How to fix Win32 0x0000057E Error? ERROR_TLW_WITH_WSCHILD – Solved

Solved79 viewsWin32 Error Codes

How to fix Win32 0x0000057E Error? ERROR_TLW_WITH_WSCHILD – Solved

How to fix Win32 0x0000057E Error? ERROR_TLW_WITH_WSCHILD

Question is closed for new answers.
Fixodes Selected answer as best April 26, 2024
1

The error code 0x0000057E translates to ERROR_TLW_WITH_WSCHILD. This error occurs when you try to create a top-level window (TLW) that also has the child window (WSCHILD) style applied. These styles are mutually exclusive.

Here’s a breakdown of the issue and how to fix it:

Understanding the Error:

  • Top-Level Window (TLW): A TLW exists at the top of the window hierarchy and doesn’t have a parent window. It typically has a title bar and borders and can be moved independently on the screen.
  • Child Window (WSCHILD): A child window is subordinate to a parent window. It doesn’t have a title bar or borders by default and inherits some properties from its parent.

Why the Error Occurs:

A window cannot be both a top-level window and a child window simultaneously. Setting both the TLW and WSCHILD styles during window creation leads to this error.

Fixing the Error:

There are two main approaches to fix this error, depending on your intended window behavior:

  1. Create a Top-Level Window:

    • If you want a window that behaves independently with a title bar and borders, remove the WSCHILD style from your window creation code. This will ensure it’s created as a top-level window.
  2. Create a Child Window:

    • If you want the window to be subordinate to another window and inherit properties from its parent, remove the TLW style and ensure it has a parent window specified during creation. A child window typically doesn’t have a title bar or borders by default.

Here are some resources that might be helpful:

By following these steps and understanding the concept of top-level and child windows, you should be able to fix the ERROR_TLW_WITH_WSCHILD error and create your window with the desired functionality.

Fixodes Selected answer as best April 26, 2024
1