ERROR_INVALID_HOOK_FILTER - 1426 (0x592)

Technical Meaning

The error code ERROR_INVALID_HOOK_FILTER indicates that a hook procedure was called with an invalid filter type. This is a specific technical mechanism related to the Windows API and its behavior.

Error Details

When this error occurs, it signifies that the system encountered an attempt to use a hook procedure with a filter type that is not supported or valid within the context of the operation being performed. Hook procedures are used for intercepting and modifying function calls in the Windows operating system.

Usage Context

This error typically arises when a developer attempts to register a hook procedure using an invalid filter type, such as passing a value that does not correspond to any supported hook filter type.

Developer Interpretation

Developers should ensure that they are correctly specifying the filter type when registering hook procedures. The valid filter types include WH_CALLWNDPROC, WH_CBT, and others, each serving specific purposes in the Windows API. Incorrectly specifying a filter type can lead to this error.

Related Errors

• ERROR_INVALID_PARAMETER
• ERROR_HOOK_NOT_INSTALLED

FAQ

Q: What does ERROR_INVALID_HOOK_FILTER mean?

A: It indicates that an invalid filter type was used in a hook procedure registration.

Q: How can I resolve this error?

A: Ensure that the correct filter type is specified when registering your hook procedures. Refer to the Windows API documentation for valid filter types and their usage.

Summary

The ERROR_INVALID_HOOK_FILTER error code is specific to invalid filter types used in hook procedure registrations within the Windows API. Developers must ensure they are using the appropriate filter types to avoid this error.