Assertion Failed Dialog Box
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
An assertion statement specifies a condition that you expect to hold true at some particular point in your program. If that condition does not hold true, the assertion fails, execution of your program is interrupted, and this dialog box appears.
| Click | To |
|---|---|
| Retry | Debug the assertion or get help on asserts. |
| Ignore | Ignore the assertion and continue running the program. |
| Abort | Halt execution of the program and end the debugging session. |