L_TwainInitSession
#include "lttwn.h"
L_LTTWN_API L_INT L_TwainInitSession (phSession, pAppData)
pHTWAINSESSION phSession; |
/* pointer to a TWAIN session handle */ |
pAPPLICATIONDATA pAppData; |
/* pointer to a structure */ |
Initializes the TWAIN session.
Parameter |
Description |
phSession |
Pointer to a TWAIN session handle. This handle is needed to acquire pages from the TWAIN source, and work with template files, containers, capabilities, and properties. |
pAppData |
Pointer to an APPLICATIONDATA structure. This structure will have the handle of the parent window in addition to other data about the application. |
Returns
SUCCESS |
The function was successful. |
! = SUCCESS |
An error occurred. Refer to Return Codes. |
Comments
L_TwainInitSession must be called before calling any other LEADTOOLS TWAIN toolkit functions.
When the handle to the TWAIN session is no longer needed, it should be freed by calling L_TwainEndSession. For every call to L_TwainInitSession there must be a call to L_TwainEndSession.
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. |
See Also
Functions: |
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Topics: |
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Example
For an example, refer to L_IsTwainAvailable.