# CmtUninstallTSQCallback

int CmtUninstallTSQCallback (int queueHandle, int callbackID);

## Purpose

Uninstalls a callback that you registered with CmtInstallTSQCallback.

You are not required to uninstall callbacks before discarding a thread safe queue.

## Parameters

Input
Name | Type | Description
queueHandle | integer | The handle you obtained from CmtNewTSQ to identify the thread safe queue.
callbackID | integer | The callbackID that you obtained from CmtInstallTSQCallback.

## Return Value

Name | Type | Description
CmtStatus | integer | The CmtStatus code that the function call returns. This function returns 0 to indicate success and negative values to indicate failure. Pass the CmtStatus code to CmtGetErrorMessage to get a description of the error code.