Gets the current image unit value used when transferring images from the current TWAIN source.
#include "ltwrappr.h"
L_INT LTwain::GetImageUnit (pnUnit)
Pointer to a variable to be updated with the current image unit value. For more information on possible values, refer to the TWAIN specification.
| Value | Meaning | 
|---|---|
| SUCCESS | The function was successful. | 
| < 1 | An error occurred. Refer to Return Codes. | 
This function gets the value of the image unit capability ICAP_UNITS. For more information on this capability, refer to the TWAIN specification.
To set the image unit capability value, call the LTwain::SetImageUnit function.
For an example, refer to LTwain::SetImageUnit.