ANNENUMCALLBACK

Summary

Processes each annotation object from the L_AnnEnumerate function.

Syntax

#include "l_bitmap.h"

L_INT pEXT_CALLBACK YourFunction(hObject, pUserData)

Parameters

HANNOBJECT hObject

Handle of the object to be processed.

L_VOID *pUserData

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 L_AnnEnumerate function.)

Keep in mind that this is a void pointer, which must be cast to the appropriate data type within your callback function.

Returns

Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.

Comments

The L_AnnEnumerate function calls your callback function as it gets the handle of each annotation object.

Required DLLs and Libraries

Example

For an example, refer to L_AnnEnumerate.

Help Version 22.0.2023.7.11
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LEADTOOLS Raster Imaging C API Help
Introduction
Version History
Getting Started
Files To Be Included With Your Application
Document Writers – Files To Be Included With Your Application
LEADTOOLS Raster Imaging Features
Quick Reference
Tutorials
Function References
Callback Functions
Summary of Features
Appendix
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.