See Also Examples Applies To
Returns the pixel bit depths for the Current value of PixelType. For example, when using TwainSetCurrentPixelType(TWPT_GRAY), this capability specifies whether this is 8-bit gray or 4-bit gray.
Syntax
object.TwainGetCurrentBitDepth ()
The TwainGetCurrentBitDepth syntax has these parts:
| Part | Description |
| object | Required. An object expression that evaluates to an object in the Applies To list. |
Returns
Long. If success: bitdepth value. Else 0 if fail -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() functions for diagnosing the error.
Remarks
Only available with 1bpp image (PixelType == TWPT_BW)
Before using this function check that the TWAIN state is >= 4 (TWAIN_SOURCE_OPEN)
To get the TWAIN state, use the TwainGetState() function.
Category
TWAIN Functions