GdPictureImaging.TwainSetAutomaticRotation Method

If this option is available on opened source, try to enable or disable the automatic rotation of image capability.

public Boolean TwainSetAutomaticRotation(
    Boolean AutoRotate
);

Visual Basic

Public Function TwainSetAutomaticRotation(
    ByVal AutoRotate As Boolean
) As Boolean

Parameters

Parameters	Description
AutoRotate	True to enable automatic rotation, else False.

Returns

TRUE if successful, FALSE otherwise -> Use TwainGetLastResultCode() and TwainGetLastConditionCode() functions for diagnosing the error.

Remarks

Before using this function check that the TWAIN state is TWAIN_SOURCE_OPEN (4)

To get the TWAIN state, use the TwainGetState() function.

There are no criteria for how this automatic rotation is determined. A Source may use a field of text, or some distinguishing non-text field, such as a barcode or a logo, or it may rely on form recognition to help rotate the document.