Debug window

When you start a debugger session, the Debug tool window opens. Use this window to control the debugger session, view and analyze the program data (frames, threads, variables, and so on), and perform debugger actions.

By default, the Debug tool window opens when your program hits a breakpoint and is not hidden when the session is terminated. To change this behavior, go to the Build, Execution, Deployment | Debugger settings page Ctrl+Alt+S and clear the Show debug window on breakpoint checkbox.

Sessions

If you run several debug sessions simultaneously, they are separated into tabs in the top part of the Debug tool window.

If you enable the Services tool window for specific run/debug configurations, the entire view of the Debug tool window will be displayed inside the Services tool window when you debug any of these configurations.

All the information in the editor, like inline variable values and execution point, is shown for the selected session tab. This is important if you are running several debug sessions in parallel that use the same code.

When you close a tab, the corresponding debug session terminates.

Tabs

The Debug tool window shows the following tabs for each session:

Console: displays the program output.
For local sessions, the tab works the same as when you just run the program without the debugger attached.
When you attach to a process, the program output is not redirected and only the debugger output is shown in the debugger console.
Debug Output: shows messages sent by your application to the debug output, for example with the Debug.WriteLine() method.
Parallel Stacks: shows threads and their stack frames on the diagram.
Debugger: lets you explore states of objects in the current execution point of the suspended program.
The tab is divided into the following panes:
- Threads and frames on the left let you choose the thread and one of its frames that you want to examine.
- Variables: displays local variables in the scope of the selected frame. By default, watches are integrated with variables, but you can show watches in a separate pane by clicking Show watches in the variables tab .
Memory: provides the information on the objects that are currently on the heap for monitoring their number and lifetime.

Switch tabs

To cycle through the tool window tabs, press Alt+Right and Alt+Left.

Show/hide tabs

Click and select which tabs you want to see.

Restore default layout

If you changed the layout of the Debug tool window and don't like the new arrangement, you can revert it to the default state.

Click in the top-right corner of the Debug tool window, then click Restore Default Layout.

Debug toolbar

Regardless of the selected tab, you can always use the following toolbar controls in the left part of the window:

Item	Tooltip and Shortcut	Description
	Rerun `Ctrl+F5`	Click this button to stop the current application and run it again.
	Resume Program `F9`	When an application is paused, click this button to resume program execution.
	Pause Program `Ctrl+Pause`	Click this button to pause program execution.
	Stop `Ctrl+F2`	Click this button to terminate the current process .
	View Breakpoints `Ctrl+Shift+F8`	Click this button to open the Breakpoints dialog where you can configure breakpoints behavior.
	Mute Breakpoints	Use this button to toggle breakpoints status. You can temporarily mute all breakpoints in the project to execute the program without stopping at breakpoints.
	Debugger Settings	Opens the menu with the following options: Open Files in Preview Tab: select this option to open files in a preview tab when the corresponding frame is selected. Show Variable Values in Editor: select this option to enable the Inline Debugging feature that allows viewing the values of variables right next to their usage in the editor. Sort Variables Alphabetically: select this option to sort the values in the Variables pane in the alphabetical order. Unmute Breakpoints on Session Finish: select this option to re-enable all disabled breakpoints after the debugging session has been finished.
	Pin Tab	Click this button to pin or unpin the current tab. You may need to pin a tab to prevent it from closing automatically when the maximum number of tabs is reached in this window.

Item	Tooltip and Shortcut	Description
	Rerun `Ctrl+F5`	Click this button to stop the current application and run it again.
	Resume Program `F9`	When an application is paused, click this button to resume program execution.
	Pause Program `Ctrl+Pause`	Click this button to pause program execution.
	Stop `Ctrl+F2`	Click this button to terminate the current process .
	View Breakpoints `Ctrl+Shift+F8`	Click this button to open the Breakpoints dialog where you can configure breakpoints behavior.
	Mute Breakpoints	Use this button to toggle breakpoints status. You can temporarily mute all the breakpoints in a project to execute the program without stopping at breakpoints.
	Settings	Click this button to open the menu with the following options: Show Values Inline: select this option to enable the Inline Debugging feature that allows viewing the values of variables right next to their usage in the editor. Sort Values Alphabetically: select this option to sort the values in the Variables pane in the alphabetical order. Unmute Breakpoints on Session Finish: select this option to re-enable all disabled breakpoints after the debugging session has been finished.
	Pin Tab	Click this button to pin or unpin the current tab. You may need to pin a tab to prevent it from closing automatically when the maximum number of tabs is reached in this window.

Stepping toolbar

Item	Tooltip and Shortcut	Description
	Show Execution Point `Alt+F10`	Click this button to highlight the current execution point in the editor and show the corresponding stack frame in the Frames pane.
	Skip to Cursor `Ctrl+Alt+Shift+F9`	Instead of running the program up to the target statement, you may want to skip a part of code without actually executing it (for example, to avoid a known bug or not to repeat some routine). You can do this with the Skip to Cursor command `Ctrl+Alt+Shift+F9`that is also available in the Run menu and in the Debug window. You can also skip a part of the program by dragging the execution pointer with your mouse and dropping it to the target line: You can also hover over the target statement and then pick the corresponding action: If you are familiar with Visual Studio or Visual Studio Code, the same action is called Set Next Statement in Visual Studio and Jump to Cursor in Visual Studio Code. Remember the following when you jump to another statement: Statements between the old and the new execution points are not executed. You can jump back, that is to a statement that was already executed. In this case the already executed statements are not undone. It is impossible to set the next statement in another function.
	Step Over `F8`	Click this button to execute the program until the next line in the current method or file, skipping the methods referenced at the current execution point (if any). If the current line is the last one in the method, execution steps to the line executed right after this method.
	Force Step Over `Alt+Shift+F8`	Click this button to have the debugger step over the method even if this method has breakpoints inside.
	Step Into `F7`	Click this button to have the debugger step into the method called at the current execution point. The debugger will set the execution pointer at the first statement of the first function called from the current line. If no function is called, then the debugger will step to the next statement. You can also inspect the call hierarchy without debugging your program. By default, JetBrains Rider enables external-source debugging, which means that when you step into the library code it will be automatically decompiled and the debugger will move the execution point there. If you want the debugger to ignore the library code, you can disable external-source debugging —clear Enable external source debug on the Build, Execution, Deployment \| Debugger page of JetBrains Rider settings `Ctrl+Alt+S`.
	Smart Step Into `Shift+F7`	If the current line contains several nested calls, JetBrains Rider lets you choose a call to step into. Consider the following code line: Console.WriteLine(Foo(Bar("input") + Baz("input"))); The line contains several calls and if you use Step Into, the debugger will first step into the implementation of `Bar()`, then into the implementation of `Baz()` and so on. Methods decorated with the [DebuggerStepThrough] attribute are not suggested as stepping targets. If you want to choose which of the calls should be stepped into, for example, `Bar()`, you can use Smart Step Into `Shift+F7`: When you choose the function to step into, the debugger will set the execution pointer at the first statement of the selected function. The selector also shows you which of the calls were already executed and allows you to execute these calls again. You can enable the 'smart step into' behavior when you invoke Step Into `F7` in a line that contains multiple method calls. To do so, select Always do smart step into on the Build, Execution, Deployment \| Debugger \| Stepping settings page `Ctrl+Alt+S`.
	Step Out `Shift+F8`	Click this button to have the debugger step out of the current method, to the line executed right after it.
	Run to Cursor `Alt+F9`	Click this button to resume program execution and pause until the execution point reaches the line at the current caret location in the editor. No breakpoint is required. Actually, there is a temporary breakpoint set for the current line at the caret, which is removed once program execution is paused. Thus, if the caret is positioned at the line which has already been executed, the program will be just resumed for further execution, because there is no way to roll back to previous breakpoints. This action is especially useful when you have stepped deep into the methods sequence and need to step out of several methods at once. If there are breakpoints set for the lines that should be executed before bringing you to the specified line, the debugger will pause at the first encountered breakpoint. You can also hover over the target statement and then pick the corresponding action:
	Run to Cursor Non-Stop `Ctrl+Alt+F9`	If there are breakpoints between the current execution point and the target statement, you can force the debugger to skip these breakpoints with the Run to Cursor Non-Stop command `Ctrl+Alt+F9`.
	Evaluate Expression `Alt+F8`	Click this button to evaluate expressions.

Item	Tooltip and Shortcut	Description
	Show Execution Point `Alt+F10`	Click this button to highlight the current execution point in the editor and show the corresponding stack frame in the Frames pane.
	Skip to Cursor `Ctrl+Alt+Shift+F9`	Instead of running the program up to the target statement, you may want to skip a part of code without actually executing it (for example, to avoid a known bug or not to repeat some routine). You can do this with the Skip to Cursor command `Ctrl+Alt+Shift+F9`that is also available in the Run menu and in the Debug window. You can also skip a part of the program by dragging the execution pointer with your mouse and dropping it to the target line: You can also hover over the target statement and then pick the corresponding action: If you are familiar with Visual Studio or Visual Studio Code, the same action is called Set Next Statement in Visual Studio and Jump to Cursor in Visual Studio Code. Remember the following when you jump to another statement: Statements between the old and the new execution points are not executed. You can jump back, that is to a statement that was already executed. In this case the already executed statements are not undone. It is impossible to set the next statement in another function.
	Step Over `F8`	Click this button to execute the program until the next line in the current method or file, skipping the methods referenced at the current execution point (if any). If the current line is the last one in the method, execution steps to the line executed right after this method.
	Force Step Over `Alt+Shift+F8`	Click this button to have the debugger step over the method even if this method has breakpoints inside.
	Step Into `F7`	Click this button to have the debugger step into the method called at the current execution point. The debugger will set the execution pointer at the first statement of the first function called from the current line. If no function is called, then the debugger will step to the next statement. You can also inspect the call hierarchy without debugging your program. By default, JetBrains Rider enables external-source debugging, which means that when you step into the library code it will be automatically decompiled and the debugger will move the execution point there. If you want the debugger to ignore the library code, you can disable external-source debugging —clear Enable external source debug on the Build, Execution, Deployment \| Debugger page of JetBrains Rider settings `Ctrl+Alt+S`.
	Smart Step Into `Shift+F7`	If the current line contains several nested calls, JetBrains Rider lets you choose a call to step into. Consider the following code line: Console.WriteLine(Foo(Bar("input") + Baz("input"))); The line contains several calls and if you use Step Into, the debugger will first step into the implementation of `Bar()`, then into the implementation of `Baz()` and so on. Methods decorated with the [DebuggerStepThrough] attribute are not suggested as stepping targets. If you want to choose which of the calls should be stepped into, for example, `Bar()`, you can use Smart Step Into `Shift+F7`: When you choose the function to step into, the debugger will set the execution pointer at the first statement of the selected function. The selector also shows you which of the calls were already executed and allows you to execute these calls again. You can enable the 'smart step into' behavior when you invoke Step Into `F7` in a line that contains multiple method calls. To do so, select Always do smart step into on the Build, Execution, Deployment \| Debugger \| Stepping settings page `Ctrl+Alt+S`.
	Step Out `Shift+F8`	Click this button to have the debugger step out of the current method, to the line executed right after it.
	Run to Cursor `Alt+F9`	Click this button to resume program execution and pause until the execution point reaches the line at the current cursor location in the editor. No breakpoint is required. Actually, there is a temporary breakpoint set for the current line at the caret, which is removed once program execution is paused. Thus, if the caret is positioned at the line which has already been executed, the program will be just resumed for further execution, because there is no way to roll back to previous breakpoints. This action is especially useful when you have stepped deep into the methods sequence and need to step out of several methods at once. If there are breakpoints set for the lines that should be executed before bringing you to the specified line, the debugger will pause at the first encountered breakpoint. You can also hover over the target statement and then pick the corresponding action:
	Run to Cursor Non-Stop `Ctrl+Alt+F9`	If there are breakpoints between the current execution point and the target statement, you can force the debugger to skip these breakpoints with the Run to Cursor Non-Stop command `Ctrl+Alt+F9`.
	Evaluate Expression `Alt+F8`	Click this button to evaluate expressions.

Last modified: 04 November 2024