#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. |
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
Your email has been sent to support! Someone should be in touch! If your matter is urgent please come back into chat.
Chat Hours:
Monday - Friday, 8:30am to 6pm ET
Thank you for your feedback!
Please fill out the form again to start a new chat.
All agents are currently offline.
Chat Hours:
Monday - Friday
8:30AM - 6PM EST
To contact us please fill out this form and we will contact you via email.