References ▼
#include "ltwrappr.h"
L_INT LTwain::StopFeeder ();
Stop acquire images only from the feeder of the TWAIN source.
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
This function stops the process of acquiring images using one of the following functions:
In order to stop acquire images by calling the LTwain::Acquire function, call the LTwain::StopFeeder within the LTwain::BitmapCallBack function when its fired.
In order to stop acquire images by calling the LTwain::AcquireMulti or LTwain::FastAcquire, call the LTwain::StopFeeder within the LTwain::AcquireCallBack function when its fired.
If the TWAIN source has no feeder, then this function will fail and return an error code.
Required DLLs and Libraries
LTTWN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Functions: |
LTwain::Acquire, LTwain::AcquireList; LTwain::AcquireCallBack; LTwain::BitmapCallBack |
Topics: |
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class CMyTwainFeeder : public LTwain{public:L_INT BitmapCallBack(pBITMAPHANDLE pBitmap);HTWAINTEMPLATEFILE m_hFile;};L_INT CMyTwainFeeder::BitmapCallBack(pBITMAPHANDLE /*pBitmap*/){StopFeeder();return SUCCESS;}// initialize session and call this functionvoid TwainAcquire(pBITMAPHANDLE pBitmap, HWND /*hWnd*/){L_INT nRet;CMyTwainFeeder MyClass;// Show the Twain Select Source UInRet = MyClass.SelectSource (NULL);if (nRet != SUCCESS)MessageBox (NULL, TEXT("Error occurred while selecting the source."), TEXT("ERROR"), MB_OK);MyClass.EnableCallBack(TRUE);nRet = MyClass.Acquire ( pBitmap,sizeof(BITMAPHANDLE), LTWAIN_SHOW_USER_INTERFACE, NULL);if (nRet == SUCCESS)MessageBox(NULL, TEXT("The image acquisition process completed."), TEXT("Notice"), MB_OK);elseMessageBox(NULL, TEXT(" The image acquisition process failed!"), TEXT("Error"), MB_OK);}