How to: Step out of Managed Code when Native Frames are Missing from the Call Stack Window
If your code has native frames that are invisible in the Call Stack window, stepping out of managed code can produce unexpected results. As a workaround, you can use a breakpoint instead of Step Out.
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To step out of managed code when native frames are missing from the call stack display
In the native code, set a location breakpoint after the call to managed code.
On the Debug menu, choose Continue.
When the managed call is completed, execution will stop at the breakpoint in native code.