quickwatch or a watch window and only have visual studio show you the first element? Add ",N" to the end of the definition to make studio show you the next N items as well. IE "this->m_myArray" becomes "this->m_array,5".
Incremental search: While having a source document open hit (CTRL + I) and type the word you are searching for you can hit (CTRL + I) again to see words matching your input.
You can use the following codes in the watch window.
#err - display last error
#err,hr - display last error as an HRESULT
#exception - display current exception
Ctrl-K, Ctrl-C to comment a block of text with // at the start
Ctrl-K, Ctrl-U to uncomment a block of text with // at the start
Can't live without it! :)
Stopping the debugger from stepping into trivial functions.
When you’re stepping through code in the debugger, you can spend a lot of time stepping in and out of functions you’re not particularly interested in, with names such as GetID(), or std::vector<>(), to pick a C++ example. You can use the registry to make the debugger ignore these.
For Visual Studio 2005, you have to go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio \8.0\NativeDE\StepOver and add string values containing regular expressions for each function or set of functions you wish to exclude; e.g.
std::vector.*::.*
TextBox::GetID
You can also override these for individual exceptions. For instance, suppose you did want to step into the vector class’s destructor:
std::vector.*::\~.*=StepInto
You can find details for other versions of Visual Studio at http://blogs.msdn.com/andypennell/archive/2004/02/06/69004.aspx
Ctrl-F10: run to cursor during debugging. Took me ages to find this, and I use it all the time;
Ctrl-E, Ctrl-D: apply standard formatting (which you can define).
TAB key feature.
If you know snippet key name, write and click double Tab. for example:
Write
foreach
and then click tab key twice to
foreach (object var in collection_to_loop)
{
}
2. If you write any event, write here
Button btn = new Button();
btn.Click +=
and then click tab key twice to
private void Form1_Load(object sender, EventArgs e)
{
Button btn = new Button();
btn.Click += new EventHandler(btn_Click);
}
void btn_Click(object sender, EventArgs e)
{
throw new Exception("The method or operation is not implemented.");
}
btn_Click function write automatically
in XAML Editor, Write any event. for example:
MouseLeftButtonDown then click tab
MouseLeftButtonDown="" then click tab again
MouseLeftButtonDown="Button_MouseLeftButtonDown" in the code section Button_MouseLeftButtonDown method created.
Sara Ford has this market cornered.
http://blogs.msdn.com/saraford/default.aspx
More Visual Studio tips and tricks than you can shake a stick at.
Some others:
The Visual Studio 2005 and 2008 3-month trial editions are fully-functional, and can be used indefinitely (forever) by setting the system clock back prior to opening VS. Then, when VS is opened, set the system clock forward again so your datetimes aren't screwed up.
But that's really piracy and I can't recommend it, especially when anybody with a .edu address can get a fully-functional Pro version of VS2008 through Microsoft Dreamspark.
You can use Visual Studio to open 3rd-party executables, and browse embedded resources (dialogs, string tables, images, etc) stored within.
Debugging visualizers are not exactly a "hidden" feature but they are somewhat neglected, and super-useful, since in addition to using the provided visualizers you can roll your own for specific data sets.
Debugger's "Set Instruction Pointer" or "Set Next Statement" command.
Conditional breakpoints (as KiwiBastard noted).
You can use Quickwatch etc. to evaluate not only the value of a variable, but runtime expressions around that variable.
T4 (Text Template Transformation Toolkit). T4 is a code generator built right into Visual Studio
Custom IntelliSense dropdown height, for example displaying 50 items instead of the default which is IMO ridiculously small (8).
(To do that, just resize the dropdown next time you see it, and Visual Studio will remember the size you selected next time it opens a dropdown.)
Discovered today:
Ctrl + .
Brings up the context menu for refactoring (then one that's accessible via the underlined last letter of a class/method/property you've just renamed - mouse over for menu or "Ctrl" + ".")
A lot of people don't know or use the debugger to it's fullest - I.E. just use it to stop code, but right click on the red circle and there are a lot more options such as break on condition, run code on break.
Also you can change variable values at runtime using the debugger which is a great feature - saves rerunning code to fix a silly logic error etc.
Line transpose, Shift-Alt-T
Swaps two line (current and next) and moves cursor to the next line. I'm lovin it. I've even written a macro which changed again position by one line, executed line transpose and changed line position again so it all looking like I swapping current line with previous (Reverse line transpose).
Word transpose, Shift-Ctrl-T
When developing C++, Ctrl-F7 compiles the current file only.
Document Outline in the FormsDesigner (CTRL + ALT + T)
Fast control renaming, ordering and more!
To auto-sync current file with Solution Explorer. So don't have to look where the file lives in the project structure
Tools -> Options -> Projects and Solutions -> "Track Active Item in Solution Explorer"
Edit: If this gets too annoying for you then you can use Dan Vanderboom's macro to invoke this feature on demand through a keystroke.
(Note: Taken from the comment below by Jerry).
I'm not sure if it's "hidden", but not many people know about it -- pseudoregisters. Comes very handy when debugging, I've #ERR, hr in my watch window all the time.
Ctrl-Minus, Ctrl-Plus, navigates back and forward where you've been recently (only open files, though).
I don't use it often, but I do love:
ctrl-alt + mouse select
To select in a rectangular block, to 'block' boundaries.
As noted in comments,
alt + mouse select
Does just a plain rectangular block.
Here's something I learned (for C#):
You can move the cursor to the opening curly brace from the closing curly brace by pressing Control + ].
I learned this on an SO topic that's a dupe of this one:
“Hidden Secrets” of the Visual Studio .NET debugger?
CTRL + Shift + U -> Uppercase highlighted section.
CTRL + U -> Lowercase the highlighted section
Great for getting my SQL Statements looking just right when putting them into string queries.
Also useful for code you've found online where EVERYTHING IS IN CAPS.
Middle Mouse Button Click on the editor tab closes the tab.
To display any chunk of data as an n-byte "array", use the following syntax in Visual Studio's QuickWatch window:
variable, n
For example, to view a variable named foo as a 256-byte array, enter the following expression in the QuickWatch window:
foo, 256
This is particularly useful when viewing strings that aren't null-terminated or data that's only accessible via a pointer. You can use Visual Studio's Memory window to achieve a similar result, but using the QuickWatch window is often more convenient for a quick check.

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