DTWAIN_IsOrientationSupported

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The DTWAIN_IsOrientationSupported function checks if a Source supports setting the orientation of an acquired image.

DTWAIN_BOOL DTWAIN_IsOrientationSupported (

DTWAIN_SOURCE	Source,
DTWAIN_LONG	Orientation );

Parameters

Source

Specifies an open TWAIN Source.

Orientation

Specifies orientation to test, or DTWAIN_ANYSUPPORT

Return Values

If setting the page orientation is supported for the Source, TRUE is returned. Otherwise FALSE is returned.

Comments

The DTWAIN_IsOrientationSupported function takes the open Source Source, and checks to see if the orientation setting Orientation is supported. The Orientation value can be any one of the Orientation Constants. If Orientation is DTWAIN_ANYSUPPORT, DTWAIN_IsOrientationSupported returns whether the Source supports any orientation

TWAIN State Transitions

The source must be opened in State 4

Prerequisite Function Call(s)

DTWAIN_SysInitialize

DTWAIN Source Selection Function