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Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
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Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
L_FreeFilterInfo
#include "l_bitmap.h"
L_LTFIL_API L_INT L_FreeFilterInfo(pFilterInfo, uFilterCount, uFlags)
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pFILTERINFO pFilterInfo; |
/* pointer to FILTERINFO structure */ |
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L_UINT uFilterCount; |
/* number of elements in an array */ |
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L_UINT uFlags; |
/* flags */ |
Frees all the filters information allocated by calling the L_GetFilterListInfo function; or frees the information of a specific filter obtained in pFilterInfo parameter by calling the L_GetFilterInfo function.
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Parameter |
Description |
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pFilterInfo |
Pointer to FILTERINFO structure to be freed. This parameter cannot be NULL. This pointer points either to an array of information for all filters obtained by L_GetFilterListInfo function; or points to information of a specific filter obtained by L_GetFilterInfo function. |
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uFilterCount |
Value that represents the number of elements of the pFilterInfo parameter. Possible values are: |
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Value |
Meaning |
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1 |
Free only the memory stored inside the pFilterInfo parameter obtained by the L_GetFilterInfo function. |
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> 1 |
Free the memory allocated in the array of information for all filters obtained in the ppFilterList parameter by calling L_GetFilterListInfo function. |
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uFlags |
Flags that indicate whether to free the memory stored inside the pFilterInfo parameter obtained by the L_GetFilterInfo; or free the memory allocated in the array of information for all filters obtained in the ppFilterList parameter by calling L_GetFilterListInfo function. Possible values are: |
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Value |
Meaning |
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0 |
Free the memory stored inside the pFilterInfo parameter obtained by the L_GetFilterInfo. |
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FILTERINFO_FREEALL |
[0x0020] Free the memory allocated in the array of information for all filters obtained in the ppFilterList parameter by calling L_GetFilterListInfo function. |
Returns
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SUCCESS |
The function was successful. |
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< 1 |
An error occurred. Refer to Return Codes. |
Comments
To free the memory allocated in the array of information for all filters obtained in the ppFilterList parameter by calling L_GetFilterListInfo function, call this function as the following:
L_FreeFilterInfo(pFilterInfo, uFilterCount, FILTERINFO_FREEALL);
The number of elements in the array can be obtained in the pFilterCount parameter of the L_GetFilterListInfo function.
To free the memory stored inside the pFilterInfo parameter obtained by the L_GetFilterInfo, call this function as the following:
L_FreeFilterInfo(pFilterInfo, 1, 0);
Required DLLs and Libraries
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LTFIL For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Platforms
Win32, x64, Mobile.
See Also
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Functions: |
L_GetFilterListInfo, L_GetFilterInfo, L_SetFilterInfo, L_FileInfo |
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Topics: |
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Example
For an example, refer to L_GetFilterListInfo.
