ANNENUMCALLBACK Function
#include "l_bitmap.h"
L_INT pEXT_CALLBACK YourFunction(hObject, pUserData)
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HANNOBJECT hObject; |
/* object handle */ |
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/* pointer to additional data */ |
Processes each annotation object from the L_AnnEnumerate function.
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Parameter |
Description |
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hObject |
Handle of the object to be processed. |
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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.) |
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Keep in mind that this is a void pointer, which must be cast to the appropriate data type within your callback function. |
Returns
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SUCCESS |
The function was successful. |
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< 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.
Example
For an example, refer to L_AnnEnumerate.