The following table lists the instruction's hexadecimal and Microsoft Intermediate Language (MSIL) assembly format, along with a brief reference summary:

01	break	inform a debugger that a breakpoint has been reached.

No evaluation stack behaviors are performed by this operation.

The break instruction is for debugging support. It signals the CLI to inform the debugger that a break point has been tripped. It has no other effect on the interpreter state.

The break instruction has the smallest possible instruction size enabling code patching with a break point and generating minimal disturbance to the surrounding code.

The break instruction can trap to a debugger, do nothing, or raise a security exception. The exact behavior is implementation-defined.

The following ILGenerator.Emit(OpCode) method overload can use the break opcode:

• ILGenerator.Emit(OpCode)

Namespace: System.Reflection.Emit
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0, 4.0.0.0