Chapter 9 X Property Library
© National Instruments Corporation 9-33 LabWindows/CVI Standard Libraries
UninstallXPropertyCallback
PropLibXErrType status = UninstallXPropertyCallback
(PropertyCallbackTypeX *callbackFunction);
Purpose
Uninstall a property callback function.
After a callback function is uninstalled, it is no longer called when properties change. All
property callback functions are automatically uninstalled when the program terminates.
Note: Although you cannot selectively uninstall certain properties or windows associated
with a callback function, you can reinstall a callback function with a new set of
windows and properties using InstallXPropertyCallback.
Parameters
Input callbackFunction PropertyCallbackTypeX* The function that was installed with
InstallXPropertyCallback.
Return Values
The return value indicates the success or failure status of the function call. A negative value
indicates an error. The following table shows status values.
NoXErr 0 The function was successful.
InvalidCallbackXErr -17 The function specified is not installed as a callback.
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