# UnrouteWinMsgToPanelCallback

int UnrouteWinMsgToPanelCallback (int panelHandle, unsigned int messageNumber);

## Purpose

Call this function to stop routing a Windows message you routed to your panel callback function with the RouteWinMsgToPanelCallback function.

Refer to the function help for RouteWinMsgToPanelCallback for more information.

## Parameters

Input
Name | Type | Description
panelHandle | integer | The specifier for a particular top–level panel that is currently in memory. This handle will have been returned by the LoadPanel, NewPanel, or DuplicatePanel function.
messageNumber | unsigned integer | Pass the Windows message you no longer want to receive in your panel callback function. Example: WM_ACTIVATEAPP
| Note You can pass WM_NULL to unroute all messages.

## Return Value

Name | Type | Description
status | integer | The status code that the function returns. 0 indicates success. A negative value indicates an error. This function may return a Programmer's Toolbox or UI Library error code. Call GetGeneralErrorString to obtain a text description of the error.