#include "ltwrappr.h"
virtual L_UINT LBaseFile::RedirectReadCallBack(FD, pBuf, nCount)
L_INT FD; |
the file to be read |
L_CHAR * pBuf; |
address of buffer for read data |
L_INT nCount; |
number of bytes |
Replaces the normal LEADTOOLS function for reading a file.
Parameter |
Description |
FD |
The file to be read. The file handle is returned by the RedirectOpenCallBack function. |
pBuf |
Address of a buffer that is to receive the data read from the file. |
nCount |
The number of bytes to be read from the file. |
>0 |
The number of bytes that the function read from the file. |
-1 |
The function failed. |
Override this function to replace the normal LEADTOOLS function for reading a file.
The Redirect input / output functions cannot be used in combination with LFile::FeedLoad, LFile::StartFeedLoad, LFile::StopFeedLoad, LMemoryFile::Load, LMemoryFile::LoadMemory, LMemoryFile::LoadMemoryTile, and LMemoryFile::Save.
Note: |
The Redirect input / output functions do not support Kodak PhotoCD (PCD) or FlashPix (FPX) files. |
Required DLLs and Libraries
LTKRN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Raster .NET | C API | C++ Class Library | JavaScript HTML5
Document .NET | C API | C++ Class Library | JavaScript HTML5
Medical .NET | C API | C++ Class Library | JavaScript HTML5
Medical Web Viewer .NET
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