How to set conditional breakpoints in Visual Studio

Question

Is there an easy way to set conditional breakpoints in Visual Studio   If I want to hit a breakpoint only when the value of a variable becomes something  how can I do it

User · Answer

Create a conditional function breakpoint:

In the Breakpoints window, click New to create a new breakpoint.
On the Function tab, type Reverse for Function. Type 1 for Line, type 1 for Character, and then set Language to Basic.
Click Condition and make sure that the Condition checkbox is selected. Type instr.length > 0 for Condition, make sure that the is true option is selected, and then click OK.
In the New Breakpoint dialog box, click OK.
On the Debug menu, click Start.

User · Answer

Visual Studio provides lots of options for conditional breakpoints   To set any of these you    Set a breakpoint  Right-Click over the breakpoint  and in the popup menu you select an option that suites you     These options are as follows    You can set a condition  based on a code expression that you supply  select Condition from the popup menu   For instance  you can specify that foo    8 or some other expression  You can make breakpoints trigger after they have been hit a certain number of times   select Hit Count from the popup menu   This is a fun option to play with as you actually aren t limited to breaking on a certain hit count  but you have options for a few other scenarios as well  I ll leave it to you to explore the possibilities  You can Set filters on the Process ID  thread ID  and machine name  select Filter from the popup menu

User · Answer

Set a breakpoint as usual Right click on the breakpoint and select Condition You ll see a dialog that says  Breakpoint Condition  Put a condition in the field e g   i  5     The breakpoint will only get hit when i is 5

User · Answer

Create a breakpoint as you normally would  right click the red dot and select  condition

User · Answer

Set a breakpoint as usual  Right click it  Click Condition

User · Answer

If you came from Google  this answer might be what you are searching for   Click Debug gt  New BreakPoint  gt  Function Breakpoint   there choose the conditional Breakpoint

User · Answer

Writing the actual condition can be the tricky part  so I tend to   Set a regular breakpoint  Run the code until the breakpoint is hit for the first time  Use the Immediate Window  Debug   Windows   Immediate  to test your expression  Right-click the breakpoint  click Condition and paste in your expression    Advantages of using the Immediate window    It has IntelliSense  You can be sure that the variables in the expression are in scope when the expression is evaluated  You can be sure your expression returns true or false    This example breaks when the code is referring to a table with the name  Setting    table GetTableName   Contains  Setting

User · Answer

When you are using Express edition you can try this    if DEBUG     if  fooVariable    true           System Diagnostics Debugger Break     endif   if statement makes sure that in release build breakepoint will not be present

User · Answer

Set the breakpoint as you do normally  right click the break point and select condion option and sets your condition

User · Answer

On Visual Studio 6 0  Alt F9

User · Answer

Set a breakpoint as usual  Right-click on the breakpoint marker Click  Condition     Write a condition  you may use variable names Select either  Is True  or  Has Changed

User · Answer

Just another way of doing it   or if you are using express  add the condition in code   if yourCondition        System Diagnostics Debugger Break

User · Answer

Set breakpoint on the line Right clik on RED ball Chose conditioal breakpoint Setup condition

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