Lets you update a status bar or interrupt the calling functions operation.
An integer from 0 to 100 that indicates the completion percentage of the function that uses the callback.
A void pointer that you can use to access a variable or structure containing data that your callback function needs. This gives you a way to receive data indirectly from the function that uses this callback function. (This is the same pointer that you pass in the pUserData parameter of the calling function.)
Keep in mind that this is a void pointer, which must be cast to the appropriate data type within your callback function.
|SUCCESS||The function was successful.|
|< 1||An error occurred. Refer to Return Codes.|
This generalized callback function can be called by many different functions. If the callback function returns a failure, the calling function will terminate and return the same error that the callback returned. For a description of how the callback is used, refer to L_SetStatusCallBack.
For an example, refer to L_SetStatusCallBack.
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