ERROR_INVALID_LB_MESSAGE - 1432 (0x598)
Invalid message for single-selection list box.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_INVALID_LB_MESSAGE error code indicates that an invalid message was passed to a single-selection list box control. This typically occurs when the application attempts to send a message that is not valid for the specified list box.
Error Details
- Error Name: ERROR_INVALID_LB_MESSAGE
- Numeric Code: 1432 (0x598)
- Short Description: Invalid message for single-selection list box.
This error suggests that there was an attempt to use a message that is not recognized or appropriate by the list box control. The specific message in question may be invalid, incorrect, or unsupported by the control's message queue.
Usage Context
The ERROR_INVALID_LB_MESSAGE can occur when an application attempts to interact with a single-selection list box using a message that is not valid for that control. This could happen due to several reasons such as sending a message intended for another type of control or passing incorrect parameters.
Developer Interpretation
Developers should interpret this error code as indicating a problem with the message being sent to the list box control. The application must ensure that it is using valid messages appropriate for single-selection list boxes and that these messages are correctly formatted according to the Windows API documentation.
Related Errors
ERROR_INVALID_PARAMETERERROR_INVALID_DATAERROR_MESSAGE_NOT_FOUND
These errors may occur in similar contexts where invalid data or parameters are passed, leading to incorrect behavior or failure of operations involving list boxes.
FAQ
Q: What does the ERROR_INVALID_LB_MESSAGE error mean?
A: It indicates that an invalid message was sent to a single-selection list box control. Ensure that you are using valid messages appropriate for this type of control.
Q: How can I resolve this issue?
A: Verify that your application is sending the correct and valid messages to the list box control as per the Windows API documentation.
Summary
The ERROR_INVALID_LB_MESSAGE error code highlights a problem with message validation for single-selection list boxes. Developers should ensure they are using appropriate messages and parameters when interacting with these controls to avoid this issue.