Starts the process of getting and setting TWAIN capabilities.
L_LTTWN_API L_INT L_TwainStartCapsNeg (hSession)
Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession or L_TwainInitSession2 function.
|SUCCESS||The function was successful.|
|! = SUCCESS||An error occurred. Refer to Return Codes.|
This function must be called before calling the following functions:
For an example, refer to L_TwainAcquire.
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms