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GdPictureImaging.TwainIsAutomaticRotationAvailable Method
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Asks to the opened source if she can support the Automatic rotation of images capability. 

This capability depends on intelligent features within the Source to automatically rotate the image to the correct position.

C#
public Boolean TwainIsAutomaticRotationAvailable();
Visual Basic
Public Function TwainIsAutomaticRotationAvailable() As Boolean
Returns

TRUE if support the Automatic rotation, 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.

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