LBaseFile::RedirectWriteCallBack
#include "ltwrappr.h"
virtual L_UINT LBaseFile::RedirectWriteCallBack(FD, pBuf, nCount)
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L_INT FD; |
/* the file to be written */ |
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/* address of a buffer that contains the data to be written */ | |
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L_INT nCount; |
/* number of bytes to be written */ |
Replaces the normal LEADTOOLS function for writing a file.
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Parameter |
Description |
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FD |
The file to be written. The file handle is returned by the RedirectOpenCallBack function. |
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pBuf |
Address of a buffer that contains data to be written to the file. |
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nCount |
The number of bytes to be written to the file. |
Returns
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>0 |
The number of bytes that the function wrote to the file. |
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-1 |
The function failed. |
Comments
Override this function to replace the normal LEADTOOLS function for writing a file.
The Redirect input / output functions cannot be used in combination with LFile::FeedLoad, LFile::StartFeedLoad, LFile::StopFeedLoad, LMemoryFile::LoadBitmap, LMemoryFile::LoadMemory, and LMemoryFile::SaveBitmap.
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Note: |
The Redirect input / output functions do not support Kodak PhotoCD (PCD), FlashPix (FPX), or Microsoft FAX (AWD) files. |
Required DLLs and Libraries
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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. |
See Also
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Functions: |
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Topics: |
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Example
For an example, refer to LFile::StartFeedLoad.