IG_TWAIN_ctrl

This function gets the value of a TWAIN control parameter.

Declaration:

	Copy Code
AT_ERRCOUNT ACCUAPI IG_TWAIN_ctrl_get( AT_MODE nParamId, LPVOID lpValue, DWORD dwValueSize );

Name	Type	Description
nParamId	AT_MODE	Control parameter Id. Can be one of the following values: IG_TW_CTRL_APP_NAME IG_TW_CTRL_IMAGE_FILE_NAME IG_TW_CTRL_AUDIO_FILE_NAME IG_TW_CTRL_SAVE_PAGES_SEPARATELY
lpValue	LPVOID	Pointer to a memory buffer that receives the control parameter value.
dwValueSize	DWORD	The size of memory allocated for lpValue pointer.

Name

Type

Description

nParamId

Control parameter Id. Can be one of the following values:

lpValue

LPVOID

Pointer to a memory buffer that receives the control parameter value.

dwValueSize

DWORD

The size of memory allocated for lpValue pointer.

Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.

This function does not process image pixels.