How to: Step Into a System Call

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If you have debugging symbols for the system code and Just My Code is not enabled, you can step into a system call just as you can any other call.

If you do not have debugging symbols for the system code, you can download them from the Microsoft public symbol servers by using the following procedure. Downloading from the Microsoft public symbol servers requires an Internet connection.

To step into a system call for which symbols are not loaded

  1. In the Modules window, right-click any module for which symbols are not loaded.

    You can tell which modules have symbols loaded by looking at the Symbol Status column.

  2. Point to Load Symbols From and click Microsoft Symbol Servers.

    1. If Just My Code was enabled, a dialog box appears. It states that Just My Code has now been disabled. This is necessary for stepping into system calls.

    2. The Downloading public symbols dialog box appears. It will disappear when downloading finishes.

  3. Use Step Into as you would for a regular call.

See Also

Concepts

Code Stepping Overview

Execution Control