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Where Can I Look Up Win32 Error Codes? 

This topic applies to:

Visual Studio Edition

Visual Basic

C#

C++

J#

Express

No

No

Native

No

Standard

No

No

Native

No

Pro/Team

No

No

Native

No

WINERROR.H in the INCLUDE directory of your default system installation contains the error code definitions for the Win32 API functions.

You can look up an error code by typing the code in the Watch window or the QuickWatch dialog box. For example:

0x80000004,hr

See Also

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