• VS Code 的快捷按键(Key Bindings for Visual Studio Code)
    • 基本编辑(Basic Editing)
    • 更加丰富的语言编辑(Rich Languages Editing)
    • 导航(Navigation)
    • 编辑器/窗口管理(Editor/Window Management)
    • 文件管理(File Management)
    • Display
    • 界面(Preferences)
    • 调试(Debug)
    • 任务(Tasks)
    • 扩展(Extensions)
    • 自定义快捷键(Customizing Shortcuts)
    • 快捷键规则(Keyboard Rules)
    • 接受的键(Accepted keys)
    • 键盘布局(Keyboard layouts)
    • 下一步(Next Steps)
    • Common Questions

    VS Code 的快捷按键(Key Bindings for Visual Studio Code)

    Visual Studio Code lets you perform most tasks directly from the keyboard. This page lists out the default bindings and describes how you can update them.

    Visual Studio Code允许您直接从键盘执行大多数任务。此页面列出了默认绑定,并介绍了如何更新它们。

    Note: If you visit this page on a Mac, you will see the key bindings for the Mac. If you visit using Windows or Linux, you will see the keys for that OS. If you need the key binding for another OS, hover your mouse over the key you are interested in.

    注意: 如果您在Mac上访问此页面,您将看到Mac的键绑定。如果使用Windows或Linux访问,您将看到该操作系统的密钥。如果您需要另一个操作系统的键绑定,将鼠标悬停在您感兴趣的键上。

    Note: The following keys are rendered assuming a standard US keyboard layout. If you use a different keyboard layout, please read below.

    注意: 以下键是使用标准美式键盘布局呈现的。如果您使用不同的键盘布局,请阅读这一部分。

    基本编辑(Basic Editing)

    Key Command Command id
    kb(editor.action.clipboardCutAction) Cut line (empty selection) editor.action.clipboardCutAction
    kb(editor.action.clipboardCopyAction) Copy line (empty selection) editor.action.clipboardCopyAction
    kb(editor.action.deleteLines) Delete Line editor.action.deleteLines
    kb(editor.action.insertLineAfter) Insert Line Below editor.action.insertLineAfter
    kb(editor.action.insertLineBefore) Insert Line Above editor.action.insertLineBefore
    kb(editor.action.moveLinesDownAction) Move Line Down editor.action.moveLinesDownAction
    kb(editor.action.moveLinesUpAction) Move Line Up editor.action.moveLinesUpAction
    kb(editor.action.copyLinesDownAction) Copy Line Down editor.action.copyLinesDownAction
    kb(editor.action.copyLinesUpAction) Copy Line Up editor.action.copyLinesUpAction
    kb(editor.action.addSelectionToNextFindMatch) Add Selection To Next Find Match editor.action.addSelectionToNextFindMatch
    kb(editor.action.moveSelectionToNextFindMatch) Move Last Selection To Next Find Match editor.action.moveSelectionToNextFindMatch
    kb(cursorUndo) Undo last cursor operation cursorUndo
    kb(editor.action.selectHighlights) Select all occurrences of current selection editor.action.selectHighlights
    kb(editor.action.changeAll) Select all occurrences of current word editor.action.changeAll
    kb(expandLineSelection) Select current line expandLineSelection
    kb(editor.action.insertCursorBelow) Insert Cursor Below editor.action.insertCursorBelow
    kb(editor.action.insertCursorAbove) Insert Cursor Above editor.action.insertCursorAbove
    kb(editor.action.jumpToBracket) Jump to matching bracket editor.action.jumpToBracket
    kb(editor.action.indentLines) Indent Line editor.action.indentLines
    kb(editor.action.outdentLines) Outdent Line editor.action.outdentLines
    kb(cursorHome) Go to Beginning of Line cursorHome
    kb(cursorEnd) Go to End of Line cursorEnd
    kb(cursorBottom) Go to End of File cursorBottom
    kb(cursorTop) Go to Beginning of File cursorTop
    kb(scrollLineDown) Scroll Line Down scrollLineDown
    kb(scrollLineUp) Scroll Line Up scrollLineUp
    kb(scrollPageDown) Scroll Page Down scrollPageDown
    kb(scrollPageUp) Scroll Page Up scrollPageUp
    kb(editor.fold) Fold (collapse) region editor.fold
    kb(editor.unfold) Unfold (uncollapse) region editor.unfold
    kb(editor.foldAll) Fold (collapse) all regions editor.foldAll
    kb(editor.unfoldAll) Unfold (uncollapse) all regions editor.unfoldAll
    kb(editor.action.addCommentLine) Add Line Comment editor.action.addCommentLine
    kb(editor.action.removeCommentLine) Remove Line Comment editor.action.removeCommentLine
    kb(editor.action.commentLine) Toggle Line Comment editor.action.commentLine
    kb(editor.action.blockComment) Toggle Block Comment editor.action.blockComment
    kb(actions.find) Find actions.find
    kb(editor.action.startFindReplaceAction) Replace editor.action.startFindReplaceAction
    kb(editor.action.nextMatchFindAction) Find Next editor.action.nextMatchFindAction
    kb(editor.action.previousMatchFindAction) Find Previous editor.action.previousMatchFindAction
    kb(toggleFindCaseSensitive) Toggle Find Case Sensitive toggleFindCaseSensitive
    kb(toggleFindRegex) Toggle Find Regex toggleFindRegex
    kb(toggleFindWholeWord) Toggle Find Whole Word toggleFindWholeWord
    kb(editor.action.toggleTabFocusMode) Toggle Use of Tab Key for Setting Focus editor.action.toggleTabFocusMode
    kb(toggleRenderWhitespace) Toggle Render Whitespace toggleRenderWhitespace

    更加丰富的语言编辑(Rich Languages Editing)

    Key Command Command id
    kb(editor.action.triggerSuggest) Trigger Suggest editor.action.triggerSuggest
    kb(editor.action.triggerParameterHints) Trigger Parameter Hints editor.action.triggerParameterHints
    kb(editor.action.format) Format Code editor.action.format
    kb(editor.action.goToDeclaration) Go to Definition editor.action.goToDeclaration
    kb(editor.action.previewDeclaration) Peek Definition editor.action.previewDeclaration
    kb(editor.action.openDeclarationToTheSide) Open Definition to the Side editor.action.openDeclarationToTheSide
    kb(editor.action.quickFix) Quick Fix editor.action.quickFix
    kb(editor.action.referenceSearch.trigger) Show References editor.action.referenceSearch.trigger
    kb(editor.action.rename) Rename Symbol editor.action.rename
    kb(editor.action.inPlaceReplace.down) Replace with Next Value editor.action.inPlaceReplace.down
    kb(editor.action.inPlaceReplace.up) Replace with Previous Value editor.action.inPlaceReplace.up
    kb(editor.action.smartSelect.grow) Expand AST Select editor.action.smartSelect.grow
    kb(editor.action.smartSelect.shrink) Shrink AST Select editor.action.smartSelect.shrink
    kb(editor.action.trimTrailingWhitespace) Trim Trailing Whitespace editor.action.trimTrailingWhitespace
    kb(workbench.action.editor.changeLanguageMode) Change Language Mode workbench.action.editor.changeLanguageMode

    导航(Navigation)

    Key Command Command id
    kb(workbench.action.showAllSymbols) Show All Symbols workbench.action.showAllSymbols
    kb(workbench.action.gotoLine) Go to Line… workbench.action.gotoLine
    kb(workbench.action.quickOpen) Go to File…, Quick Open workbench.action.quickOpen
    kb(workbench.action.gotoSymbol) Go to Symbol… workbench.action.gotoSymbol
    kb(workbench.action.showErrorsWarnings) Show Errors and Warnings workbench.action.showErrorsWarnings
    kb(editor.action.marker.next) Go to Next Error or Warning editor.action.marker.next
    kb(editor.action.marker.prev) Go to Previous Error or Warning editor.action.marker.prev
    kb(workbench.action.showCommands) Show All Commands workbench.action.showCommands
    kb(workbench.action.openPreviousEditor) Navigate History workbench.action.openPreviousEditor
    kb(workbench.action.navigateBack) Go Back workbench.action.navigateBack
    kb(workbench.action.navigateForward) Go Forward workbench.action.navigateForward

    编辑器/窗口管理(Editor/Window Management)

    Key Command Command id
    kb(workbench.action.newWindow) New Window workbench.action.newWindow
    kb(workbench.action.closeWindow) Close Window workbench.action.closeWindow
    kb(workbench.action.closeActiveEditor) Close Editor workbench.action.closeActiveEditor
    kb(workbench.action.closeFolder) Close Folder workbench.action.closeFolder
    kb(workbench.action.cycleEditor) Cycle Between Opened Editors workbench.action.cycleEditor
    kb(workbench.action.splitEditor) Split Editor workbench.action.splitEditor
    kb(workbench.action.focusFirstEditor) Focus into Left Hand Editor workbench.action.focusFirstEditor
    kb(workbench.action.focusSecondEditor) Focus into Side Editor workbench.action.focusSecondEditor
    kb(workbench.action.focusThirdEditor) Focus into Right Hand Editor workbench.action.focusThirdEditor
    kb(workbench.action.focusLeftEditor) Focus into Next Editor on the Left workbench.action.focusLeftEditor
    kb(workbench.action.focusRightEditor) Focus into Next Editor on the Right workbench.action.focusRightEditor
    kb(workbench.action.moveActiveEditorLeft) Move Active Editor Left workbench.action.moveActiveEditorLeft
    kb(workbench.action.moveActiveEditorRight) Move Active Editor Right workbench.action.moveActiveEditorRight

    文件管理(File Management)

    Key Command Command id
    kb(workbench.action.files.newUntitledFile) New File workbench.action.files.newUntitledFile
    kb(workbench.action.files.openFile) Open File… workbench.action.files.openFile
    kb(workbench.action.files.save) Save workbench.action.files.save
    kb(workbench.action.files.saveAll) Save All workbench.action.files.saveAll
    kb(workbench.action.files.saveAs) Save As… workbench.action.files.saveAs
    kb(workbench.files.action.closeFile) Close File workbench.files.action.closeFile
    kb(workbench.files.action.closeAllFiles) Close All Files workbench.files.action.closeAllFiles
    kb(workbench.files.action.closeOtherFiles) Close Other Files workbench.files.action.closeOtherFiles
    kb(workbench.files.action.addToWorkingFiles) Add to Working Files workbench.files.action.addToWorkingFiles
    kb(workbench.files.action.openNextWorkingFile) Open Next Working File workbench.files.action.openNextWorkingFile
    kb(workbench.files.action.openPreviousWorkingFile) Open Previous Working File workbench.files.action.openPreviousWorkingFile
    kb(workbench.action.files.copyPathOfActiveFile) Copy Path of Active File workbench.action.files.copyPathOfActiveFile
    kb(workbench.action.files.revealActiveFileInWindows) Reveal Active File in Windows workbench.action.files.revealActiveFileInWindows
    kb(workbench.action.files.showOpenedFileInNewWindow) Show Opened File in New Window workbench.action.files.showOpenedFileInNewWindow
    kb(workbench.files.action.compareFileWith) Compare Opened File With workbench.files.action.compareFileWith

    Display

    Key Command Command id
    kb(workbench.action.toggleFullScreen) Toggle Full Screen workbench.action.toggleFullScreen
    kb(workbench.action.zoomIn) Zoom in workbench.action.zoomIn
    kb(workbench.action.zoomOut) Zoom out workbench.action.zoomOut
    kb(workbench.action.toggleSidebarVisibility) Toggle Sidebar Visibility workbench.action.toggleSidebarVisibility
    kb(workbench.view.debug) Show Debug workbench.view.debug
    kb(workbench.view.explorer) Show Explorer workbench.view.explorer
    kb(workbench.view.git) Show Git workbench.view.git
    kb(workbench.view.search) Show Search workbench.view.search
    kb(workbench.action.search.toggleQueryDetails) Toggle Search Details workbench.action.search.toggleQueryDetails
    kb(workbench.action.terminal.openNativeConsole) Open New Command Prompt workbench.action.terminal.openNativeConsole
    kb(workbench.action.output.toggleOutput) Show Output workbench.action.output.toggleOutput
    kb(workbench.action.markdown.togglePreview) Toggle Markdown Preview workbench.action.markdown.togglePreview
    kb(workbench.action.markdown.openPreviewSideBySide) Open Preview to the Side workbench.action.markdown.openPreviewSideBySide

    界面(Preferences)

    Key Command Command id
    kb(workbench.action.openGlobalSettings) Open User Settings workbench.action.openGlobalSettings
    kb(workbench.action.openWorkspaceSettings) Open Workspace Settings workbench.action.openWorkspaceSettings
    kb(workbench.action.openGlobalKeybindings) Open Keyboard Shortcuts workbench.action.openGlobalKeybindings
    kb(workbench.action.openSnippets) Open User Snippets workbench.action.openSnippets
    kb(workbench.action.selectTheme) Select Color Theme workbench.action.selectTheme
    kb(workbench.action.configureLocale) Configure Display Language workbench.action.configureLocale

    调试(Debug)

    Key Command Command id
    kb(editor.debug.action.toggleBreakpoint) Toggle Breakpoint editor.debug.action.toggleBreakpoint
    kb(workbench.action.debug.continue) Continue workbench.action.debug.continue
    kb(workbench.action.debug.start) Pause workbench.action.debug.start
    kb(workbench.action.debug.stepInto) Step Into workbench.action.debug.stepInto
    kb(workbench.action.debug.stepOut) Step Out workbench.action.debug.stepOut
    kb(workbench.action.debug.stepOver) Step Over workbench.action.debug.stepOver
    kb(workbench.action.debug.stop) Stop workbench.action.debug.stop
    kb(editor.action.showHover) Show Hover editor.action.showHover

    任务(Tasks)

    Key Command Command id
    kb(workbench.action.tasks.build) Run Build Task workbench.action.tasks.build
    kb(workbench.action.tasks.test) Run Test Task workbench.action.tasks.test

    扩展(Extensions)

    Key Command Command id
    kb(workbench.extensions.action.installExtension) Install Extension workbench.extensions.action.installExtension
    kb(workbench.extensions.action.listExtensions) Show Installed Extensions workbench.extensions.action.listExtensions
    kb(workbench.extensions.action.listOutdatedExtensions) Show Outdated Extensions workbench.extensions.action.listOutdatedExtensions
    kb(workbench.extensions.action.listSuggestedExtensions) Show Extension Recommendations workbench.extensions.action.listSuggestedExtensions

    自定义快捷键(Customizing Shortcuts)

    All keyboard shortcuts in VS Code can be customized via the User/keybindings.json file.

    VS Code 中的所有键盘快捷键都可以通过 User/keybindings.json 文件进行自定义。

    • To configure keyboard shortcuts the way you want, go to the menu under File > Preferences > Keyboard Shortcuts.
    • This will open the Default Keyboard Shortcuts on the left and your User/keybindings.json file where you can overwrite the default bindings on the right.

    • 要根据需要配置键盘快捷键,请转到 文件>首选项>键盘快捷键 下的菜单。

    • 这将打开左侧的默认键盘快捷键和您的 User/keybindings.json 文件,您可以在右侧文件中,覆盖左侧的默认绑定。

    快捷键规则(Keyboard Rules)

    The keyboard shortcuts dispatching is done by analyzing a list of rules that are expressed in JSON. Here are some examples:

    键盘快捷键分配通过以 JSON 表示的规则列表来完成。下面是一些例子:

    1. // Keybindings that are active when the focus is in the editor
    2. { "key": "home", "when": "editorTextFocus", "command": "cursorHome" },
    3. { "key": "shift+home", "when": "editorTextFocus", "command": "cursorHomeSelect" },
    4. // Keybindings that are complementary
    5. { "key": "f5", "when": "inDebugMode", "command": "workbench.action.debug.continue" },
    6. { "key": "f5", "when": "!inDebugMode", "command": "workbench.action.debug.start" }
    7. // Global keybindings
    8. { "key": "ctrl+f", "command": "actions.find" },
    9. { "key": "alt+left", "command": "workbench.action.navigateBack" },
    10. { "key": "alt+right", "command": "workbench.action.navigateForward" },
    11. // Global keybindings using chords
    12. { "key": "ctrl+k enter", "command": "workbench.files.action.addToWorkingFiles" },
    13. { "key": "ctrl+k ctrl+w", "command": "workbench.files.action.closeAllFiles" },

    Each rule consists of:

    每个规则包括:

    • a required key that describes the pressed keys.
    • an optional when containing a boolean expression that will be evaluated depending on the current context.
    • an optional command containing the identifier of the command to execute.

    • 描述按下的键的 必需键 key

    • when 包含将根据当前上下文进行求值的布尔表达式,非必须。
    • 一个包含要执行的 命令的标识符可选命令

    When a key is pressed:

    当按下一个键:

    • the rules are evaluated from bottom to top.
    • the first rule that matches, both the key and in terms of when, is accepted.
    • no more rules are processed.
    • if a rule is found and has a command set, the command is executed.

    • 快捷键规则从底层到顶层寻找,顶层(用户设置)会覆盖默认。

    • 匹配的第一个规则,无论是 key 还是 when ,都被接受。
    • 不再处理任何规则。
    • 如果发现规则并且具有 命令集,则按照命令集合依次执行命令。

    The additional User/keybindings.json rules are appended at runtime to the bottom of the default rules, thus allowing them to overwrite the default rules. The User/keybindings.json file is watched by VS Code so editing it while VS Code is running will update the rules at runtime.

    附加的 User/keybindings.json 规则在运行时附加到默认规则的底部,从而允许它们覆盖默认规则。 VS Code 监视 User/keybindings.json 文件,因此在VS Code运行时进行编辑将立即更新规则。

    接受的键(Accepted keys)

    The key is made up of modifiers and the key itself.

    key 由修改符和 key 本身组成。

    The following modifiers are accepted:

    接受以下修饰符:

    OS Modifiers
    OS X kbstyle(ctrl+), kbstyle(shift+), kbstyle(alt+), kbstyle(cmd+)
    Windows kbstyle(ctrl+), kbstyle(shift+), kbstyle(alt+), kbstyle(win+)
    Linux kbstyle(ctrl+), kbstyle(shift+), kbstyle(alt+), kbstyle(meta+)

    The following keys are accepted:

    接受以下键:

    • kbstyle(f1-f19), kbstyle(a-z), kbstyle(0-9)
    • kbstyle(`), kbstyle(-), kbstyle(=), kbstyle([), kbstyle(]), kbstyle(\), kbstyle(;), kbstyle('), kbstyle(,), kbstyle(.), kbstyle(/)
    • kbstyle(left), kbstyle(up), kbstyle(right), kbstyle(down), kbstyle(pageup), kbstyle(pagedown), kbstyle(end), kbstyle(home)
    • kbstyle(tab), kbstyle(enter), kbstyle(escape), kbstyle(space), kbstyle(backspace), kbstyle(delete)
    • kbstyle(pausebreak), kbstyle(capslock), kbstyle(insert)
    • kbstyle(numpad0-numpad9), kbstyle(numpad_multiply), kbstyle(numpad_add), kbstyle(numpad_separator)
    • kbstyle(numpad_subtract), kbstyle(numpad_decimal), kbstyle(numpad_divide)

    Chords are described by separating the two keypresses with a space. E.g.: kbstyle(ctrl+k ctrl+c).

    通过用空格分隔两个按键来描述和弦。例如:kbstyle(ctrl + k ctrl + c)。

    键盘布局(Keyboard layouts)

    Note: This section relates only to key bindings, not to typing in the editor.

    注意: 本节仅涉及键绑定,而不是在编辑器中键入。

    The keys above are string representations for virtual keys and do not necessarily relate to the produced character when they are pressed. More precisely:

    上面的键是虚拟键的字符串形式表示,并且当它们被按下时不与所产生的字符相关。也就是说:

    • Reference: https://msdn.microsoft.com/en-us/library/windows/desktop/dd375731(v=vs.85)
    • kbstyle(tab) for VK_TAB (0x09)
    • kbstyle(;) for VK_OEM_1 (0xBA)
    • kbstyle(=) for VK_OEM_PLUS (0xBB)
    • kbstyle(,) for VK_OEM_COMMA (0xBC)
    • kbstyle(-) for VK_OEM_MINUS (0xBD)
    • kbstyle(.) for VK_OEM_PERIOD (0xBE)
    • kbstyle(/) for VK_OEM_2 (0xBF)
    • kbstyle(`) for VK_OEM_3 (0xC0)
    • kbstyle([) for VK_OEM_4 (0xDB)
    • kbstyle(\) for VK_OEM_5 (0xDC)
    • kbstyle(]) for VK_OEM_6 (0xDD)
    • kbstyle(') for VK_OEM_7 (0xDE)
    • etc.

    Different keyboard layouts usually reposition the above virtual keys or change the characters produced when they are pressed. When using a different keyboard layout than the standard US, Visual Studio Code does the following:

    不同的键盘布局通常重新定位上述虚拟键或改变按下时产生的字符。当使用与标准美国不同的键盘布局时,Visual Studio Code执行以下操作:

    All the key bindings are rendered in the UI using the current system’s keyboard layout. For example, Split Editor when using a French (France) keyboard layout is now rendered as kbstyle(Ctrl+*):

    所有的键绑定都使用当前系统的键盘布局在UI中呈现。例如,使用法语(法国)键盘布局时的 Split Editor 现在呈现为 kbstyle(Ctrl + *)

    render key binding

    When editing keybindings.json, VS Code highlights misleading key bindings - those that are represented in the file with the character produced under the standard US keyboard layout, but which need pressing keys with different labels under the current system’s keyboard layout. For example, here is how the Default keybindings rules look like when using a French (France) keyboard layout:

    当编辑 keybindings.json 时,VS Code 突出显示误导键绑定 - 在文件中用在美国标准键盘布局下产生的字符表示的那些,但是需要在当前系统的键盘布局下按下具有不同标签的键。例如,以下是使用法语(法国)键盘布局时 默认键盘 绑定规则的外观:

    keybindings.json guidance

    There is also a widget that helps input the key binding rule when editing keybindings.json. To launch the Define Keybinding widget, press kb(editor.action.defineKeybinding). The widget listens for key presses and renders the serialized JSON representation in the text box and below it, the keys that VS Code has detected under your current keyboard layout. Once you’ve typed the key combination you want, you can press kbstyle(Enter) and a rule snippet will be inserted.

    还有一个小部件,用于在编辑 keybindings.json 时帮助输入键绑定规则。要启动定义键绑定小部件,请按 kb(editor.action.defineKeybinding)。窗口小部件监听按键并在文本框及其下面呈现序列化的 JSON 表示,VS Code 在您当前的键盘布局下检测到的键。键入所需的组合键后,您可以按 kbstyle(Enter),然后插入规则片段。

    key binding widget

    Note: Visual Studio Code detects your current keyboard layout on start-up and then caches this information. For a good experience, we recommend restarting VS Code if you change your keyboard layout.

    注意: Visual Studio Code 在启动时检测您当前的键盘布局,然后缓存此信息。为了获得良好的体验,我们建议您在更改键盘布局时重新启动VS Code。

    下一步(Next Steps)

    Now that you know about our Key binding support, what’s next…

    现在你知道了我们支持快捷键自定义,接下来是什么…

    • Customization - Configure Code the way you want - Themes, Settings and more
    • Language Support - Our Good, Better, Best language grid to see what you can expect
    • Debugging - This is where VS Code really shines
    • Node.js - End to end Node.js scenario with a sample app

    Common Questions

    Q: How to find out what command is bound to a specific key?

    A: In the Default Keyboard Shortcuts, open Quick Outline by pressing kb(workbench.action.gotoSymbol)

    Key bindings quick outline

    Q: How to add a key binding to an action? E.g. Add Ctrl+D to Delete Lines

    A: Find a rule that triggers the action in the Default Keyboard Shortcuts and write a modified version of it in your User/keybindings.json file:

    1. // Original, in Default Keyboard Shortcuts
    2. { "key": "ctrl+shift+k", "command": "editor.action.deleteLines",
    3. "when": "editorTextFocus" },
    4. // Modified, in User/keybindings.json, Ctrl+D now will also trigger this action
    5. { "key": "ctrl+d", "command": "editor.action.deleteLines",
    6. "when": "editorTextFocus" },

    Q: How to remove a key binding from an action? E.g. Remove Ctrl+Shift+K from Delete Lines

    A: Find a rule that triggers the action in the Default Keyboard Shortcuts and write a modified version of it in your User/keybindings.json file:

    1. // Original, in Default Keyboard Shortcuts
    2. { "key": "ctrl+shift+k", "command": "editor.action.deleteLines",
    3. "when": "editorTextFocus" },
    4. // Modified, in User/keybindings.json, Ctrl+Shift+K won't do anything anymore since command is empty
    5. { "key": "ctrl+shift+k", "when": "editorTextFocus" },

    Q: How can I add a key binding for only certain file types?

    A: Use the editorLangId context key in your when clause:

    1. { "key": "shift+alt+a", "command": "editor.action.blockComment",
    2. "when": "editorTextFocus && editorLangId == 'csharp'" },

    Q: I have modified my key bindings in User/keybindings.json, why don’t they work?

    A: The most common problem is a syntax error in the file. Otherwise, try removing the when clause or picking a different key. Unfortunately, at this point, it is a trial and error process.