L_TwainGetTransferOptions

Summary

Gets current transfer options for the selected TWAIN source.

Syntax

L_LTTWN_API L_INT L_TwainGetTransferOptions(hSession, pTransferOpts, uStructSize)

Parameters

HTWAINSESSION hSession

Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession or L_TwainInitSession2 function.

pTRANSFEROPTIONS pTransferOpts

Pointer to the TRANSFEROPTIONS structure to be updated with the current transfer options.

L_UINT uStructSize

Size in bytes, of the structure pointed to by pTransferOpts, for versioning. Use sizeof(TRANSFEROPTIONS).

Returns

Comments

To set transfer options for the selected TWAIN driver, call the L_TwainSetTransferOptions function.

This function should be called after calling the L_TwainStartCapsNeg function and before calling the L_TwainEndCapsNeg function.

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

• L_TwainSetTransferOptions
• L_TwainGetSupportedTransferMode
• L_TwainSetResolution
• L_TwainGetResolution
• L_TwainSetImageFrame
• L_TwainGetImageFrame
• L_TwainSetImageUnit
• L_TwainGetImageUnit
• L_TwainSetImageBitsPerPixel
• L_TwainGetImageBitsPerPixel
• L_TwainSetImageEffects
• L_TwainGetImageEffects
• L_TwainSetAcquirePageOptions
• L_TwainGetAcquirePageOptions
• L_TwainSetRGBResponse
• L_TwainShowProgress
• L_TwainEnableDuplex
• L_TwainGetDuplexOptions
• L_TwainSetMaxXferCount
• L_TwainGetMaxXferCount

Topics

• Getting and Setting Capabilities
• TWAIN Functionality: Capability Functions

Example

For an example, refer to L_TwainSetTransferOptions.